Mathematics 1993 Waec Past Questions and Answers

Question 11 :

• WAEC 1993

Solve the equation x\(^2\) - 2x - 3 = 0

A. (-3, 1)
B. (-1, -3)
C. (3,1)
D. (43, 0)
E. (-1, 3).

Question 12 :

• WAEC 1993

Write as a single fraction: \(\frac{5}{6r} - \frac{3}{4r}\)

A. R/12
B. 12/r
C. 1/6r
D. R/6
E. 1/12r

Question 13 :

• WAEC 1993

Factorize 2x\(^2\) - 21x + 45

A. (2x - 9)(x - 5)
B. (2x-15)(x + 3)
C. (2x +15)(x - 3)
D. (2x -15(x - 3)
E. (2x - 9)(x + 5)

Question 14 :

• WAEC 1993

Solve the simultaneous equations y = 3x; 4y - 5x =14

A. .-2,-6
B. 2,6
C. 2,-6
D. -2,6
E. -1,-3

Question 15 :

• WAEC 1993

A sector of a circle of radius 9cm subtends angle 120° at the centre of the circle.

Find the area of the sector to the nearest cm\(^2\) [Take π = 22/7]

A. 75cm²
B. 84cm²
C. 85cm²
D. 86cm²
E. 95cm²