Question

which choice is equivalent to the the expression
square root of -64

Answer 1

The equivalent expression of square root of -64 is 8i

How to determine the equivalent expression?

We have:

square root of -64

Rewrite as:

√-64

Expand

√64 * √-1

Take the square root of 64

8√-1

In complex numbers

√-1  = i

So, we have:

8i

Hence, the equivalent expression of square root of -64 is 8i

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