Waec Mathematics Past Questions and Answers

Question 131:

• WAEC 1990

the area shaded with vertical lines is the solution set of the inequalities;

A. Y ≤ x, y + 2x ≤ -3
B. Y ≥ x, y + 2x ≥ - 3
C. Y ≤ x, y < 2x - 3, x ≤ 3
D. Y ≤ -x, y ≤ 2x - 3, x ≤ 3
E. Y ≥ x, y + 2x ≥ 3, x ≤ 3

Question 132:

• WAEC 1990

In the diagram above, O is the center of the circle with radius 10cm, and ∠ABC = 30°. Calculate, correct to 1 decimal place, the length of arc AC [Take π = 22/7]

A. 5.2cm
B. 10.5cm
C. 13.2cm
D. 20.6cm
E. 31.4cm

Question 133:

• WAEC 1990

Factorize x\(^2\) + 4x - 192

A. (x-4) (x+48)
B. (x-48) (x+4)
C. (x-12) (x+16)
D. (x-12) (x-16)
E. (x+12) (x+16)

Question 134:

• WAEC 1990

Factorize 2e\(^2\) - 3e + 1

A. (2e-1) (e-1)
B. (e+1) (2e+1)
C. (2e+3) (e+2)
D. (2e-3) (e-1)
E. (e²-3(2e-1)

Question 135:

• WAEC 1990

Solve the equation 7y\(^2\) = 3y

A. Y = 3 or 7
B. Y = 0 or 7
C. Y = 0 or 3/7
D. Y = 0 or 9
E. Y = 0 or 10