Roots & Equations with Exponents Review

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What is a real solution in the context of equations?

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A real solution is a value that satisfies an equation and is a real number, meaning it can be found on the number line.

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CCSS.8.EE.A.2

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None, because the square root of a negative number is not a real number.

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CCSS.HSN.CN.A.1

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CCSS.8.EE.A.2

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What is a perfect square?

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A perfect square is a number that can be expressed as the square of an integer.

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CCSS.8.EE.A.2

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Which of the following is a perfect square: 36, 39, 89, 11?

Back

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CCSS.8.EE.A.2

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CCSS.8.EE.A.2

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Approximately 7.8.

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CCSS.8.NS.A.2

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What is the square root of a number?

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The square root of a number is a value that, when multiplied by itself, gives the original number.

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CCSS.8.EE.A.2

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CCSS.8.EE.A.2

Front

What is the definition of an exponent?

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An exponent indicates how many times a number (the base) is multiplied by itself.

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CCSS.6.EE.A.1