Waec Mathematics Past Questions

Question 1696

A curve is such that when y = 0, x = -2 or x = 3. Find the equation of the curve.

waec 2018

  • A. y = \(x^2 - 5x - 6\)
  • B. y = \(x^2 + 5x - 6\)
  • C. y = \(x^2 + x - 6\)
  • D. y = \(x^2 - x - 6\)
View Answer and Explanation

Question 1697

In the diagram, WXYZ is a rectangle with diamension 8cm by 6cm. P, Q, R and S are the midpoints of the rectangle as shown. Using this information calculate the area of the part of the rectangle that is not shaded

waec 2018

  • A. 25cm\(^2\)
  • B. 24cm\(^2\)
  • C. 16cm\(^2\)
  • D. 12cm\(^2\)
View Answer and Explanation

Question 1698

In the diagram, PS and RS are tangents to the circle centre O,

waec 2018

  • A. 110\(^o\)
  • B. 135\(^o\)
  • C. 165\(^o\)
  • D. 225\(^o\)
View Answer and Explanation

Question 1699

Make x the subject of the relation d = \(\sqrt{\frac{6}{x} - \frac{y}{2}}\)

waec 2017

  • A. x = \(\frac{6 + 12}{d^2 + y}\)
  • B. x = \(\frac{12}{d^2 - y}\)
  • C. x = \(\frac{12}{y} - 2d^2\)
  • D. x = \(\frac{12}{2d^2 + y}\)
View Answer and Explanation

Question 1700

Simplify the expression \(\frac{a^2 b^4 - b^2 a^4}{ab(a + b)}\)

waec 2017

  • A. \(a^2 - b^2\)
  • B. \(b^2 - a^2\)
  • C. \(a^2b - ab^2\)
  • D. \(ab^2 - a^2b\)
View Answer and Explanation