Algebramedium · Past Paper
The discriminant of (x+5)^2 = 0 is:
A0
B25
C10
D-25
✓ Correct Answer: A — 0
(x+5)^2 = x^2 + 10x + 25. D = 10^2 - 4(1)(25) = 100 - 100 = 0.
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