Unit 3 Flashcard Review Lessons 1-15

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Back

Front

Back

Front

Back

Step 2 is incorrect.

Front

What is the definition of a cube root?

Back

Front

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.

Front

What is the principle behind solving radical equations?

Back

The principle is to eliminate the radical by raising both sides of the equation to the power that corresponds to the root.

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Back

Front

What does it mean for an equation to have no real solution?

Back

An equation has no real solution if the operations lead to a contradiction, such as a negative number under an even root.

Front

What is the process to check the solution of an equation?

Back

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

Front

What is the definition of a radical equation?

Back

A radical equation is an equation in which a variable is contained within a radical (root) symbol.