Algebraeasy · Past Paper
What is the value of 'a' if x=1 is a zero of x^2 + ax - 2?
A1
B-1
C0
D2
✓ Correct Answer: A — 1
1^2 + a(1) - 2 = 0 implies 1 + a - 2 = 0, so a - 1 = 0, a = 1.
Share this question
✓ Correct Answer: A — 1
1^2 + a(1) - 2 = 0 implies 1 + a - 2 = 0, so a - 1 = 0, a = 1.
Share this question