WAEC Mathematics Past Questions, Answers, And Explanations - Mathematics

Waec Mathematics Questions

Question 246:

Construct a quadratic equation whose roots are \(-\frac{1}{2}\) and 2.

Question 247:

Write as a single fraction \(\frac{1}{1 - x} + \frac{2}{1 + x}\)

A \(\frac{x + 3}{1 - x^2}\)
B \(\frac{3 - x}{(1 - x)^2}\)
C \(\frac{3 - x}{1 + x^2}\)
D \(\frac{3 - x}{(1 + x)^2}\)
E \(\frac{3 - x}{1 - x^2}\)

Question 248:

What must be added to the expression x\(^2\) - 18x to make it a perfect square?

Question 249:

Solve the equation \(\frac{m}{3} + \frac{1}{2} = \frac{3}{4} + \frac{m}{4}\)

Question 250:

The angle of a sector of a circle of radius 8cm is 240°. This sector is bent to form a cone. Find the radius of the base of the cone.