Waec Mathematics 1998 Past Questions and Answers

Question 1:

• WAEC 1998

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 2:

• WAEC 1998

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 3:

• WAEC 1998

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:

• WAEC 1998

If log\(_{10}\) q = 2.7078, what is q?

A. 5102
B. 849.9
C. 510.2
D. 84.99
E. 51.02

Question 5:

• WAEC 1998

Cos x is negative and sin x is negative.Which of the following is true of x?

A. 0^o < x < 90^o
B. 90^o < x o
C. 180^o < x < 270^o
D. 270^o < x o
E. -90^o < x o