Waec Mathematics Past Questions For Year 1998
Question 1
Cos x is negative and sin x is negative.Which of the following is true of x?
- A. 0o < x < 90o
- B. 90o < x <180o
- C. 180o < x < 270o
- D. 270o < x <360o
- E. -90o < x <90o
Question 2
If log\(_{10}\) q = 2.7078, what is q?
- A. 5102
- B. 849.9
- C. 510.2
- D. 84.99
- E. 51.02
Question 3
What value of k makes the given expression a perfect square ? m\(^2\) - 8m + k = 0
- A. 2
- B. 4
- C. 8
- D. 16
- E. 64
Question 4
Find the root of the equation 2x\(^2\) - 3x - 2 = 0
- A. x = -2 or 1/2
- B. x = -2 or1
- C. x = -2 or 2
- D. x = -1 or 2
- E. x = -1/2 or 2
Question 5
When an aeroplane is 800m above the ground, its angle of elevation from a point P on the ground is 30o. How far is the plane from P by line of sight?
- A. 400m
- B. 800m
- C. 1500m
- D. 1600m
- E. 1700m
