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Algebra Collection
Showing 391 to 400 of 408 Resources
Using the Discriminant to Calculate Income from Mug Sales
07:14

Using the Discriminant to Calculate Income from Mug Sales

Using the discriminant to solve a practical problem involving the pricing of mugs for greatest profit.

Using the Distance Formula to Find Distance Between Points
00:52

Using the Distance Formula to Find Distance Between Points

A practice problem is given to find the distance between coordinates using the distance formula.

Using the Least Common Denominator to Solve an Equation
00:36

Using the Least Common Denominator to Solve an Equation

Review of the procedure for solving equations that contain rational expressions.

Variables and the Greatest Common Factor
03:36

Variables and the Greatest Common Factor

To factor completely, the greatest common factor must include every number and variable that is a factor of each term in the polynomial. A demonstration of how variables can be a part of the greatest common factor.

Variation Problems
03:36

Variation Problems

A variation problem always involves two sets of information and two formulas. To solve a variation problem, a general formula is written from the variation statement. A specific formula can then be written with the const..

Verifying Right Triangles with the Pythagorean Theorem
01:08

Verifying Right Triangles with the Pythagorean Theorem

The Pythagorean Theorem can be used to determine whether a triangle is a right triangle, given the length of its sides.

Verifying Right Triangles with the Pythagorean Theorem Practice Problem
01:31

Verifying Right Triangles with the Pythagorean Theorem Practice Problem

The Pythagorean Theorem is used to verify that a triangle is a right triangle, which is important because it is not always possible to determine visually.

What is a Term?
01:13

What is a Term?

The definition of a term within an algebraic expression.

When Elimination and Substitution are Equally Convenient
01:05

When Elimination and Substitution are Equally Convenient

When a system of equations gives no clear direction toward either the substitution method or the elimination method, use the one you prefer.

When the Elimination Method is Easiest
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When the Elimination Method is Easiest

How to decide whether substitution or elimination is the better method for solving a system of equations when both equations are in the same form and neither has been solved for a variable.

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