Question

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. Release your mouse button when the item is place. If you change your mind, drag the item to the trashcan. Click the trashcan to clear all your answers.
Evaluate x-2 for x = -3.

Answer 1

Evaluate: x⁻² for x = -3

The negative sign of the exponent signifies that the number is a denominator with 1 as the numerator.

The number is in negative form, it becomes a positive number because it is squared. negative number times negative number equals positive number.

x⁻² where x = -3 ⇒⇒   -3⁻² = 1/-3² = 1/9