What is the equation of the curve?

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Mathematics WAEC 2005

What is the equation of the curve?

  • \(y=x^2+6x+4\)
  • \(y=x^2-5x-4\)
  • \(y=x^2-5x+4\) checkmark
  • \(y=x^2+5x-4\)

The correct answer is: C

Explanation

The factor for the curve are (x-1)(x-4). The product off the curves gives \(=x^2-5x+4=y\)
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