Question

Solve the equation. Select all that apply.

x2 = 121
A. x = 11
B. x = 21
C. x = 61
D. x = –11
E. x = –21
HELP ASAP

Answer 1

A. x = 11

D. x = –11

Explanation:

`{x}^(2) = 121 \\ \\ x = \pm √(121) \\ \\ x = \pm \: 11 \\ x = 11 \: \: or \: \: x = - 11 \\ \\`