Proportions and Equations

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you solve a proportion?

Back

To solve a proportion, you can cross multiply the terms.

Front

What is the cross multiplication method?

Back

Cross multiplication involves multiplying the numerator of one ratio by the denominator of the other ratio.

Front

Back

4

Front

What does it mean if two ratios are in proportion?

Back

It means that the two ratios represent the same relationship or value.

Front

Back

26

Front

What is the solution to the equation 3x + 15 = 3(x + 5)?

Back

All Real Numbers

Front

What is the first step in solving the equation -(n - 8) = -2?

Back

Add 8 to both sides to isolate n.

Front

Solve: -(n - 8) = -2

Back

10

Front

What is the definition of a variable in an equation?

Back

A variable is a symbol used to represent an unknown value.