Question

Which values are solutions to the inequality below?

Check all that apply.

x2 < 81
-

A. -20
B. -9
C. 0
D. 4
E. 9
F. 15

Answer 1

Okay, so basically you want a number squared to be LESS THAN 81, so which values on your list, when squared, are going to be LESS than 81?

Answer 2

D C B A

Answer 3

Correct! :)