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.
- A. y = \(x^2 - 5x - 6\)
- B. y = \(x^2 + 5x - 6\)
- C. y = \(x^2 + x - 6\)
- D. y = \(x^2 - x - 6\)
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
- A. 25cm\(^2\)
- B. 24cm\(^2\)
- C. 16cm\(^2\)
- D. 12cm\(^2\)
Question 1698
In the diagram, PS and RS are tangents to the circle centre O,
- A. 110\(^o\)
- B. 135\(^o\)
- C. 165\(^o\)
- D. 225\(^o\)
Question 1699
Make x the subject of the relation d = \(\sqrt{\frac{6}{x} - \frac{y}{2}}\)
- A. x = \(\frac{6 + 12}{d^2 + y}\)
- B. x = \(\frac{12}{d^2 - y}\)
- C. x = \(\frac{12}{y} - 2d^2\)
- D. x = \(\frac{12}{2d^2 + y}\)
Question 1700
Simplify the expression \(\frac{a^2 b^4 - b^2 a^4}{ab(a + b)}\)
- A. \(a^2 - b^2\)
- B. \(b^2 - a^2\)
- C. \(a^2b - ab^2\)
- D. \(ab^2 - a^2b\)