Recently added videos

09:37
Intro to the Endocrine System
/ 250 viewsBasic overview of hormones and the endocrine system More free lessons at: http://www.khanacademy.org/video?v=f_Z1zsR9lFM

07:53
Stenosis, ischemia and heart failure
/ 261 viewsClarifying a bunch of medical terms around heart disease More free lessons at: http://www.khanacademy.org/video?v=3858MaULDdI

12:21
Heart Disease and Heart Attacks
/ 394 viewsBasics of heart disease, heart attacks, heart failure, angina, cardiac arrest. Special thanks to Edward J Perper, MD for help in clarifying certain aspects of this video. Licensed under CCBYSA More free lessons at: http://www.khanacademy.org/video?v=vYn

06:09
A1C Levels
/ 225 viewsWhy measuring Hemoglobin A1c levels is an indicator of blood sugar levels (and diabetes) More free lessons at: http://www.khanacademy.org/video?v=MOH33jFOwo

08:55
Blood Sugar Levels
/ 291 viewsNormal and elevated blood sugar levels before (preprandia) and after (postprandial) a meal More free lessons at: http://www.khanacademy.org/video?v=JSFiOF7xGfE

07:24
Glucose Insulin and Diabetes
/ 281 viewsThe basics of Type I and Type II diabetes More free lessons at: http://www.khanacademy.org/video?v=rPLjSY00JlE

04:13
Solving Logarithmic Equations
/ 171 viewsu18_l4_t1_we2 Solving Logarithmic Equations More free lessons at: http://www.khanacademy.org/video?v=Kv2iHde7Xgw Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

01:09
Calculator for Natural Logarithms
/ 179 viewsu18_l3_t1_we6 Calculator for Natural Logarithms More free lessons at: http://www.khanacademy.org/video?v=r0eFSS8CNQ Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

09:13
Graphing Natural Logarithm Function
/ 206 viewsu18_l3_t1_we2 Graphing Natural Logarithm Function More free lessons at: http://www.khanacademy.org/video?v=xmjy0TxgI8 Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

03:37
Natural Logarithm with a Calculator
/ 256 viewsu18_l3_t1_we1 Natural Logarithm with a Calculator More free lessons at: http://www.khanacademy.org/video?v=Dpo_GrMpNE Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

02:10
Using Multiple Logarithm Properties to Simplify
/ 173 viewsu18_l2_t2_we4 Using Multiple Logarithm Properties to Simplify More free lessons at: http://www.khanacademy.org/video?v=RhzXX5PbsuQ Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

04:49
Logarithm of a Power
/ 225 viewsu18_l2_t2_we3 Logarithm of a Power More free lessons at: http://www.khanacademy.org/video?v=Pb9V374iOas Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

04:39
Difference of Logarithms with Same Base
/ 171 viewsu18_l2_t2_we2 Difference of Logarithms with Same Base

05:04
Sum of Logarithms with Same Base
/ 146 viewsu18_l2_t2_we1 Sum of Logarithms with Same Base More free lessons at: http://www.khanacademy.org/video?v=pkGrXzakRFs Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

03:28
Solving Logarithmic Equations
/ 171 viewsu18_l2_t1_we4 Solving Logarithmic Equations More free lessons at: http://www.khanacademy.org/video?v=oqAYqT70EBQ Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

09:10
Graphing Logarithmic Functions
/ 155 viewsu18_l2_t1_we3 Graphing Logarithmic Functions More free lessons at: http://www.khanacademy.org/video?v=DuYgVVU_BwY Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

02:00
Logarithmic Equations 2
/ 149 viewsu18_l2_t1_we2 Logarithmic Equations 2 Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

01:27
Logarithmic Equations
/ 180 viewsu18_l2_t1_we1 Logarithmic Equations More free lessons at: http://www.khanacademy.org/video?v=fyshrv6YDVY Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

05:32
Graphing Exponential Functions
/ 154 viewsu18_l1_t1_we1 Graphing Exponential Functions More free lessons at: http://www.khanacademy.org/video?v=9SOSfRNCQZQ Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

06:18
Quotient of Functions
/ 171 viewsu17_l3_t1_we4 Quotient of functions and factoring by grouping More free lessons at: http://www.khanacademy.org/video?v=u9v_bakOIcU Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

03:00
Product of Functions
/ 151 viewsu17_l3_t1_we3 Product of Functions More free lessons at: http://www.khanacademy.org/video?v=JKvmAexeMgY Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

03:08
Difference of Functions
/ 168 viewsu17_l3_t1_we2 Difference of Functions More free lessons at: http://www.khanacademy.org/video?v=KvMyZY9upuA Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

