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Friday, 14 August 2026
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Mathematics Past Questions and Answers

Topic: Simultaneous equations including one linear one quadratic

Jamb Mathematics Questions - Simultaneous equations including one linear one quadratic

Question 1:
The solution of the equation x2 - 2x = 8 is
  • A X = 0 or 2
  • B X = -2 or 4
  • C X = 2
  • D X = -4
  • E X = 2 or 4
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Question 2:
Find the value of x and y in the simultaneous equation: 3x + y = 21; xy = 30
  • A X = 3 or 7, y = 12 or 8
  • B X = 6 or 1, y = 11 or 5
  • C X = 2 or 5, y = 15 or 6
  • D X = 1 or 5, y = 10 or 7
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Question 3:
Find the equation of the locus of a point A(x, y) which is equidistant from B(0, 2) and C(2, 1)
  • A 4x + 2y = 3
  • B 4x - 3y = 1
  • C 4x - 2y = 1
  • D 4x + 2y = -1
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Question 4:
Find the value of k in the equation: \(\sqrt{28} + \sqrt{112} - \sqrt{k} = \sqrt{175}\)
  • A \(\sqrt{28}\)
  • B 7
  • C 28
  • D \(\sqrt{7}\)
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Question 5:
Use the quadratic equation curve to answer this questions
What is the minimum value of the graph?
  • A -5.3
  • B 0.5
  • C 3
  • D 8
View Answer & Explanation