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  • 04:28 Compound Inequalities 3

    Compound Inequalities 3

    623 views / 0 likes - added

    u10_l3_t1_we3 Compound Inequalities 3 More free lessons at: http://www.khanacademy.org/video?v=cvB8b4AACyE Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:41 Compound Inequalities 4

    Compound Inequalities 4

    465 views / 0 likes - added

    u10_l3_t1_we4 Compound Inequalities 4 More free lessons at: http://www.khanacademy.org/video?v=ZF_cZ-GX9PI Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 03:23 Absolute Value Equations Example 1

    Absolute Value Equations Example 1

    455 views / 0 likes - added

    u10_l3_t2_we1 Absolute Value Equations More free lessons at: http://www.khanacademy.org/video?v=LRlVWC0FMQc Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:39 Absolute Value Inequalities Example 2

    Absolute Value Inequalities Example 2

    439 views / 0 likes - added

    u10_l3_t2_we2 Absolute Value Inequalities More free lessons at: http://www.khanacademy.org/video?v=YKQLZOq4HTA Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:42 Evaluating exponential expressions

    Evaluating exponential expressions

    565 views / 0 likes - added

    u11_l1_t1_we1 Evaluating exponential expressions More free lessons at: http://www.khanacademy.org/video?v=0uCslW40VHQ Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 03:02 Evaluating exponential expressions 2

    Evaluating exponential expressions 2

    477 views / 0 likes - added

    u11_l1_t1_we2 Evaluating exponential expressions 2 More free lessons at: http://www.khanacademy.org/video?v=NEaLgGi4Vh4 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:19 Negative and Positive Exponents

    Negative and Positive Exponents

    561 views / 0 likes - added

    u11 l1 t1 we3 Negative and Positive Exponents More free lessons at: http://www.khanacademy.org/video?v=JUGmviJC_pk Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:36 Exponent Properties 1

    Exponent Properties 1

    616 views / 0 likes - added

    u11_l1_t2_we1 Exponent Properties 1 More free lessons at: http://www.khanacademy.org/video?v=-TpiL4J_yUA Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:12 Exponent Properties 2

    Exponent Properties 2

    469 views / 0 likes - added

    u11_l1_t2_we2 Exponent Properties 2 More free lessons at: http://www.khanacademy.org/video?v=tvj42WdKlH4 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:35 Exponent Properties 3

    Exponent Properties 3

    467 views / 0 likes - added

    u11_l1_t2_we3 Exponent Properties 3 More free lessons at: http://www.khanacademy.org/video?v=Of8ezQj1hRk Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 03:07 Exponent Properties 4

    Exponent Properties 4

    498 views / 0 likes - added

    u11_l1_t2_we4 Exponent Properties 4 More free lessons at: http://www.khanacademy.org/video?v=X6zD3SoN3iY Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:51 Exponent Properties 5

    Exponent Properties 5

    467 views / 0 likes - added

    u11_l1_t3_we1 Exponent Properties 5 More free lessons at: http://www.khanacademy.org/video?v=4jhG7g5qgO0 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:20 Exponent Properties 6

    Exponent Properties 6

    486 views / 1 likes - added

    u11_l1_t3_we2 Exponent Properties 6 More free lessons at: http://www.khanacademy.org/video?v=BwmTemng9lc Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:51 Exponent Properties 7

    Exponent Properties 7

    503 views / 0 likes - added

    u11_l1_t3_we3 Exponent Properties 7 More free lessons at: http://www.khanacademy.org/video?v=IF-8VOiEOes Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:12 Scientific Notation I

    Scientific Notation I

    631 views / 0 likes - added

    u11_l1_t4_we1 Scientific Notation I More free lessons at: http://www.khanacademy.org/video?v=6phoVfGKKec Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:24 Scientific Notation Example 2

    Scientific Notation Example 2

    599 views / 1 likes - added

    u11_l1_t4_we2 Scientific Notation 2 More free lessons at: http://www.khanacademy.org/video?v=xxAFh-qHPPA Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:28 Scientific Notation 3 (new)

    Scientific Notation 3 (new)

    504 views / 0 likes - added

    u11_l1_t4_we3 Scientific Notation 3 More free lessons at: http://www.khanacademy.org/video?v=dD71fFNwVJw Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 07:35 Multiplying in Scientific Notation

    Multiplying in Scientific Notation

    625 views / 0 likes - added

    u11_l1_t4_we_int Multiplying in Scientific Notation More free lessons at: http://www.khanacademy.org/video?v=67jn5Zv-myg Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:36 Terms coefficients and exponents in a polynomial

    Terms coefficients and exponents in a polynomial

    484 views / 0 likes - added

    u11_l2_t1_we1 Terms coefficients and exponents in a polynomial More free lessons at: http://www.khanacademy.org/video?v=REiDXCN0lGU Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 01:09 Evaluating a polynomial at a given value

    Evaluating a polynomial at a given value

    562 views / 0 likes - added

    u11_l2_t1_we2 Evaluating a polynomial at a given value More free lessons at: http://www.khanacademy.org/video?v=03yq7XsErqo Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 03:37 Simply a polynomial

    Simply a polynomial

    438 views / 0 likes - added

    u11_l2_t1_we3 Simply a polynomial More free lessons at: http://www.khanacademy.org/video?v=vN0aL-_vIKM Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:10 Adding Polynomials

    Adding Polynomials

    605 views / 0 likes - added

    u11_l2_t2_we1 Adding Polynomials More free lessons at: http://www.khanacademy.org/video?v=Oe1PKI_6-38 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:07 Subtracting Polynomials

    Subtracting Polynomials

    602 views / 0 likes - added

    u11_l2_t2_we3 Subtracting Polynomials More free lessons at: http://www.khanacademy.org/video?v=5ZdxnFspyP8 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 01:05 Multiplying Monomials

    Multiplying Monomials

    466 views / 0 likes - added

    u11_l2_t3_we1 Multiplying Monomials More free lessons at: http://www.khanacademy.org/video?v=ssY1dFl7d30 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:43 Multiplying Monomials by Polynomials

    Multiplying Monomials by Polynomials

    568 views / 0 likes - added

    u11_l2_t3_we2 Multiplying Monomials by Polynomials More free lessons at: http://www.khanacademy.org/video?v=pD2-H15ucNE Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:48 Multiplying Binomials

    Multiplying Binomials

    519 views / 0 likes - added

    u11_l2_t3_we3 Multiplying Binomials More free lessons at: http://www.khanacademy.org/video?v=ZMLFfTX615w Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:46 Multiplying Polynomials

