Algebraeasy · Past Paper
If P(x) = x^2 - 4, which of these is a root?
A1
B2
C0
D4
✓ Correct Answer: B — 2
A root makes P(x) = 0. 2^2 - 4 = 4 - 4 = 0.
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✓ Correct Answer: B — 2
A root makes P(x) = 0. 2^2 - 4 = 4 - 4 = 0.
Share this question