Question on: WAEC Mathematics - 2001
The graph of the curve \(y = 2x^2 - 5x - 1\) and a straight line PQ were drawn to solve the equation \(2x^2 - 5x + 2 = 0\)
What is the equation of the straight line PQ?
A
y = -1
B
y = 1
C
y = 3
D
y = -3
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Correct Option: D
Let the straight line PQ = y
2x\(^2\) - 5x - 1 - y = 2x\(^2\) - 5x + 2
y = 2x\(^2\) - 5x - 1 - 2x\(^2\) + 5x - 2
y = -3
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