    Multiplying Polynomials

    558 views / 0 likes - added

    u11_l2_t3_we4 Multiplying Polynomials More free lessons at: http://www.khanacademy.org/video?v=yJzLYa-_Y1k Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:30 Special Polynomials Products 1

    Special Polynomials Products 1

    564 views / 0 likes - added

    u11_l2_t4_we1 Special Polynomials Products 1 More free lessons at: http://www.khanacademy.org/video?v=h6HmHjkA034 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 03:38 Square a Binomial

    Square a Binomial

    574 views / 0 likes - added

    u11_l2_t4_we2 Square a Binomial More free lessons at: http://www.khanacademy.org/video?v=xjkbR7Gjgjs Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:45 Polynomial divided by monomial

    Polynomial divided by monomial

    429 views / 0 likes - added

    u11_l2_t5_we2 Polynomial divided by monomial More free lessons at: http://www.khanacademy.org/video?v=UquFdMg6Z_U Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 00:56 Dividing Monomials

    Dividing Monomials

    528 views / 0 likes - added

    u11_l2_t5_we1 Dividing Monomials More free lessons at: http://www.khanacademy.org/video?v=4Eax48gDg9g Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 03:20 Dividing polynomials 1

    Dividing polynomials 1

    579 views / 0 likes - added

    u11_l2_t6_we1 Dividing polynomials 1 More free lessons at: http://www.khanacademy.org/video?v=8Wxw9bpKEGQ Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 06:23 Dividing polynomials with remainders

    Dividing polynomials with remainders

    502 views / 0 likes - added

    u11_l2_t6_we2 Dividing polynomials with remainders More free lessons at: http://www.khanacademy.org/video?v=pLCmwHsDYqo Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 03:59 Evaluating an expression with multiple variables

    Evaluating an expression with multiple variables

    445 views / 0 likes - added

    u11_l3_t1_we1 Evaluating an expression with multiple variables

  • 03:06 Simplifying an expression with multiple variables

    Simplifying an expression with multiple variables

    464 views / 0 likes - added

    u11_l3_t1_we2 Simplifying an expression with multiple variables

  • 02:10 Subtracting polynomials with multiple variables

    Subtracting polynomials with multiple variables

    495 views / 0 likes - added

    u11_l3_t2_we2 Subtracting polynomials with multiple variables More free lessons at: http://www.khanacademy.org/video?v=AqMT_zB9rP8 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:34 More multiplying polynomials

    More multiplying polynomials

    558 views / 0 likes - added

    u11_l3_t2_we3 More multiplying polynomials More free lessons at: http://www.khanacademy.org/video?v=D6mivA_8L8U Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 03:14 Dividing multivariable polynomial with monomial

    Dividing multivariable polynomial with monomial

    626 views / 0 likes - added

    u11_l3_t2_we4 Dividing multivariable polynomial with monomial More free lessons at: http://www.khanacademy.org/video?v=Yu00YJ3tAlo Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 03:13 Monomial Greatest Common Factor

    Monomial Greatest Common Factor

    551 views / 0 likes - added

    u12_l1_t1_we1 Monomial Greatest Common Factor More free lessons at: http://www.khanacademy.org/video?v=_01wqwsb66E Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:12 Factoring trinomials with a leading 1 coefficient

    Factoring trinomials with a leading 1 coefficient

    516 views / 0 likes - added

    u12_l2_t1_we1 Factoring trinomials with a leading 1 coefficient More free lessons at: http://www.khanacademy.org/video?v=nOZTe8jU2g4 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:02 Factoring trinomials with a common factor

    Factoring trinomials with a common factor

    600 views / 0 likes - added

    u12_l2_t1_we2 Factoring trinomials with a common factor More free lessons at: http://www.khanacademy.org/video?v=GMoqg_s4Dl4 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:39 Factoring trinomials with a non-1 leading coefficient by grouping

    Factoring trinomials with a non-1 leading coefficient by grouping

    486 views / 0 likes - added

    u12_l2_t1_we3 Factoring trinomials with a non-1 leading coefficient by grouping More free lessons at: http://www.khanacademy.org/video?v=ISPxJ6JXT8o Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:54 Factoring perfect square trinomials

    Factoring perfect square trinomials

    667 views / 0 likes - added

    u12_l2_t2_we1 Factoring perfect square trinomials More free lessons at: http://www.khanacademy.org/video?v=liRNTieIU_k Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 01:49 Factoring difference of squares

    Factoring difference of squares

    579 views / 0 likes - added

    u12_l2_t2_we2 Factoring difference of squares More free lessons at: http://www.khanacademy.org/video?v=tvnOWIoeeaU Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:46 Factoring Sum of Cubes

    Factoring Sum of Cubes

    533 views / 0 likes - added

    u12_l2_t3_we1 Factoring Sum of Cubes More free lessons at: http://www.khanacademy.org/video?v=Touv2APcBRw Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:13 Difference of Cubes Factoring

    Difference of Cubes Factoring

    591 views / 0 likes - added

    u12 l2 t3 we2 Difference of Cubes Factoring More free lessons at: http://www.khanacademy.org/video?v=CxcP4ylUP5w

  • 08:22 Applications Problem Factoring Quadratics

    Applications Problem Factoring Quadratics

    570 views / 0 likes - added

    u12_l3_t1_we3 Applications Problem Factoring Quadratics More free lessons at: http://www.khanacademy.org/video?v=STcsaKuW-24 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:29 Plotting (x,y) relationships

    Plotting (x,y) relationships

    491 views / 0 likes - added

    u13_l1_t2_we1 Plotting (x,y) relationships t2 More free lessons at: http://www.khanacademy.org/video?v=86NwKBcOlow Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:24 Quadrants of Coordinate Plane

    Quadrants of Coordinate Plane

    700 views / 0 likes - added

    u13_l1_t1_we2 Quadrants of Coordinate Plane More free lessons at: http://www.khanacademy.org/video?v=1op92ojA6q0 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 03:58 Graphing using X and Y intercepts

    Graphing using X and Y intercepts

    496 views / 0 likes - added

    u13_l1_t2_we2 Graphing using X and Y intercepts More free lessons at: http://www.khanacademy.org/video?v=6m642-2D3V4 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:06 Ordered Pair Solutions of Equations

    Ordered Pair Solutions of Equations

    510 views / 0 likes - added

    u13 l1 t2 we3 Ordered Pair Solutions of Equations More free lessons at: http://www.khanacademy.org/video?v=SSNA9gaAOVc

  • 05:22 Application problem with graph

    Application problem with graph

    552 views / 0 likes - added

    u13_l1_t2_we4 Application problem with graph More free lessons at: http://www.khanacademy.org/video?v=ljROszF_rqs Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:00 Graphical Slope of a Line

