Question

find all real square roots of 121. if there is more than one answer, separate them with commas. if there are none, click on
one\.

Explanation:

Step1: Recall square root definition

A real square root of a number \( x \) is a number \( y \) such that \( y^2 = x \). For positive \( x \), there are two real square roots: positive and negative.

Step2: Find square roots of 121

We know that \( 11^2 = 121 \) and \( (-11)^2 = 121 \), so the real square roots of 121 are 11 and -11.

Answer:

-11, 11