Coordinate Geometry - Jamb Mathematics Past Questions and Answers

Question 71:

• JAMB 2003

Find the equation of the locus of a point P(x,y) which is equidistant from Q(0,0) and R(2,1).

A. 4x + 2y = 5
B. 4x - 2y = 5
C. 2x + 2y = 5
D. 2x + y = 5

Question 72:

• JAMB 2003

A triangle has vertices P(-1,6), Q(-3, -4) and R(1, -4).Find the midpoint of PQ and QR respectively.

A. (0,-2) and (-1, -4)
B. (-1,0) and (-1,-1)
C. (-2,1) and (0,1)
D. (-2,1) and (-1,-4)

Question 73:

• JAMB 2004

Find the value of α² + β² if α + β = 2 and the distance between points (1, α) and (β, 1)is 3 units

A. 14
B. 3
C. 5
D. 11

Question 74:

• JAMB 2004

Find the midpoint of the line joining P(-3, 5) and Q(5, -3).

A. (1, 1)
B. (2, 2)
C. (4, 4)
D. (4, -4)

Question 75:

• JAMB 2005

Find the equation of the perpendicular at the point (4,3) to the line y + 2x = 5

A. 2y - x = 4
B. Y + 2x = 3
C. Y + 2x = 5
D. 2y - x = 2