Algebraeasy · Past Paper
Find the roots of the equation x^2 - 16 = 0.
A4, 4
B-4, -4
C4, -4
D16, -16
✓ Correct Answer: C — 4, -4
x^2 = 16 implies x = ±√16, so x = 4 or -4.
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✓ Correct Answer: C — 4, -4
x^2 = 16 implies x = ±√16, so x = 4 or -4.
Share this question