    Graphical Slope of a Line

    546 views / 0 likes - added

    u13_l2_t1_we1 Graphical Slope of a Line More free lessons at: http://www.khanacademy.org/video?v=81SseQCpGws Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 07:12 Slope of a Line 2

    Slope of a Line 2

    436 views / 0 likes - added

    u13_l2_t1_we2 Slope of a Line 2 More free lessons at: http://www.khanacademy.org/video?v=WkspBxrzuZo Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:05 Slope of a Line 3

    Slope of a Line 3

    495 views / 0 likes - added

    u13_l2_t1_we3 Slope of a Line 3 More free lessons at: http://www.khanacademy.org/video?v=CFSHq099Mx0 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 06:32 Hairier Slope of Line

    Hairier Slope of Line

    500 views / 0 likes - added

    u13 l2 t1 we int Hairier Slope of Line Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 03:46 Equation of a line 1

    Equation of a line 1

    552 views / 0 likes - added

    u13_l2_t2_we1 Equation of a line More free lessons at: http://www.khanacademy.org/video?v=AqFwKecNaTk Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 03:57 Equation of a line 2

    Equation of a line 2

    463 views / 0 likes - added

    u13_l2_t2_we2 Equation of a line 2 More free lessons at: http://www.khanacademy.org/video?v=MxiqyE2uMCo Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 06:42 Equation of a line 3

    Equation of a line 3

    487 views / 0 likes - added

    u13_l2_t2_we3 Equation of a line 3 More free lessons at: http://www.khanacademy.org/video?v=XMJ72mtMn4Y Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:31 Perpendicular Line Slope

    Perpendicular Line Slope

    509 views / 0 likes - added

    u13 l2 t3 we1 Perpendicular Line Slope More free lessons at: http://www.khanacademy.org/video?v=ndPq7gbin7A

  • 03:24 Equation of a Line hairier example

    Equation of a Line hairier example

    442 views / 0 likes - added

    u13 l2 t2 we INT Equation of a Line hairier example More free lessons at: http://www.khanacademy.org/video?v=k8EfLFvUI5U Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:24 Parallel Line Equation

    Parallel Line Equation

    473 views / 0 likes - added

    u13_l2_t3_we2 Parallel Line Equation More free lessons at: http://www.khanacademy.org/video?v=4Cmv7dUgggU Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 06:06 Graphing Inequalities 1

    Graphing Inequalities 1

    428 views / 0 likes - added

    u13_l2_t4_we1 Graphing Inequalities More free lessons at: http://www.khanacademy.org/video?v=2oGsLdAWxlk Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:20 Graphing Inequalities 2

    Graphing Inequalities 2

    436 views / 0 likes - added

    u13_l2_t4_we2 Graphing Inequalities 2 More free lessons at: http://www.khanacademy.org/video?v=-aTy1ED1m5I Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:08 Plot ordered pairs

    Plot ordered pairs

    465 views / 0 likes - added

    u13_l1_t1_we1 Plot ordered pairs More free lessons at: http://www.khanacademy.org/video?v=5ctsUsvIp8w Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 06:08 2003 AIME II Problem 1

    2003 AIME II Problem 1

    572 views / 0 likes - added

    2003 AIME II Problem 1 More free lessons at: http://www.khanacademy.org/video?v=JPQ8cfOsYxo

  • 02:58 2003 AIME II Problem 3

    2003 AIME II Problem 3

    507 views / 0 likes - added

    2003 AIME II Problem 3 More free lessons at: http://www.khanacademy.org/video?v=JU67TL2L1CA

  • 14:15 2003 AIME II Problem 4 (part 1)

    2003 AIME II Problem 4 (part 1)

    676 views / 0 likes - added

    2003 AIME II Problem 4 (part 1) More free lessons at: http://www.khanacademy.org/video?v=gXnHodHNusg

  • 10:54 Sum of factors 2

    Sum of factors 2

    423 views / 0 likes - added

    Seeing the "formula" in the last method More free lessons at: http://www.khanacademy.org/video?v=tbQ_7zvRoN4

  • 08:14 2003 AIME II Problem 5

    2003 AIME II Problem 5

    554 views / 0 likes - added

    Volume of a wedge cut from a cylindrical log More free lessons at: http://www.khanacademy.org/video?v=EzE53aPGbrQ

  • 02:27 2003 AIME II Problem 5 Minor Correction

    2003 AIME II Problem 5 Minor Correction

    652 views / 0 likes - added

    2003 AIME II Problem 5 Minor Correction More free lessons at: http://www.khanacademy.org/video?v=yXg5CYuCcU4

  • 17:42 2003 AIME II Problem 6

    2003 AIME II Problem 6

    578 views / 0 likes - added

    Finding area of a skewed star More free lessons at: http://www.khanacademy.org/video?v=l9j26EOvTYc

  • 09:06 Area Circumradius Formula Proof

    Area Circumradius Formula Proof

    632 views / 0 likes - added

    Proof of the formula relating the area of a triangle to its circumradius More free lessons at: http://www.khanacademy.org/video?v=x_aax6LSRtE

  • 12:08 2003 AIME II Problem 8

    2003 AIME II Problem 8

    470 views / 0 likes - added

    Sequence from the product of 2 arithmetic sequences More free lessons at: http://www.khanacademy.org/video?v=ZFN63oTeYzc

  • 14:47 Sum of Polynomial Roots (Proof)

    Sum of Polynomial Roots (Proof)

    466 views / 0 likes - added

    Sum of Polynomial Roots More free lessons at: http://www.khanacademy.org/video?v=9eWyvWq9CCs

  • 14:26 Sum of Squares of Polynomial Roots

    Sum of Squares of Polynomial Roots

    529 views / 0 likes - added

    Sum of Squares of Polynomial Roots (Newton Sums) More free lessons at: http://www.khanacademy.org/video?v=bbeWLtarzrE

  • 09:56 2003 AIME II Problem 9

    2003 AIME II Problem 9

    471 views / 0 likes - added

    Sum of polynomial evaluated at roots of another polynomial More free lessons at: http://www.khanacademy.org/video?v=ZSESJ8TeGSI

  • 09:36 2003 AIME II Problem 12

    2003 AIME II Problem 12

    480 views / 0 likes - added

    Minimum members in a committee More free lessons at: http://www.khanacademy.org/video?v=KD46pC_KFWk

  • 16:13 2003 AIME II Problem 13

    2003 AIME II Problem 13

    567 views / 0 likes - added

    Probability of moving to a vertex More free lessons at: http://www.khanacademy.org/video?v=vKMNRcctwL4

