Chapter 4 Test Review: Equations and Inequalities

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables.

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What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

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What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions and shows that one is greater than, less than, or not equal to the other.

Front

What does it mean to solve an inequality?

Back

To solve an inequality means to find the range of values for the variable that makes the inequality true.

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Back

Add 6 to both sides to isolate y.

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Back

Front

How do you isolate a variable in an equation?

Back

You perform inverse operations to both sides of the equation until the variable is alone on one side.

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Back

The solution includes all values of m that are less than or equal to -9.

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What does the symbol '≥' mean in inequalities?

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The symbol '≥' means 'greater than or equal to'.

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Back

The solution includes all values of a that are greater than 6.