Nth Roots and Radicals

Find the indicated real n^th root(s) of a. n = 4, a = 256

• -4

• 4

• ±4

• no real roots

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Simplify.

Find the indicated real n^th root(s) of a. n = 6, a = −729

• 3

• -3

• ±3

• no real roots

Evaluate

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Solve for x, (x − 5)⁴ = 256

• x = 9

• x = 1

• x = 1 and x = 9

• x = -1 and x = -9

Simplify

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Simplify

• ³√54

• 9 ³√2

• 3 ³√2

• 3 ³√3

• 17√2
• 9√1
• 9
• 9√2

Simplify.

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