  • 13:25 2003 AIME II Problem 10

    2003 AIME II Problem 10

    434 views / 0 likes - added

    perfect squares integers square root More free lessons at: http://www.khanacademy.org/video?v=Hh3iY4tdkGI

  • 16:36 2003 AIME II Problem 11.avi

    2003 AIME II Problem 11.avi

    599 views / 0 likes - added

    A little trigonometry to figure out the area of a triangle More free lessons at: http://www.khanacademy.org/video?v=smtrrefmC40

  • 18:18 2003 AIME II Problem 14

    2003 AIME II Problem 14

    586 views / 0 likes - added

    Trigonometry and geometry to find the area of an equilateral (but not regular) hexagon More free lessons at: http://www.khanacademy.org/video?v=Ec-BKdC8vOo

  • 11:54 2003 AIME II Problem 15 (part 1)

    2003 AIME II Problem 15 (part 1)

    584 views / 0 likes - added

    Finding the sum of the absolute value of the imaginary parts of the square of the roots of a crazy polynomial More free lessons at: http://www.khanacademy.org/video?v=2eLAEMRrR7Q

  • 11:33 2003 AIME II Problem 15 (part 2)

    2003 AIME II Problem 15 (part 2)

    491 views / 0 likes - added

    Finding the sum of the absolute value of the imaginary parts of the square of the roots of a crazy polynomial More free lessons at: http://www.khanacademy.org/video?v=TljVBB7gxbE

  • 09:32 2003 AIME II Problem 15 (part 3)

    2003 AIME II Problem 15 (part 3)

    642 views / 0 likes - added

    Finding the sum of the absolute value of the imaginary parts of the square of the roots of a crazy polynomial More free lessons at: http://www.khanacademy.org/video?v=JTpXK2mENH4

  • 15:14 Popular IIT JEE Trigonometry Problem 1

    IIT JEE Trigonometry Problem 1

    760 views / 0 likes - added

    2010 IIT JEE Paper I #29 Trigonometry problem More free lessons at: http://www.khanacademy.org/video?v=X7GT9JKoAbo

  • 10:26 Popular IIT JEE Perpendicular Planes (Part 1)

    IIT JEE Perpendicular Planes (Part 1)

    823 views / 1 likes - added

    2010 IIT JEE Paper 1 #30 normal vector and planes (Part 1) More free lessons at: http://www.khanacademy.org/video?v=2u535-HVJ_o

  • 08:05 IIT JEE Perpendicular Plane (part 2)

    IIT JEE Perpendicular Plane (part 2)

    674 views / 0 likes - added

    2010 IIT JEE Paper 1 #30 normal vector and planes (Part 2) More free lessons at: http://www.khanacademy.org/video?v=66pQLO--Ghk

  • 13:43 IIT JEE Complex Root Probability (part 1)

    IIT JEE Complex Root Probability (part 1)

    696 views / 0 likes - added

    2010 Paper 1 problem 31 Math (part 1) More free lessons at: http://www.khanacademy.org/video?v=bV_HSZ_W0nk

  • 08:24 Popular IIT JEE Complex Root Probability (part 2)

    IIT JEE Complex Root Probability (part 2)

    769 views / 0 likes - added

    2010 Paper 1 problem 31 Math (part 2).avi More free lessons at: http://www.khanacademy.org/video?v=S3KMyYYGuPE

  • 06:43 Popular IIT JEE Position Vectors

    IIT JEE Position Vectors

    786 views / 0 likes - added

    2010 IIT JEE Paper 1 problem 32 Position Vectors More free lessons at: http://www.khanacademy.org/video?v=GDXyGy5TjnI

  • 07:05 Popular IIT JEE Integral Limit

    IIT JEE Integral Limit

    755 views / 0 likes - added

    2010 IIT JEE Paper 1 #34 Integral Limit More free lessons at: http://www.khanacademy.org/video?v=pnwrNnZGVEw

  • 13:11 Popular IIT JEE Algebraic Manipulation

    IIT JEE Algebraic Manipulation

    726 views / 0 likes - added

    2010 Paper 1 problem 35 Algebraic Manipulation More free lessons at: http://www.khanacademy.org/video?v=zs5LM7dxyTo

  • 09:29 Popular IIT JEE Function Maxima

    IIT JEE Function Maxima

    740 views / 0 likes - added

    2010 IIT JEE Paper 1 problem 36 Function Maxima More free lessons at: http://www.khanacademy.org/video?v=2E_DB5VuAoo

  • 07:48 Popular IIT JEE Diameter Slope

    IIT JEE Diameter Slope

    750 views / 0 likes - added

    2010 IIT JEE Paper 1 problem 37 Diameter Slope More free lessons at: http://www.khanacademy.org/video?v=pdXcf5ZWHf0

  • 10:10 Popular IIT JEE Hairy Trig and Algebra (part 1)

    IIT JEE Hairy Trig and Algebra (part 1)

    702 views / 0 likes - added

    2010 Paper 1 problem 38 Hairy Trig and Algebra.avi More free lessons at: http://www.khanacademy.org/video?v=dOxXl_6BDQc

  • 09:54 IIT JEE Hairy Trig and Algebra (Part 2)

    IIT JEE Hairy Trig and Algebra (Part 2)

    682 views / 0 likes - added

    2010 IIT JEE Paper 1 #38 Hairy Trig and Algebra (Part 2) More free lessons at: http://www.khanacademy.org/video?v=6t9ogglXNIM

  • 06:28 IIT JEE Hairy Trig and Algebra (Part 3)

    IIT JEE Hairy Trig and Algebra (Part 3)

    667 views / 0 likes - added

    2010 IIT JEE Paper 1 #38 Hairy Trig and Algebra (Part 3) More free lessons at: http://www.khanacademy.org/video?v=KVRpXvrsSKM

  • 07:21 Popular IIT JEE Complex Numbers (part 1)

    IIT JEE Complex Numbers (part 1)

    795 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 39 Complex Numbers (part 1) More free lessons at: http://www.khanacademy.org/video?v=_5ei_I02huY

  • 07:26 Popular IIT JEE Complex Numbers (part 2)

    IIT JEE Complex Numbers (part 2)

    738 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 39 Complex Numbers (part 2) More free lessons at: http://www.khanacademy.org/video?v=pQwoBOpVoWw

  • 03:09 Popular IIT JEE Complex Numbers (part 3)

    IIT JEE Complex Numbers (part 3)

    709 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 39 Complex Numbers (part 3) More free lessons at: http://www.khanacademy.org/video?v=FwA_UZkI-JM

