Unit 4 Test

Front

What is the process to clear fractions in an equation?

Back

To clear fractions, multiply every term in the equation by the least common denominator (LCD) of all the fractions present.

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Back

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Back

The LCD is 12.

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How do you isolate a variable in an equation?

Back

To isolate a variable, perform inverse operations to both sides of the equation until the variable is alone on one side.

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Back

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What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and reduce it to its simplest form.

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What is a linear equation?

Back

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What is the definition of a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value in mathematical expressions or equations.

Front

How do you check if a solution is correct for an equation?

Back

Substitute the solution back into the original equation to see if both sides are equal.