Question

What is the value of this expression when w = -5? w^2 + 3w − 11

Answer 1

Given:

$\text{ The expression }w^2+3w-11.$

Required:

What is the value of expression at w = -5?

Explanation:

We will put w = -5 in place of w in expression

$\begin{gathered} =-w^2+3w-11 \\ \text{ At }w=-5 \\ =(-5)^2+3(-5)-11 \\ =25-15-11 \\ =25-26 \\ =-1 \end{gathered}$

Answer:

The value at w = -5 equal -1.