  • 14:00 Popular IIT JEE Differentiability and Boundedness

    IIT JEE Differentiability and Boundedness

    730 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 40 Differentiability and Boundedness More free lessons at: http://www.khanacademy.org/video?v=FIt1RNiCO6U

  • 13:44 Popular IIT JEE Integral with Binomial Expansion

    IIT JEE Integral with Binomial Expansion

    783 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 41 Integral with Binomial Expansion and Algebraic Long Division More free lessons at: http://www.khanacademy.org/video?v=1-5sTDLrcp4

  • 11:59 IIT JEE Symmetric and Skew-Symmetric Matrices

    IIT JEE Symmetric and Skew-Symmetric Matrices

    586 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 42 Symmetric and Skew-Symmetric Matrices More free lessons at: http://www.khanacademy.org/video?v=G6OoxGmJzuc

  • 09:19 IIT JEE Trace and Determinant

    IIT JEE Trace and Determinant

    523 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 43 Trace and Determinant More free lessons at: http://www.khanacademy.org/video?v=5S03uylNn-Q

  • 08:14 Popular IIT JEE Divisible Determinants

    IIT JEE Divisible Determinants

    765 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 44 Divisible Determinants 2 More free lessons at: http://www.khanacademy.org/video?v=9vlsBN3pFE0

  • 12:44 Popular IIT JEE Circle Hyperbola Intersection

    IIT JEE Circle Hyperbola Intersection

    785 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 46 Circle Hyperbola Intersection More free lessons at: http://www.khanacademy.org/video?v=6g3DPg2HqGw

  • 06:16 Popular IIT JEE Circle Hyperbola Common Tangent Part 1

    IIT JEE Circle Hyperbola Common Tangent Part 1

    753 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 45 Circle Hyperbola Common Tan More free lessons at: http://www.khanacademy.org/video?v=MhLfun2Vask

  • 10:45 Popular IIT JEE Circle Hyperbola Common Tangent Part 2

    IIT JEE Circle Hyperbola Common Tangent Part 2

    713 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 45 Circle Hyperbola Common Tangent Part 2 More free lessons at: http://www.khanacademy.org/video?v=0imeUgSxR10

  • 08:55 IIT JEE Circle Hyperbola Common Tangent Part 3

    IIT JEE Circle Hyperbola Common Tangent Part 3

    695 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 45 Circle Hyperbola Common Tangent Part 3 More free lessons at: http://www.khanacademy.org/video?v=RomnHMWSLoE

  • 10:36 IIT JEE Circle Hyperbola Common Tangent Part 4

    IIT JEE Circle Hyperbola Common Tangent Part 4

    694 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 45 Circle Hyperbola Common Tangent Part 4 More free lessons at: http://www.khanacademy.org/video?v=eGo8C2Jshzs

  • 12:17 Popular IIT JEE Circle Hyperbola Common Tangent Part 5

    IIT JEE Circle Hyperbola Common Tangent Part 5

    858 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 45 Circle Hyperbola Common Tangent Part 5 More free lessons at: http://www.khanacademy.org/video?v=rPoqpQcgNv4

  • 12:49 Popular IIT JEE Trigonometric Constraints

    IIT JEE Trigonometric Constraints

    815 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 47 Trigonometric Constraints More free lessons at: http://www.khanacademy.org/video?v=EjtjdJZ2x8w

  • 09:55 Popular IIT JEE Trigonometric Maximum

    IIT JEE Trigonometric Maximum

    761 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 48 Trigonometric Maximum More free lessons at: http://www.khanacademy.org/video?v=tzR9jUCSniQ

  • 14:25 Popular Vector Triple Product Expansion (very optional)

    Vector Triple Product Expansion (very optional)

    881 views / 0 likes - added

    A shortcut for having to evaluate the cross product of three vectors More free lessons at: http://www.khanacademy.org/video?v=b7JTVLc_aMk

  • 11:30 Popular IIT JEE Lagrange's Formula

    IIT JEE Lagrange's Formula

    809 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 49 Lagrange's Formula More free lessons at: http://www.khanacademy.org/video?v=rndex9FCIdo

  • 10:04 Popular Tangent Line Hyperbola Relationship (very optional)

    Tangent Line Hyperbola Relationship (very optional)

    1,199 views / 0 likes - added

    How a tangent line relates to a hyperbola. Might be useful for some competitive exams where there isn't time to derive (like we are doing in this video) More free lessons at: http://www.khanacademy.org/video?v=c_8QQbVQKU0

  • 09:58 Normal vector from plane equation

    Normal vector from plane equation

    674 views / 0 likes - added

    Figuring out a normal vector to a plane from its equation More free lessons at: http://www.khanacademy.org/video?v=gw-4wltP5tY

  • 12:12 Point distance to plane

    Point distance to plane

    557 views / 0 likes - added

    Distance between a point and a plane in three dimensions More free lessons at: http://www.khanacademy.org/video?v=7rIFO8hct9g

  • 14:45 Popular Distance Between Planes

    Distance Between Planes

    779 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 51 Distance Between Planes More free lessons at: http://www.khanacademy.org/video?v=v8plb6V8BQo

  • 12:58 Popular Complex Determinant Example

    Complex Determinant Example

    827 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 53 Complex Determinant More free lessons at: http://www.khanacademy.org/video?v=E7OkUomRq1Q

  • 14:18 Popular Series Sum Example

    Series Sum Example

    774 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 54 Series Sum More free lessons at: http://www.khanacademy.org/video?v=A6fbDssPeac

  • 11:03 Popular Trigonometric System Example

    Trigonometric System Example

    779 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 55 Trigonometric System More free lessons at: http://www.khanacademy.org/video?v=Y2ed-g8Lpdc

  • 12:59 Simple Differential Equation Example

    Simple Differential Equation Example

    625 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 56 Differential Equation More free lessons at: http://www.khanacademy.org/video?v=fqnPabGV6A4

  • 12:31 Popular Scale of Solar System

    Scale of Solar System

    754 views / 3 likes - added

    Scale of Solar System More free lessons at: http://www.khanacademy.org/video?v=GP53b__h4ew

  • 08:18 Scale of Distance to Closest Stars

    Scale of Distance to Closest Stars

    548 views / 0 likes - added

    Scale of Distance to Closest Stars More free lessons at: http://www.khanacademy.org/video?v=jEeJkkMXt6c

  • 12:55 Scale of the Galaxy

    Scale of the Galaxy

    586 views / 0 likes - added

    Scale of the Galaxy More free lessons at: http://www.khanacademy.org/video?v=rcLnMe1ELPA

