Question

Use complete sentences to explain why there is no real number that is equal to .√-1

Answer 1

there is no number than can be multiplied by itself it give a negative answer.

Explanation:

Eg. 1 X 1 = 1

-1 X -1 = 1

Answer 2

This is because √-1 is i, which is an extension of real numbers called complex numbers.

Explanation:

A real number is one that can be expressed in decimal form.Real numbers are those that appear on the number line.In mathematics, √-1 is i which is an extension of real numbers to represent complex numbers.