Question 96:

• WAEC 2016

Points E(-2, -1) and F(3, 2) are the ends of the diameter of a circle. Find the equation of the circle.

A. \(x^{2} + y^{2} - 5x + 3 = 0\)
B. \(x^{2} + y^{2} - 2x - 6y - 13 = 0\)
C. \(x^{2} + y^{2} - x + 5y - 6 = 0\)
D. \(x^{2} + y^{2} - x - y - 8 = 0\)

Question 97:

• WAEC 2016

The lines \(2y + 3x - 16 = 0\) and \(7y - 2x - 6 = 0\) intersect at point P. Find the coordinates of P.

A. (4, 2)
B. (4, -2)
C. (-4, 2)
D. (-4, -2)

Question 98:

• WAEC 2016

Find the fourth term in the expansion of \((3x - y)^{6}\).

A. \(-540x^{3}y^{3}\)
B. \(-540x^{4}y^{2}\)
C. \(-27x^{3}y^{3}\)
D. \(540x^{4}y^{2}\)

Question 99:

• WAEC 2016

The 3rd and 6th terms of a geometric progression (G.P.) are \(\frac{8}{3}\) and \(\frac{64}{81}\) respectively, find the common ratio.

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

Question 100:

• WAEC 2016

Given that \(-6, -2\frac{1}{2}, ..., 71\) is a linear sequence , calculate the number of terms in the sequence.

A. 20
B. 21
C. 22
D. 23