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The graph of the function y = x\(^2\) + 4 and a straight line PQ...

Mathematics
JAMB 2003

The graph of the function y = x\(^2\) + 4 and a straight line PQ are drawn to solve the equation x\(^2\) - 3x + 2 = 0. What is the equation of PQ?

  • A. y = 3x - 2
  • B. y = 3x + 2
  • C. y = 3x - 4
  • D. y = 3x + 4
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Correct Answer: Option B
Explanation

x\(^2\) + 4 = x\(^2\) - 3x + 2
3x + 2 = y


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