Khan Academy
Khan Academy: Statistics: Binomial Distribution 2
Video continuing an example of a binomial distribution for the amount of heads in five flips of a coin by drawing the graph and including discussion on how the distribution relates to a normal bell curve. Also includes explanation of why...
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Why Borrowing Works
This video shows subtraction of numbers up to four digits, and a recap of borrowing and regrouping. Practice problems are available. [8:34]
Khan Academy
Khan Academy: Algebra: Logarithmic Equations
Demonstrates how to convert a logarithmic equation to an exponential equation. [1:27]
Khan Academy
Khan Academy: Algebra: System of Inequalities Application
This video demonstrates how to solve a word problem by setting and solving a system of linear inequalities. [8:09]
Khan Academy
Khan Academy: Biology: Electrotonic and Action Potentials
The foundation for understanding how neurons transmit signals. [18:53]
Khan Academy
Khan Academy: Algebra: Algebra: Equation of a Line
This video demonstrates how to take two given points of a line and write an equation for that line. The video graphs the points first, then it reviews the equation of a line in slope-intercept form. Next the video shows how to calculate...
Khan Academy
Khan Academy: Algebra: Completing the Square
Demonstrates how to solve two different quadratic equations by completing the square. Practice problems available. [13:45]
Khan Academy
Khan Academy: Statistics: Binomial Distribution 4
Video demonstration continuing an example of a binomial distribution for the amount of free throw shots made out of six shots. Excel is used to calculate probabilities and graph the distribution. Video is also listed in the probability...
Khan Academy
Khan Academy: Algebra: Systems and Rate Problems 2
This video demonstrates how to set up and solve a system of equations in order to solve a word problem concerning rates. [10:04]
Khan Academy
Khan Academy: Algebra: Equations and Inequalities
Video demonstrating how to write and solve equations and inequalities from real-world situations. Also included are examples of testing solutions to inequalities. This video is also found in the strand Algebra: ck12.org. [16:11]
Khan Academy
Khan Academy: Biology: Parts of a Cell
A detailed description of the anatomy of a cell. [21:03]
Khan Academy
Khan Academy: Algebra: Systems and Rate Problems 3
This video demonstrates how to set up and solve a system of equations in order to solve a word problem concerning rates. [4:56]
Khan Academy
Khan Academy: Algebra: Applying Quadratic Functions 2
Video solving an application problem by finding a quadratic equation to represent the distance of a diver above the water based on his time in the air by determining his average velocity. Equation is solved using the quadratic formula....
Khan Academy
Khan Academy: Algebra: Applying Quadratic Functions 3
Video solving an optimization application problem by finding a quadratic equation to represent the profit for a given product based on its selling price. Problem is solved by finding the selling price that gives a maximum value for the...
Khan Academy
Khan Academy: Algebra: Algebra: Slope
This video begins with two points and demonstrates how to graph them on a coordinate plane and then use the graph to help calculate the slope. There are two additional examples that do not show a graph but show how to calculate slope...
Khan Academy
Khan Academy: Algebra: Interesting Polynomial Coefficient Problem
Video demonstrates how to determine the coefficients of a third degree polynomial when given the zeros of the polynomial and the y-intercept. [16:15]
Khan Academy
Khan Academy: Calculus: Another U Substitution Example
Video lesson on finding the indefinite integral of a composite trigonometric function by using integration by substitution. [5:57]
Khan Academy
Khan Academy: Algebra: Exponent Properties 7
Video simplifying an algebraic expression using various rules of exponents. [4:51]
Khan Academy
Khan Academy: Algebra: Officer on Horseback
This video demonstrates how to set up and solve a system of equations in order to answer a question posed in a word problem. The solution utilizes the equation d=rt. [8:54]
Khan Academy
Khan Academy: Algebra:factoring Trinomials With Non 1 Leading Coeff. By Grouping
Video demonstrates how to use the factor by grouping method to factor a trinomial with a leading coefficient of 4. [5:38]
Khan Academy
Khan Academy: Algebra: More Advanced Ratio Problem With Algebra
A step-by-step instructional video on how to solve a ratio problem using algebra. [9:58]
Khan Academy
Khan Academy: Trigonometry: Fun Trig Problem
Video shows solving an equation with sine and cosine by using a trigonometric identity and solving the resulting quadratic equation. [10:01]
Khan Academy
Khan Academy: Algebra: Radical Equivalent to Rational Exponents
Video simplifying an algebraic expression containing a fractional exponent by writing it using radicals and then simplifying further. [2:56]
Khan Academy
Khan Academy: Algebra: Negative and Positive Exponents
Video simplifying an algebraic expression with negative exponents and then evaluating it when x equals 2. [2:19]