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JAMB Mathematics 2020 Objective — Question 14

Question 14 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2020 Objective paper, with the correct answer and a full explanation.

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Given that x+1 is a factor of the polynomial 5x^2-4px+3, the value of P is

  • A. -1/2
  • B. -2Correct
  • C. 2
  • D. 1/2

Explanation

By the factor theorem, f(-1)=0: 5(1)+4p+3=0, 4p=-8, p=-2.

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