  • 10:50 Intergalactic Scale

    Intergalactic Scale

    517 views / 0 likes - added

    Intergalactic Scale More free lessons at: http://www.khanacademy.org/video?v=JiE_kNk3ucI

  • 04:12 Hubble Image of Galaxies

    Hubble Image of Galaxies

    577 views / 0 likes - added

    Hubble Image of Galaxies More free lessons at: http://www.khanacademy.org/video?v=Wl4re38deh0

  • 11:03 Popular Big Bang Introduction

    Big Bang Introduction

    738 views / 1 likes - added

  • 16:39 Radius of Observable Universe

    Radius of Observable Universe

    472 views / 0 likes - added

    Radius of Observable Universe More free lessons at: http://www.khanacademy.org/video?v=6nVysrZQnOQ

  • 02:15 (Correction) Radius of Observable Universe

    (Correction) Radius of Observable Universe

    478 views / 0 likes - added

    (Correction) Radius of Observable Universe More free lessons at: http://www.khanacademy.org/video?v=b6VQv76BQDs

  • 10:04 Red Shift

    Red Shift

    487 views / 0 likes - added

    Red Shift More free lessons at: http://www.khanacademy.org/video?v=mx2M_ZKXM_c

  • 11:36 Cosmic Background Radiation

    Cosmic Background Radiation

    508 views / 0 likes - added

    Cosmic Background Radiation More free lessons at: http://www.khanacademy.org/video?v=sxbPwl_KRuA

  • 10:16 Cosmic Background Radiation 2

    Cosmic Background Radiation 2

    564 views / 0 likes - added

    Cosmic Background Radiation 2 - Redshift of the Cosmic Background Radiation More free lessons at: http://www.khanacademy.org/video?v=06z7Q8TWPyU

  • 07:07 Cosmological Time Scale 1

    Cosmological Time Scale 1

    563 views / 0 likes - added

    Cosmological Time Scale 1 More free lessons at: http://www.khanacademy.org/video?v=DRtLXagrMHw

  • 06:18 Cosmological Time Scale 2

    Cosmological Time Scale 2

    495 views / 0 likes - added

    Cosmological Time Scale 2 More free lessons at: http://www.khanacademy.org/video?v=LO7-3MpWijU

  • 10:30 Four Fundamental Forces

    Four Fundamental Forces

    449 views / 0 likes - added

    Gravity, Weak, Electromagnetic and Strong More free lessons at: http://www.khanacademy.org/video?v=FEF6PxWOvsk

  • 07:58 Birth of Stars

    Birth of Stars

    646 views / 2 likes - added

    Birth of Stars More free lessons at: http://www.khanacademy.org/video?v=i-NNWI8Ccas

  • 11:30 Becoming a Red Giant

    Becoming a Red Giant

    549 views / 1 likes - added

    Becoming a Red Giant More free lessons at: http://www.khanacademy.org/video?v=kJSOqlcFpJw

  • 12:54 White and Black Dwarfs

    White and Black Dwarfs

    526 views / 1 likes - added

    White and Black Dwarfs More free lessons at: http://www.khanacademy.org/video?v=EdYyuUUY-nc

  • 08:58 A Universe Smaller than the Observable

    A Universe Smaller than the Observable

    465 views / 0 likes - added

    A Universe Smaller than the Observable More free lessons at: http://www.khanacademy.org/video?v=0w9R_foNLrg

  • 07:04 Star Field and Nebula Images

    Star Field and Nebula Images

    544 views / 0 likes - added

    Star Field and Nebula Images More free lessons at: http://www.khanacademy.org/video?v=w3IKEa_GOYs

  • 07:22 Parallax in Observing Stars

    Parallax in Observing Stars

    516 views / 0 likes - added

    Parallax in Observing Stars More free lessons at: http://www.khanacademy.org/video?v=ETzUpoqZIHY

  • 09:26 Stellar Parallax

    Stellar Parallax

    442 views / 0 likes - added

    Another version of the stellar parallax introduction More free lessons at: http://www.khanacademy.org/video?v=omvNINaRdxg

  • 11:40 Stellar Distance Using Parallax

    Stellar Distance Using Parallax

    460 views / 0 likes - added

    Stellar Distance Using Parallax More free lessons at: http://www.khanacademy.org/video?v=lVadjWOjvV8

  • 02:22 Stellar Parallax Clarification

    Stellar Parallax Clarification

    468 views / 0 likes - added

    Stellar Parallax Clarification More free lessons at: http://www.khanacademy.org/video?v=6FP-hLuAlr4

  • 07:34 Parsec Definition

    Parsec Definition

    465 views / 0 likes - added

    Parsec Definition More free lessons at: http://www.khanacademy.org/video?v=6zV3JEjLoyE

  • 06:41 Lifecycle of Massive Stars

    Lifecycle of Massive Stars

    650 views / 0 likes - added

    Lifecycle of Massive Stars More free lessons at: http://www.khanacademy.org/video?v=UhIwMAhZpCo

  • 11:58 Supernova (Supernovae)

    Supernova (Supernovae)

    582 views / 0 likes - added

    Supernova (Supernovae) More free lessons at: http://www.khanacademy.org/video?v=qOwCpnQsDLM

  • 01:32 Supernova clarification

    Supernova clarification

    534 views / 0 likes - added

    Supernova clarification More free lessons at: http://www.khanacademy.org/video?v=QMv4kxATfzs

  • 09:23 Cepheid Variables 1

    Cepheid Variables 1

    558 views / 0 likes - added

    Cepheid Variables 1 More free lessons at: http://www.khanacademy.org/video?v=BWs-ONRDDG4

  • 07:10 Why Cepheids Pulsate

    Why Cepheids Pulsate

    415 views / 0 likes - added

    Why Cepheids Pulsate More free lessons at: http://www.khanacademy.org/video?v=X_3QAB3o4Vw

  • 09:29 Supermassive Black Holes

    Supermassive Black Holes

    534 views / 1 likes - added

    Supermassive Black Holes More free lessons at: http://www.khanacademy.org/video?v=DxkkAHnqlpY

  • 09:15 Quasars

    Quasars

    389 views / 0 likes - added

    Quasars More free lessons at: http://www.khanacademy.org/video?v=4LmIyMyAuN0

  • 01:46 Quasar Correction

    Quasar Correction

    643 views / 0 likes - added

    Quasar Correction More free lessons at: http://www.khanacademy.org/video?v=PX_XSnVWlNc

  • 10:26 Beginnings of Life

    Beginnings of Life

    655 views / 0 likes - added

    Life and photosynthesis start to thrive in the Archean Eon More free lessons at: http://www.khanacademy.org/video?v=nYFuxTXDj90

