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13 September, 07:13

1) Solve x² = 16 for x.

A. - 3

B. 3

C. ±3

D. ±8

+5
Answers (2)
  1. 13 September, 09:00
    0
    x = ±4

    Step-by-step explanation:

    x² = 16

    Take the square root of each side

    sqrt (x^2) = ±sqrt (16)

    x = ±4
  2. 13 September, 10:45
    0
    Answer:It is 3
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