Coordinate Geometry - Jamb Mathematics Past Questions and Answers

Question 51:

• JAMB 1994

The equation of the line in the graph is

A. 3y = 4x + 12
B. 3y = 3x + 12
C. 3y = -4x + 12
D. 3y = -4x + 9

Question 52:

• JAMB 1995

Find the distance between two towns P(45°N, 30°W) and Q(15°S, 30°W) if the radius of the earth is 7000km. [\(\pi = \frac{22}{7}\)]

A. \(\frac{1100}{3}\)km
B. \(\frac{2200}{3}\)km
C. \(\frac{22000}{3}\)km
D. \(\frac{1100}{3}\)km

Question 53:

• JAMB 1995

Two perpendicular lines PQ and QR intersect at (1, -1). If the equation of PQ is x - 2y + 4 = 0, find the equation of QR

A. X + 2y - 1= -0
B. 2x + y - 3 = 0
C. X - 2y - 3 = 0
D. 2x + y - 1 = 0

Question 54:

• JAMB 1995

For what value of x is the tangent to the curve y = x\(^2\) - 4x + 3 parallel to the x-axis?

A. 3
B. 2
C. 1
D. 6

Question 55:

• JAMB 1995

Two perpendicular lines PQ and QR intersect at (1, -1). If the equation of PQ is x - 2y + 4 = 0, find the equation of QR

A. X + 2y - 1= -0
B. 2x + y - 3 = 0
C. X - 2y - 3 = 0
D. 2x + y - 1 = 0