  • 09:56 Ozone Layer and Eukaryotes Show Up in the Proterozoic Eon

    Ozone Layer and Eukaryotes Show Up in the Proterozoic Eon

    676 views / 0 likes - added

    Ozone Layer and Eukaryotes Show Up in the Proterozoic Eon. Great Oxygenation Event (Oxygen Catastrophe) More free lessons at: http://www.khanacademy.org/video?v=E1P79uFLCMc

  • 10:28 Biodiversity Flourishes in Phanerozoic Eon

    Biodiversity Flourishes in Phanerozoic Eon

    418 views / 0 likes - added

    Cambrian explosion and biodiversity in the Phanerozoic Eon More free lessons at: http://www.khanacademy.org/video?v=MS7x2hDEhrw

  • 05:35 Popular First living things on land clarification

    First living things on land clarification

    706 views / 0 likes - added

    First living things on land clarification (This video copyrighted under Create Commons Attribution and Share-Alike CC-BY-SA license) More free lessons at: http://www.khanacademy.org/video?v=3gUE_P9T-Wk

  • 08:00 Popular Plate Tectonics-- Difference between crust and lithosphere

    Plate Tectonics-- Difference between crust and lithosphere

    702 views / 0 likes - added

    Plate Tectonics Introduction and Difference between crust and lithosphere More free lessons at: http://www.khanacademy.org/video?v=f2BWsPVN7c4

  • 09:33 Structure of the Earth

    Structure of the Earth

    543 views / 0 likes - added

    Structure of the Earth - crust, mantle, core More free lessons at: http://www.khanacademy.org/video?v=4AxZ-6MOznY

  • 11:58 Popular Plate Tectonics -- Geological Features of Divergent Plate Boundaries

    Plate Tectonics -- Geological Features of Divergent Plate Boundaries

    1,499 views / 0 likes - added

    Plate Tectonics -- Geological Features of Divergent Plate Boundaries More free lessons at: http://www.khanacademy.org/video?v=FK1s1-OJ5BE

  • 06:04 Popular Plate Tectonics-- Geological features of Convergent Plate Boundaries

    Plate Tectonics-- Geological features of Convergent Plate Boundaries

    744 views / 1 likes - added

    Geological features of Convergent Plate Boundaries More free lessons at: http://www.khanacademy.org/video?v=Y0eWnOZpSpQ

  • 06:03 Plates Moving Due to Convection in Mantle

    Plates Moving Due to Convection in Mantle

    525 views / 0 likes - added

    Plates Moving Due to Convection in Mantle More free lessons at: http://www.khanacademy.org/video?v=f8GK2oEN-uI

  • 08:01 Hawaiian Islands Formation

    Hawaiian Islands Formation

    648 views / 0 likes - added

    Hawaiian Islands formed by stationary hot spot under Pacific plate More free lessons at: http://www.khanacademy.org/video?v=D1eibbfAEVk

  • 11:50 Popular Compositional and Mechanical Layers of the Earth

    Compositional and Mechanical Layers of the Earth

    834 views / 2 likes - added

    Crust, mantle, core, lithosphere, asthenosphere, mesosphere, outer core, inner core More free lessons at: http://www.khanacademy.org/video?v=hHteUIS0OFY

  • 08:38 Popular Seismic Waves

    Seismic Waves

    1,163 views / 0 likes - added

    S-waves and P-waves More free lessons at: http://www.khanacademy.org/video?v=NhioAAdYDJM

  • 04:15 Why S-Waves Only Travel in Solids

    Why S-Waves Only Travel in Solids

    567 views / 0 likes - added

    Why S-Waves Only Travel in Solids More free lessons at: http://www.khanacademy.org/video?v=BTWLwoaNeBA

  • 09:22 Popular Refraction of Seismic Waves

    Refraction of Seismic Waves

    725 views / 1 likes - added

    Refraction of Seismic Waves More free lessons at: http://www.khanacademy.org/video?v=UNZ171fDja4

  • 06:13 The Mohorovicic Seismic Discontinuity

    The Mohorovicic Seismic Discontinuity

    634 views / 0 likes - added

    The Mohorovicic Seismic Discontinuity- boundary between crust and mantle (or Moho) More free lessons at: http://www.khanacademy.org/video?v=yAQSucmHrAk

  • 05:50 How we know about the Earth's core

    How we know about the Earth's core

    570 views / 0 likes - added

    S-wave shadow and P-wave detection patterns give us information about the core More free lessons at: http://www.khanacademy.org/video?v=KL0i1RSnpfI

  • 11:03 Scale of the Large

    Scale of the Large

    545 views / 0 likes - added

    Attempting to comprehend the scale of the large More free lessons at: http://www.khanacademy.org/video?v=5FEjrStgcF8

  • 13:03 Detectable Civilizations in our Galaxy 1

    Detectable Civilizations in our Galaxy 1

    469 views / 0 likes - added

    A framework for thinking about how many detectable civilizations are out there. More free lessons at: http://www.khanacademy.org/video?v=YYEgq1bweN4

  • 08:53 Detectable Civilizations in our Galaxy 2

    Detectable Civilizations in our Galaxy 2

    534 views / 0 likes - added

    Why do we even care about the Drake Equation. Thinking about the fraction of a planet's life when a civilization might be detectable. More free lessons at: http://www.khanacademy.org/video?v=jN03g05TSWM

  • 07:18 Detectable Civilizations in our Galaxy 3

    Detectable Civilizations in our Galaxy 3

    563 views / 0 likes - added

    Reconciling with the traditional Drake Equation More free lessons at: http://www.khanacademy.org/video?v=LRmwUsxNSL0

  • 06:16 Detectable Civilizations in our Galaxy 4

    Detectable Civilizations in our Galaxy 4

    523 views / 0 likes - added

    Taking a shot at estimating the number of detectable civilizations More free lessons at: http://www.khanacademy.org/video?v=T5DGZIsfK-0

  • 05:10 Detectable Civilizations in our Galaxy 5

    Detectable Civilizations in our Galaxy 5

    490 views / 0 likes - added

    More reasons why we haven't detected anything yet. More free lessons at: http://www.khanacademy.org/video?v=xL9ejqb53ms

  • 09:41 Understanding Calendar Notation

    Understanding Calendar Notation

    631 views / 0 likes - added

    Difference between BC, BCE, AD and CE. A little bit about the birth of Jesus as well. More free lessons at: http://www.khanacademy.org/video?v=EKKe7DBZVhI

  • 04:12 Correction Calendar Notation

    Correction Calendar Notation

    561 views / 0 likes - added

    Correcting the time difference calculation by taking into account that there is no year 0 More free lessons at: http://www.khanacademy.org/video?v=N06Jy-gQog8

