Provides examples and a video lesson that illustrate roots and zeros in polynomial functions. [4:01]
How to simplify an expression is explained through the use of examples and a video lesson. [2:41]
Discussion of probabilities through the use of examples and a video lesson. [0:35]
Provides examples and a video lesson that illustrates how to simplify a rational expression. [1:17]
Defines and examines the law of sines through examples and a video lesson. [2:02]
Learn how to solve equations and simplify expressions through the use of examples and a video lesson. [1:20]
Provides examples and a video lesson that illustrate how to solve systems of equations in two variables. [1:43]
Gain an understanding of how to solve a quadratic equation using the quadratic formula by viewing examples and a video lesson. [2:23]
Get information about trigonometric functions by viewing examples and a video lesson. [2:08]
Provides an explanation, examples, and a video lesson all related to trigonometric identities. [2:31]
Provides an explanation, examples, and a video lesson all related to using matrices when solving systems of equations. [6:27]
Video solving for the domain and range of a specific function defined verbally. Equation for function is found before defining the domain and range. [3:36]
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.
Video solving a radical equation that results in a quadratic equation and yields an extraneous solution. Explains how the extraneous solution appeared. [11:10]
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.
A step-by-step demonstration on how to solve a rational equation and eliminate any extraneous solutions. [3:03]
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.
This video demonstrates how to graph a linear equation by creating a table of x, y values to use as coordinates for the graph of the line. The second example demonstrates how to take a word problem and create a table of values to graph in order to show the linear relationship applied in the problem. The last sample problem shows how to interpret a linear graph in order to determine specified values. [13:09]
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.
Sal considers two cases of polynomial identities and their proofs. [7:38]
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.
Sal divides a rational expression using long division. [3:24]
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.
Explains what it means to compose two functions. Gives examples for finding the values of composite functions given the equations, the graphs, or tables of values of the two composed functions. [6:14]
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.
Sal explains what it means to simplify a rational expression and why we would want to do that. Just don't forget the excluded values! [15:22]
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.
The Polynomial Remainder Theorem allows us to determine whether a linear expression is a factor of a polynomial expression easily. [6:42]
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.