Unit 2 Review: Expressions, Equations, & Inequalities(Spiral)

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Front

Solve the equation: 5x + 15 = 10x - 40

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x = 11

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Front

In the expression 3w, what is 'w' known as?

Back

variable

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How would you write -5.6 x 10^-3 in standard form?

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-0.0056

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What is a coefficient in an algebraic expression?

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A coefficient is a numerical factor in a term of an expression.

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What is the difference between an equation and an expression?

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An equation states that two expressions are equal, while an expression does not.

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What does it mean to simplify an expression?

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To simplify an expression means to reduce it to its simplest form.

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What is the distributive property?

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The distributive property states that a(b + c) = ab + ac.

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What is an inequality?

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An inequality is a mathematical statement that compares two expressions using <, >, ≤, or ≥.