Waec Mathematics Past Questions and Answers

Question 1116:

• WAEC 2007

I am x years old and my brother is 3 years older. How old was my brother last year?

A. (x - 4)years
B. (x + 2) years
C. (3x - 10years
D. (3x + 1)years

Question 1117:

• WAEC 2007

For what value of x is the expression \(\frac{2x - 1}{x + 3}\) not defined?

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

Question 1118:

• WAEC 2007

If x = 3, Y = 2 and z = 4, what is the value of 3x² - 2y + z?

A. 17
B. 27
C. 35
D. 71

Question 1119:

• WAEC 2007

Solve the simultaneous equations x + y = 2 and 3x - 2y = 1

A. X = 2 and y = 1
B. X = 1 and y = 1
C. X = 1 and y = 2
D. X = -1 and y = 1

Question 1120:

• WAEC 2007

If 8^x-1 = \(\frac{1}{4}\), find x

A. -\(\frac{-5}{3}\)
B. -1
C. -\(\frac{1}{3}\)
D. \(\frac{1}{3}\)