Algebraeasy · Past Paper
If α and β are the roots of x^2 + bx + c = 0, then α + β equals:
Ab
B-b
Cc
D-c
✓ Correct Answer: B — -b
In x^2 + bx + c = 0, the coefficient a is 1, so sum of roots is -b/1 = -b.
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✓ Correct Answer: B — -b
In x^2 + bx + c = 0, the coefficient a is 1, so sum of roots is -b/1 = -b.
Share this question