Question

Evaluate the algebraic expression for the given value of the variable.x²-16; x = -3

Answer 1

We have to evaluate the expression x² - 16 when x = -3.

To do that we replace x with its value, -3, and calculate:

`\begin{gathered} x^2-16 \\ (-3)^2-16 \\ 9-16 \\ -7 \end{gathered}`

Answer: -7