Waec Mathematics 2015 Past Questions and Answers

Question 6:

• WAEC 2015

Find the 7^th term of the sequence: 2, 5, 10, 17, 6,...

A. 37
B. 48
C. 50
D. 63

Question 7:

• WAEC 2015

Given that log_x 64 = 3, evaluate x log₈

A. 6
B. 9
C. 12
D. 24

Question 8:

• WAEC 2015

If 2ⁿ = y, Find 2\(^{(2 + \frac{n}{3})}\)

A. 4y\(^\frac{1}{3}\)
B. 4y\(^-3\)
C. 2y\(^\frac{1}{3}\)
D. 2y\(^-3\)

Question 9:

• WAEC 2015

Factorize completely: 6ax - 12by - 9ay + 8bx

A. (2a - 3b)(4x + 3y)
B. (3a + 4b)(2x - 3y)
C. (3a - 4b)(2x + 3y)
D. (2a + 3b)(4x -3y)

Question 10:

• WAEC 2015

Find the equation whose roots are \(\frac{3}{4}\) and -4

A. 4x² - 13x + 12 = 0
B. 4x² - 13x - 12 = 0
C. 4x² + 13x - 12 = 0
D. 4x² + 13x + 12 = 0