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General Information
Related Benchmark: MAFS.912.N-RN.1.2
Reporting Category: Number & Quantity: The Real Number System
Type: MC: Multiple Choice
Difficulty: N/A
Question:

Jeremy determines that begin mathsize 12px style square root of 9 equals 9 to the power of 1 half end exponent end style. Part of his work is shown.

begin mathsize 12px style square root of 9 equals 3 equals 3 to the power of 1 equals 3 to the power of 1 half end exponent plus 3 to the power of 1 half end exponent equals 9 to the power of 1 half end exponent end style

Which expression or equation should be placed in the blank to correctly complete Jeremy's work?

Answer Options:

A. begin mathsize 12px style left parenthesis 3 squared right parenthesis to the power of 1 end style

B. begin mathsize 12px style 3 to the power of 1 half end exponent plus 3 to the power of 1 half end exponent end style

C. begin mathsize 12px style 3 to the power of 1 half end exponent times 3 to the power of 1 half end exponent equals left parenthesis 3 times 3 right parenthesis to the power of 1 half end exponent end style

D. begin mathsize 12px style 3 to the power of 1 half end exponent times 3 to the power of 1 half end exponent equals left parenthesis 3 times 3 right parenthesis to the power of 1 half plus 1 half end exponent end style

Answer Key:
C