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

Answer:

A. x = 11

D. x = –11

Step-by-step explanation:

${x}^{2} = 121 \\ \\ x = \pm \sqrt{121} \\ \\ x = \pm \: 11 \\ x = 11 \: \: or \: \: x = - 11$