02:33
Sum of Functions
/ 136 viewsu17_l3_t1_we1 Sum of Functions More free lessons at: http://www.khanacademy.org/video?v=n34dqyVCXs4 Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

01:47
Domain of a Radical Function
/ 245 viewsu17_l2_t3_we2 Domain of a Radical Function More free lessons at: http://www.khanacademy.org/video?v=4h54s7BBPpA Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

08:07
Domain and Range of a Function Given a Formula
/ 217 viewsu17_l2_t3_we1 Domain and Range of a Function Given a Formula More free lessons at: http://www.khanacademy.org/video?v=za0QJRZyQ4 Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

10:17
Graphing Radical Functions
/ 161 viewsu17_l2_t2_we3 Graphing Radical Functions More free lessons at: http://www.khanacademy.org/video?v=Mi6OJ4TAufY Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

05:36
Graphing a Basic Function
/ 161 viewsu17_l2_t2_we1 Graphing a Basic Function More free lessons at: http://www.khanacademy.org/video?v=2dUHLHeyTY Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

05:08
Evaluating Functions
/ 183 viewsu17_l2_t1_we1 Evaluating Functions More free lessons at: http://www.khanacademy.org/video?v=E9YEUQR9NAU Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

04:07
Graphical Relations and Functions
/ 247 viewsu17_l1_t1_we3 Graphical Relations and Functions More free lessons at: http://www.khanacademy.org/video?v=qGmJ4F3b5W8 Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

06:57
Relations and Functions
/ 135 viewsu17_l1_t1_we2 Relations and Functions More free lessons at: http://www.khanacademy.org/video?v=Uz0MtFlLDk Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

02:43
Domain and Range of a Relation
/ 171 viewsu17_l1_t1_we1 Domain and Range of a Relation More free lessons at: http://www.khanacademy.org/video?v=g3LrOw1JMi8 Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

05:53
Application Problem with Quadratic Formula
/ 150 viewsu16_l5_t2_we5 Application Problem with Quadratic Formula More free lessons at: http://www.khanacademy.org/video?v=OZtqz_xw0SQ Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

04:37
Discriminant for Types of Solutions for a Quadratic
/ 290 viewsu16_l5_t2_we4 Discriminant for Types of Solutions for a Quadratic More free lessons at: http://www.khanacademy.org/video?v=1213qW5k55I Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

10:15
Complex Roots from the Quadratic Formula
/ 150 viewsu16_l5_t2_we3 Complex Roots from the Quadratic Formula More free lessons at: http://www.khanacademy.org/video?v=dnjK4DPqh0k Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

04:51
Applying the Quadratic Formula
/ 149 viewsu16_l5_t2_we2 Applying the Quadratic Formula More free lessons at: http://www.khanacademy.org/video?v=_E3gx_yQhHQ Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

02:22
Quadratic Equations in Standard Form
/ 159 viewsu16_l5_t2_we1 Quadratic Equations in Standard Form More free lessons at: http://www.khanacademy.org/video?v=ty4Ohya4hdE Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

05:44
Completing the Square to Solve Quadratic Equations
/ 237 viewsu16_l5_t1_we3 Completing the Square to Solve Quadratic Equations More free lessons at: http://www.khanacademy.org/video?v=TV5kDqiJ1Os Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

03:28
Completing Perfect Square Trinomials
/ 195 viewsu16_l5_t1_we2 Completing Perfect Square Trinomials Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

02:18
Simple Quadratic Equation
/ 147 viewsu16_l5_t1_we1 Simple Quadratic Equation More free lessons at: http://www.khanacademy.org/video?v=RweAgQwLdMs Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

04:58
Dividing Complex Numbers
/ 165 viewsu16_l4_t2_we5 Dividing Complex Numbers More free lessons at: http://www.khanacademy.org/video?v=Z8j5RDOibV4 Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

04:01
Complex Conjugates Example
/ 161 viewsu16_l4_t2_we4 Complex Conjugates More free lessons at: http://www.khanacademy.org/video?v=dbxJ6LD0344 Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

05:32
Multiplying Complex Numbers
/ 166 viewsu16_l4_t2_we3 Multiplying Complex Numbers More free lessons at: http://www.khanacademy.org/video?v=cWn6g8Qqvs4 Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

01:53
Subtracting Complex Numbers
/ 165 viewsu16_l4_t2_we2 Subtracting Complex Numbers More free lessons at: http://www.khanacademy.org/video?v=tvXRaZbIjO8 Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

01:12
Adding Complex Numbers
/ 180 viewsu16_l4_t2_we1 Adding Complex Numbers More free lessons at: http://www.khanacademy.org/video?v=SfbjqVyQljk Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

