Waec Mathematics Past Questions and Answers

Question 1666:

• WAEC 2016

Find the values of y for which the expression \(\frac{y^2 - 9y + 18}{y^2 + 4y - 21}\) is undefined

A. 6, -7
B. 3, -6
C. 3, -7
D. -3, -7

Question 1667:

• WAEC 2016

Given that 2x + y = 7 and 3x - 2y = 3, by how much is 7x greater than 10?

A. 1
B. 3
C. 7
D. 17

Question 1668:

• WAEC 2016

Simplify; \(\frac{2}{1 - x} - \frac{1}{x}\)

A. \(\frac{x + 1}{x(1 - x)}\)
B. \(\frac{3x - 1}{ x(1 - x)}\)
C. \(\frac{3x + 1}{ x(1 - x)}\)
D. \(\frac{x + 1}{ x(1 - x)}\)

Question 1669:

• WAEC 2016

Make s the subject of the relation: P = S + \(\frac{sm^2}{nr}\)

A. S = \(\frac{mrp}{nr + m^2}\)
B. S = \(\frac{nr + m^2}{mrp}\)
C. S = \(\frac{nrp}{mr + m^2}\)
D. S = \(\frac{nrp}{nr + m^2}\)

Question 1670:

• WAEC 2016

Factorize; (2x + 3y)² - (x - 4y)²

A. (3x - y)(x + 7y)
B. (3x + y)(2x - 7y)
C. (3x + y)(x - 7y)
D. (3x - y)(2x + 7y)