  • 13:04 Development of Agriculture and Writing

    Development of Agriculture and Writing

    580 views / 0 likes - added

    The Paleolithic and Neolithic eras of the Stone Age. More free lessons at: http://www.khanacademy.org/video?v=iU58AIjh3YA

  • 04:39 Seasons Aren't Dictated by Closeness to Sun

    Seasons Aren't Dictated by Closeness to Sun

    540 views / 0 likes - added

    Why our closeness to the sun does not dictate the seasons More free lessons at: http://www.khanacademy.org/video?v=SJUd5du0T08

  • 12:57 Milankovitch Cycles   Precession and Obliquity

    Milankovitch Cycles Precession and Obliquity

    502 views / 0 likes - added

    How changes in Earth's rotation can effect Earth's seasons and climate More free lessons at: http://www.khanacademy.org/video?v=ZD8THEz18gc

  • 12:04 Precession Causing Perihelion to Happen Later

    Precession Causing Perihelion to Happen Later

    558 views / 0 likes - added

    Clarifying the effect of axial precession on the calendar and the date of perihelion and aphelion More free lessons at: http://www.khanacademy.org/video?v=2o-Sef6wllg

  • 02:06 What Causes Precession and Other Orbital Changes

    What Causes Precession and Other Orbital Changes

    410 views / 0 likes - added

    What causes precession and other orbital changes More free lessons at: http://www.khanacademy.org/video?v=nL6LMX8-bPY

  • 07:07 Apsidal Precession (Perihelion Precession) and Milankovitch Cycles

    Apsidal Precession (Perihelion Precession) and Milankovitch Cycles

    501 views / 0 likes - added

    Apsidal Precession (Perihelion Precession) More free lessons at: http://www.khanacademy.org/video?v=m6lMGoZTJnc

  • 04:15 Carbon 14 Dating 2

    Carbon 14 Dating 2

    592 views / 0 likes - added

    Carbon 14 Dating 2 More free lessons at: http://www.khanacademy.org/video?v=4YUtnod-YuE

  • 10:35 Potassium-Argon (K-Ar) Dating

    Potassium-Argon (K-Ar) Dating

    627 views / 0 likes - added

    How K-Ar dating can be used to date very old volcanic rock and the things that might be buried in between More free lessons at: http://www.khanacademy.org/video?v=NMZ5kJEviD0

  • 11:07 K-Ar Dating Calculation

    K-Ar Dating Calculation

    582 views / 0 likes - added

    Working through a calculation for K-Ar dating (good to have some prior experience with e and logarithms) More free lessons at: http://www.khanacademy.org/video?v=iLFcSfzrlMk

  • 09:54 Chronometric Revolution

    Chronometric Revolution

    560 views / 0 likes - added

    Discussion of the relatively recent changes in our ability as a species to shine light on our deep past More free lessons at: http://www.khanacademy.org/video?v=5mNTvtjDnP8

  • 13:17 Collective Learning

    Collective Learning

    556 views / 0 likes - added

    How symbolic language drives collective learning and how this is one of the truly differentiating aspects of human beings relative to the rest of the animal kingdom More free lessons at: http://www.khanacademy.org/video?v=NqR_dtZu4Mo

  • 13:00 Popular Land Productivity Limiting Human Population

    Land Productivity Limiting Human Population

    772 views / 0 likes - added

    Thinking about how we get Calories from the land limits human population densities More free lessons at: http://www.khanacademy.org/video?v=xM8szz4VB28

  • 13:41 Energy Inputs for Tilling a Hectare of Land

    Energy Inputs for Tilling a Hectare of Land

    548 views / 0 likes - added

    Thinking about energy consumption for tilling land More free lessons at: http://www.khanacademy.org/video?v=5I9dH5im24U

  • 11:07 Random Predictions for 2060

    Random Predictions for 2060

    436 views / 0 likes - added

    Sal's random predictions for the year 2060 More free lessons at: http://www.khanacademy.org/video?v=E4rbS0oxg30

  • 12:04 Currency Exchange Introduction

    Currency Exchange Introduction

    570 views / 0 likes - added

    Introduction to how exchange rates can fluctuate More free lessons at: http://www.khanacademy.org/video?v=itoNb1lb5hY

  • 14:20 Currency Effect on Trade

    Currency Effect on Trade

    643 views / 0 likes - added

    Currency Effect on Trade More free lessons at: http://www.khanacademy.org/video?v=5HVCFrXQ9pw

  • 10:06 Currency Effect on Trade Review

    Currency Effect on Trade Review

    580 views / 0 likes - added

    Currency Effect on Trade Review More free lessons at: http://www.khanacademy.org/video?v=Ysk1ySejuCQ

  • 06:52 Popular Pegging the Yuan

    Pegging the Yuan

    911 views / 0 likes - added

    How the Chinese Central Bank could peg the Yuan to the dollar by printing Yuan and buying dollars (building up a dollar reserve) More free lessons at: http://www.khanacademy.org/video?v=S-9iY1OgbDE

  • 12:10 Popular Chinese Central Bank Buying Treasuries

    Chinese Central Bank Buying Treasuries

    704 views / 0 likes - added

    Chinese Central Bank Buying Treasuries More free lessons at: http://www.khanacademy.org/video?v=MN4SWiEEqKo

  • 15:27 Popular American-Chinese Debt Loop

    American-Chinese Debt Loop

    751 views / 0 likes - added

    How the Chinese buying of American debt leads to lower interest rates More free lessons at: http://www.khanacademy.org/video?v=m5xu4r0szaA

  • 12:24 Debt Loops Rationale and Effects

    Debt Loops Rationale and Effects

    602 views / 0 likes - added

    Positive and negative effects of China's devaluing of their currency More free lessons at: http://www.khanacademy.org/video?v=XBI7DqttyOQ

  • 04:16 China keeps peg but diversifies holdings

    China keeps peg but diversifies holdings

    532 views / 0 likes - added

    China keeps peg but diversifies holdings More free lessons at: http://www.khanacademy.org/video?v=4aNoZjAhSr8

  • 07:28 Algebra: Linear Equations 1

    Algebra: Linear Equations 1

    532 views / 0 likes - added

    equations of the form AX=B More free lessons at: http://www.khanacademy.org/video?v=bAerID24QJ0

  • 06:07 Algebra: Linear Equations 2

    Algebra: Linear Equations 2

    477 views / 0 likes - added

    solving equations of the form AX+B=C More free lessons at: http://www.khanacademy.org/video?v=DopnmxeMt-s


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