WPHS Formative Practice: Solving Proportion Equations

Front

What is a proportion?

Back

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

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How do you solve a proportion equation?

Back

To solve a proportion equation, cross-multiply the terms and then isolate the variable.

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Back

6.67

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Back

7

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9.6

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-36

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Back

26

Front

What is cross-multiplication in proportions?

Back

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

Front

What does it mean to isolate a variable?

Back

Isolating a variable means rearranging the equation so that the variable is on one side and all other terms are on the other side.

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Back

Cross-multiply to get: 3(x+1) = 2(x+5).