Jamb Mathematics 2012 Past Questions and Answers

Question 26:

• JAMB 2012

The locus of a point equidistant from the intersection of lines 3x - 7y + 7 = 0 and 4x - 6y + 1 = 0 is a

A. Line parallel to 7x + 13y + 8 = 0
B. Circle
C. Semicircle
D. Bisector of the line 7x + 13y + 8 = 0

Question 27:

• JAMB 2012

The gradient of the straight line joining the points P(5, -7) and Q(-2, -3) is

A. \(\frac{1}{2}\)
B. \(\frac{2}{5}\)
C. \(-\frac{4}{7}\)
D. \(-\frac{2}{3}\)

Question 28:

• JAMB 2012

The distance between the point (4, 3) and the intersection of y = 2x + 4 and y = 7 - x is

A. \(\sqrt{13}\)
B. \(3\sqrt{2}\)
C. \(\sqrt{26}\)
D. \(10\sqrt{5}\)

Question 29:

• JAMB 2012

Find the equation of the line through the points (-2, 1) and (-\(\frac{1}{2}\), 4)

A. Y = 2x - 3
B. Y = 2x + 5
C. Y = 3x - 2
D. Y = 2x + 1

Question 30:

• JAMB 2012

If angle \(\theta\) is 135o, evaluate cos\(\theta\)

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