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

asked Jul 20, 2021 153k views

3 votes

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

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3 votes

Answer:

A. x = 11

D. x = –11

Explanation:

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

Nerdfest answered Jul 25, 2021

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