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Mathematics Past Questions and Answers

Waec Mathematics Questions

Question 16:
If sinθ = 3/5 find tanθ for 0 < θ < 90o
  • A 4\5
  • B 3\4
  • C 5\8
  • D 1\2
  • E 3\8
View Answer & Explanation
Question 17:
Simplify (271/3)2
  • A 41/2
  • B 6
  • C 9
  • D 18
  • E 81
View Answer & Explanation
Question 18:
A student told to draw the graph of y = x2 + 4x - 6. He is then told to draw a liner graph on the same axis such that the intersection of the two graphs will give the solutions to the equation x2 + 4x - 7 = 0, What is the equation of the linear graph he needs to draw?
  • A X = 1
  • B X = -1
  • C Y = 1
  • D Y = -1
  • E X + y = 1
View Answer & Explanation
Question 19:
Calculate the value of x in the diagram above
  • A 18o
  • B 30o
  • C 40o
  • D 60o
  • E 15°
View Answer & Explanation
Question 20:
Find the quadratic equation whose roots are x = -2 or x = 7
  • A X2 + 2x - 7 = 0
  • B X2 - 2x + 7 = 0
  • C X2 + 5 +14 = 0
  • D X2 - 5x - 14 = 0
  • E X2 + 5x - 14 = 0
View Answer & Explanation