Question

Simplify:$-\sqrt{121y^2}$.

Short answer

The required answer is$-11y$.

Step-by-step solution

Step 1. Given information.

The given expression is:

$-\sqrt{121y^2}$

Step 2. Simplify the expression.

$-\sqrt{121y^2}$

Since ${\left(11y\right)}^2=121y^2$,

then, $-\sqrt{121y^2}=-11y$

Therefore, the value is$-11y$.