Algebra Terminology

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable in an algebraic expression.

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Back

The coefficient of 'a' is -2.

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What is a constant in algebra?

Back

A constant is a fixed value that does not change, such as 15 or -15.

Front

Which of the following is NOT a constant: 4n, 15, -15, 1?

Back

4n is NOT a constant.

Front

True or False: In the expression -4x + 2, the coefficient of x is 4.

Back

False, the coefficient of x is -4.

Front

What is an equation?

Back

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What is an expression in algebra?

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An expression is a combination of numbers, variables, and operators without an equality sign.

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Define a variable in algebra.

Back

A variable is a letter that represents a number in an expression or equation.

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What does it mean to solve an equation?

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

Front

What is the difference between an expression and an equation?

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An expression does not have an equality sign, while an equation does.