04:04
Imaginary Roots of Negative Numbers
/ 179 viewsu16_l4_t1_we2 Imaginary Roots of Negative Numbers More free lessons at: http://www.khanacademy.org/video?v=s03qez6JMA Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

02:21
Complex Numbers
/ 182 viewsu16_l4_t1_we1 Complex Numbers Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

03:24
Radical Equation Application Problem
/ 193 viewsu16_l3_t1_we3 Radical Equation Application Problem

10:57
Extraneous Solutions for Radical Equations
/ 174 viewsu16_l3_t1_we2 Extraneous Solutions for Radical Equations

03:11
Solving Radical Equations
/ 153 viewsu16_l3_t1_we1 Solving Radical Equations More free lessons at: http://www.khanacademy.org/video?v=pFFoAGIEyJc Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

04:01
Rationalizing Denominators with Conjugates
/ 126 viewsu16_l2_t4_we2 Rationalizing Denominators with Conjugates

04:58
Rationalizing Denominators of Expressions
/ 155 viewsu16_l2_t4_we1 Rationalizing Denominators of Expressions More free lessons at: http://www.khanacademy.org/video?v=Z3db5itCIiQ Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

06:04
Multiplying Binomials with Radicals
/ 175 viewsu16_l2_t3_we1 Multiplying Binomials with Radicals More free lessons at: http://www.khanacademy.org/video?v=yAH3722GrP8 Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

05:46
Subtracting and Simplifying Radicals
/ 152 viewsu16_l2_t2_we2 Subtracting and Simplifying Radicals More free lessons at: http://www.khanacademy.org/video?v=qH4IQfDD1Nw Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

04:41
Adding and Simplifying Radicals
/ 143 viewsu16_l2_t2_we1 Adding and Simplifying Radicals More free lessons at: http://www.khanacademy.org/video?v=egNq4tSfi1I Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

03:07
Multiply and Simplify a Radical Expression 2
/ 166 viewsu16_l2_t1_we2 Multiply and Simply a Radical Expression More free lessons at: http://www.khanacademy.org/video?v=sBvRJUwXJPo Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

04:25
Multiply and Simplify a Radical Expression 1
/ 148 viewsu16_l2_t1_we1 Multiply and Simply a Radical Expression More free lessons at: http://www.khanacademy.org/video?v=GEeKOeGHddY Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

03:25
More Rational Exponents and Exponent Laws
/ 238 viewsu16_l1_t3_we4 More Rational Exponents and Exponent Laws More free lessons at: http://www.khanacademy.org/video?v=rco7DMcyoE Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

02:16
Rational Exponents and Exponent Laws
/ 228 viewsu16_l1_t3_we3 Rational Exponents and Exponent Laws More free lessons at: http://www.khanacademy.org/video?v=NuccqpiUHrk Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

02:24
Radical Equivalent to Rational Exponents 2
/ 172 viewsu16_l1_t3_we2 Radical Equivalent to Rational Exponents 2 More free lessons at: http://www.khanacademy.org/video?v=zlRKO21qEpQ Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

02:57
Radical Equivalent to Rational Exponents
/ 191 viewsu16_l1_t3_we1 Radical Equivalent to Rational Exponents More free lessons at: http://www.khanacademy.org/video?v=jO4wOQQiVZg Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

05:25
Simplifying Cube Roots
/ 151 viewsu16_l1_t2_we3 Simplifying Cube Roots More free lessons at: http://www.khanacademy.org/video?v=cwtvEdEoVs Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

04:18
Finding Cube Roots
/ 179 viewsu16_l1_t2_we2 Finding Cube Roots More free lessons at: http://www.khanacademy.org/video?v=DKh16Th8x6o Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

04:16
Simplifying Square Roots Comment Response
/ 173 viewsThinking about the domain of the expression to determine if we need the absolute value sign More free lessons at: http://www.khanacademy.org/video?v=qFFhdLlX220 Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

05:36
Simplifying Square Roots
/ 200 viewsu16 l1 t2 we1 Simplifying Square Roots More free lessons at: http://www.khanacademy.org/video?v=uggD8mwglyc Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

07:12
Approximating Square Roots
/ 147 viewsu16_l1_t1_we2 Approximating Square Roots More free lessons at: http://www.khanacademy.org/video?v=EFVrAk61xjE Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

04:42
Inverse Variation Application
/ 181 viewsu15_l3_t1_we5 Inverse Variation Application More free lessons at: http://www.khanacademy.org/video?v=lkPE2LUnjA Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

02:02
Direct Variation Application
/ 163 viewsu15_l3_t1_we4 Direct Variation Application More free lessons at: http://www.khanacademy.org/video?v=ZsjfUUJUq9s Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

