Search SchoolNGR

Monday, 22 June 2026
Register . Login

Mathematics Past Questions and Answers

Topic: Polynomials

Jamb Mathematics Questions - Polynomials

Question 126:
The expression ax2 + bx + c equals 5 at x = 1. If its derivative is 2x + 1, what are the values of a, b, c respectively?
  • A 1, 3, 1
  • B 1, 2, 1
  • C 2, 1, 1
  • D 1, 1, 3
View Answer & Explanation
Question 127:
If two graphs y = px\(^2\) + q and y = 2x\(^2\) -1 intersect at x = 2, find the value of p in terms q.
  • A \(\frac{q-8}{7}\)
  • B \(\frac{7-q}{4}\)
  • C \(\frac{8-q}{2}\)
  • D \(\frac{7+q}{8}\)
View Answer & Explanation
Question 128:
If dy/dx = 2x - 3 and y = 3 when x = 0, find y in terms of x.
  • A 2x<sup style='font-size: smaller;'>2</sup> - 3x
  • B X<sup style='font-size: smaller;'>2</sup> - 3x
  • C X<sup style='font-size: smaller;'>2</sup> - 3x - 3
  • D X<sup style='font-size: smaller;'>2</sup> - 3x + 3
View Answer & Explanation
Question 129:
Solve for x in the equation x\(^3\) - 5x\(^2\) - x + 5 = 0
  • A 1, - 1, or 5
  • B 1, 1, or -5
  • C -1, 1, or -5
  • D 1, 1, or 5
View Answer & Explanation
Question 130:
Find the maximum value of y in the equation y = 1 - 2x - 3x\(^2\)
  • A 5/4
  • B 5/3
  • C 3/4
  • D 4/3
View Answer & Explanation