Mathematics 1989 Waec Past Questions and Answers

Question 6 :

• WAEC 1989

Evaluate, using logarithm tables \(\frac{5.34 \times 67.4}{2.7}\)

A. 1.332
B. 13.32
C. 133.2
D. 1332
E. 13.320

Question 7 :

• WAEC 1989

Factorize 35 - 2b - b²

A. (35-2b)(b-1)
B. (7+b)(5-b)
C. (3+7b)(5-b)
D. (35-b)(3b+7)
E. (7+b)(5+b)

Question 8 :

• WAEC 1989

Evaluate \(\frac{0.009}{0.012}\), leaving your answer in standard form.

A. 7.5 x 10²
B. 7.5 x 10¹
C. 7.5 x 10^-1
D. 7.5 x 10^-2
E. 7.5 x 10^-3

Question 9 :

• WAEC 1989

The graph above is that of a quadratic function y = 2x² - x - 6
The roots of the equation are

A. 1.5, 2
B. -1.5, 2
C. 1, -6
D. 1, 6
E. -1, 6

Question 10 :

• WAEC 1989

Factorize the following expression; 2x² + x - 15

A. (2x+5)(x-3)
B. (2x-5)(x+3)
C. (2x-5)(x-3)
D. (2x-3)(x+5)
E. (2x+5)(x+3)