alleryStart learning →For real x ≠ 0, which are all solutions of x^-2 = 4?
A-1/2 and 1/2
B1/2 alone
C-1/2 alone
D-2 and 2
Answer & Solution
Correct answer: A. -1/2 and 1/2
The equation gives x squared equal to one quarter, so both positive and negative one half satisfy it.
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