Question

Simplify: the square root of a^2

A. a^2
B. a^4
C. a
D. the square root of a

Answer 1

Assuming 'a' is nonnegative,

\[\Large \sqrt{a^2}=a\]


So choice C

Answer 2

Note: the square root "undoes" the squaring function

Answer 3

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Answer 4

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