01:44
Proportionality Constant for Direct Variation
/ 182 viewsu15_l3_t1_we3 Proportionality Constant for Direct Variation More free lessons at: http://www.khanacademy.org/video?v=c6FJRda_Vc Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

05:31
Direct Inverse and Joint Variation
/ 194 viewsu15_l3_t1_we2 Direct Inverse and Joint Variation More free lessons at: http://www.khanacademy.org/video?v=vk5L0BPOmc Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

01:24
Solving for a Variable
/ 146 viewsu15_l3_t1_we1 Solving for a Variable More free lessons at: http://www.khanacademy.org/video?v=fnuIT7EhAvs Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

03:35
Another Take on the Rate Problem
/ 171 viewsu15_l2_t1_we3 Another Take on the Rate Problem More free lessons at: http://www.khanacademy.org/video?v=hAy_bavEVCQ Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

07:31
Rate Problem Involving Rational Equations
/ 198 viewsu15_l2_t1_we3 Rate Problem Involving Rational Equations

03:03
Extraneous Solutions to Rational Equations
/ 210 viewsu15_l2_t1_we2 Extraneous Solutions to Rational Equations More free lessons at: http://www.khanacademy.org/video?v=bml74_PsfwA Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

04:16
Rational Equations
/ 145 viewsu15_l2_t1_we1 Rational Equations More free lessons at: http://www.khanacademy.org/video?v=bRwJQCz9XU Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

08:15
Adding and Subtracting Rational Expressions
/ 209 viewsu15_l1_t3_we4 Adding and Subtracting Rational Expressions More free lessons at: http://www.khanacademy.org/video?v=y_DweTAEYWk Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

02:53
Simplifying First for Subtracting Rational Expressions
/ 125 viewsu15_l1_t3_we3 Simplifying First for Subtracting Rational Expressions More free lessons at: http://www.khanacademy.org/video?v=tmpa8Q240XY Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

05:35
Subtracting Rational Expressions
/ 142 viewsu15_l1_t3_we3 Subtracting Rational Expressions More free lessons at: http://www.khanacademy.org/video?v=YO_SwIKGMqQ Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

04:40
Algebraic Expression Least Common Multiple
/ 149 viewsu15_l1_t3_we1 Algebraic Expression Least Common Multiple Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

04:04
Dividing and Simplifying Rational Expressions
/ 147 viewsu15_l1_t2_we2 Dividing and Simplifying Rational Expressions

05:05
Multiplying and Simplifying Rational Expressions
/ 158 viewsu15_l1_t2_we1 Multiplying and Simplifying Rational Expressions More free lessons at: http://www.khanacademy.org/video?v=x6FFjiHPlSI Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

08:02
Simplifying Rational Expressions Example 2
/ 169 viewsu15_L1_T1_we2 Simplifying Rational Expressions More free lessons at: http://www.khanacademy.org/video?v=RXMSlFtJlEs

05:06
Solutions to Three Variable System
/ 167 viewsu14 l3 t1 we4 Solutions to Three Variable System More free lessons at: http://www.khanacademy.org/video?v=145zOBT0LD4

08:16
Three Equation Application Problem
/ 131 viewsu14_l3_t1_we3 Three Equation Application Problem More free lessons at: http://www.khanacademy.org/video?v=TJaHNxJk54 Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

07:01
Systems of Three Variables 2
/ 141 viewsu14_l3_t1_we2 Systems of Three Variables 2 More free lessons at: http://www.khanacademy.org/video?v=f7cXAr2cEM Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

08:23
Systems of Three Variables
/ 147 viewsu14_l3_t1_we1 Systems of Three Variables More free lessons at: http://www.khanacademy.org/video?v=pANZpI9sOYg Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

02:38
Addition Elimination Method 4
/ 226 viewsu14_l2_t2_we4 Addition Elimination Method 4 More free lessons at: http://www.khanacademy.org/video?v=DxSmZ0MDSxM Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

05:06
Addition Elimination Method 3
/ 194 viewsu14_l2_t2_we3 Addition Elimination Method 3 More free lessons at: http://www.khanacademy.org/video?v=mKu0L46Qed4 Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

04:26
Addition Elimination Method 2
/ 149 viewsu14_l2_t2_we2 Addition Elimination Method 2 More free lessons at: http://www.khanacademy.org/video?v=hJOqGkWElNs Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

03:38
Addition Elimination Method 1
/ 179 viewsu14_l2_t2_we1 Addition Elimination Method 1 More free lessons at: http://www.khanacademy.org/video?v=0P0SCQfhWQ Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

05:59
Substitution Method 3
/ 133 viewsu14_l2_t1_we3 Substitution Method 3 More free lessons at: http://www.khanacademy.org/video?v=v6L8MlnKo Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education