Mathematics 2013 Waec Past Questions and Answers

Question 21 :

• WAEC 2013

If 2 log x (3\(\frac{3}{8}\)) = 6, find the value of x

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

Question 22 :

• WAEC 2013

If p = (y : 2y \(\geq\) 6) and Q = (y : y -3 \(\geq\) 4), where y is an integer, find p\(\cap\)Q

A. {3, 4}
B. {3, 7}
C. {3, 4, 5, 6, 7}
D. {4, 5, 6}

Question 23 :

• WAEC 2013

Find the values of k in the equation 6k² = 5k + 6

A. {\(\frac{-2}{3}, \frac{-3}{2}\)}
B. {\(\frac{-2}{3}, \frac{3}{2}\)}
C. {\(\frac{2}{3}, \frac{-3}{2}\)}
D. {\(\frac{2}{3}, \frac{3}{2}\)}

Question 24 :

• WAEC 2013

If y varies directly s the square root of (x + 1) and y = 6 when x = 3, find x when y = 9

A. 8
B. 7
C. 6
D. 5

Question 25 :

• WAEC 2013

The graph of the relation y = x2 + 2x + k passes through the point (2, 0). Find the values of k

A. Zero
B. -2
C. -4
D. -8