What is the smaller value of x for which x2 - 3x + 2= 0?
MATHEMATICS
WAEC 1995
What is the smaller value of x for which x2 - 3x + 2= 0?
- A. 1
- B. 2
- C. 3
- D. 4
Correct Answer: A. 1
Explanation
x\(^2\) - 3x + 2 = 0
x\(^2\) - 2x - x + 2 = 0
x(x - 2) - 1(x - 2) = 0
(x - 2)(x - 1) = 0
x = 1 or 2. The smaller value of x = 1.
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