Math 8 2nd Quarter Interim Practice

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Back

x = 48

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Back

x = -3

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Solve the inequality: 30 + n ≥ 50

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n ≥ 20

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Solve for x: 5x - 5 + x + 11 = -42

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x = -8

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Back

x = -3

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What is the definition of a variable in algebra?

Back

A symbol used to represent an unknown value.

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What is the distributive property?

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a(b + c) = ab + ac

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x = 7

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What does it mean to isolate a variable?

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To manipulate an equation to get the variable on one side by itself.

Front

What is the definition of an inequality?

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A mathematical statement that compares two expressions using <, >, ≤, or ≥.