The Egyptians used unit fractions to describe all other fractions. Your class will rewrite rational expressions in order to deduce information about rational numbers. The activity starts with specific fractions, guides you through a few...

Work a problem on adding and subtracting polynomials with two variables. Video is available if you need a hint.

Adding and subtracting polynomials is all about combining like terms. When the terms have two variables, it gets a little bit tricky to figure out which terms are like terms. In this article, we review some examples and give you a chance...

Practice exercise reviews how to how to add, subtract and multiply polynomials.

Example: Add (2x^2-3) and (7x^3-4x+1).

Exercises for practicing adding and subtracting polynomials. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.

Choose the step where an error was made in adding or subtracting polynomials. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.

Practice adding and subtracting polynomials. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.

Students practice adding polynomials with these exercises. They receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.

Choose which step an error was made in adding or subtracting polynomials.

Students practice subtracting polynomials with these exercises. They receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.

Example: Subtract -2x^2+4x-1 from 6x^2+3x-9.

Example: Subtract (x^2+2xy-y) and (3x+5xy+2y^2).