In a series of practice problems, learners use the substitution method to solve systems of linear equations, also called "simultaneous linear equations."

Learners use the lowest common denominator to simplify and then solve equations with algebraic fractions. Immediate feedback is provided. This animated object has audio content.

In this highly interactive and animated object, learners follow a step-by-step process to reduce algebraic fractions, which contain no addition or subtraction, to their simplest, most elementary form. Immediate feedback is provided. This activity has audio content.

In this interactive and animated object, learners follow instructions for finding the lowest common denominator for a group of algebraic fractions. Immediate feedback is provided. This activity has audio content.

Students view the steps to follow to add complex numbers in Excel.

In this learning activity you'll walk through a direct variation problem.

In this animated object, learners follow the steps for solving word problems using algebra. An introductory example is explained.

In this interactive object, learners follow step-by-step instructions for reducing algebraic fractions so that they can then be multiplied. This activity has audio content.

In this learning activity you'll evaluate the determinant of a 3 X 3 matrix.

Learners follow step-by-step instructions for dividing algebraic fractions. They begin by reducing the fractions to their simplest form. Immediate feedback is provided. This activity has audio content.

Learners follow step-by-step instructions for finding the lowest common denominator for a group of algebraic fractions and then enter their answers to three problems. Immediate feedback is provided. This activity has audio content.

In this learning activity you'll practice calculating an inverse variation problem.

In this learning activity you'll simplify square roots involving the product of a numeric and variable term.

In this interactive object, learners follow step-by-step instructions for reducing algebraic fractions, which contain addition and/or subtraction, to their simplest form. This activity has audio content.

Learners read definitions of the terminology associated with algebraic operations and then follow steps to simplify algebraic expressions.

In this learning activity you'll factor problems using the difference of two perfect squares.

In this animated and interactive object, learners use an algebraic formula to solve a problem involving distance, rate, and time.