Waec Mathematics Past Questions For Year 2018
Question 16
The equation of the line through the points (4,2) and (-8, -2) is 3y = px + q, where p and q are constants. Find the value of p.
- A. 1
- B. 2
- C. 3
- D. 9
Question 17
If M and N are the points (-3, 8) and (5, -7) respectively, find |MN|
- A. 8 units
- B. 11 units
- C. 15 units
- D. 17 units
Question 18
The angles of a polygon are x, 2x, 2x, (x + \(30^o\)), (x + \(20^o\)) and (x - \(10^o\)). Find the value of x
- A. \(45^o\)
- B. \(95^o\)
- C. \(84^o\)
- D. \(85^o\)
Question 19
Factorise completely the expression
\((x + 2)^2\) - \((2x + 1)^2\)
- A. (3x + 2)(1 - x)
- B. (3x + 2)(2x + 1)
- C. 3\((x + 2)^2\)
- D. 3(x + 1)(1 - x)
Question 20
Solved the equation \(2x^2 - x - 6\) = 0
- A. x = \(\frac{-3}{2}\) or 2
- B. x = -2 or \(\frac{3}{2}\)
- C. x = -3 or 2
- D. x = 3 or -2