Semester 1 Exam

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5

Front

The letter in an algebraic expression is the

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variable

Front

How many terms are in the expression 2m - n + 7?

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3

Front

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-1

Front

Simplify 3(x - 5) + 8x + 1

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11x - 14

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What is the absolute value of a number?

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The distance of the number from zero on the number line, always non-negative.

Front

Define a variable in algebra.

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A symbol used to represent an unknown value.

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What is a term in an algebraic expression?

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A single mathematical expression that can be a number, variable, or the product of both.

Front

What is a coefficient?

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A numerical factor in a term of an algebraic expression.

Front

What does it mean to simplify an expression?

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To reduce it to its simplest form by combining like terms and performing operations.