Algebraeasy · Past Paper

If x = 1 is a root of x^2 + mx - 5 = 0, find m.

A4
B-4
C6
D-6

✓ Correct Answer: A4

1^2 + m(1) - 5 = 0 => 1 + m - 5 = 0 => m = 4.

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