Question

Which choices are equivalent to the expression below? Check all that apply

Answer 1

The expression which is equivalent to √(-9) is 3i.

What is Complex number?

A complex number is the sum of a real number and an imaginary number. A complex number is of the form a + ib and is usually represented by z.

Here, given expression;

    y = √(-9)

    y = √9 X √(-1)

   y = 3√(-1)

   y = 3i

Thus, the expression which is equivalent to √(-9) is 3i.

Learn more about Complex number from:

brainly.com/question/10251853

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