Coordinate Geometry - Jamb Mathematics Past Questions and Answers

Question 81:

• JAMB 2007

What is the value of k if the mid-point of the line joining (1 - k, - 4) and (2, k + 1) is (-k , k)?

A. -3
B. -1
C. -4
D. -2

Question 82:

• JAMB 2008

The locus of a point equidistant from two points p(6,2) and R(4,2) is a perpendicular bisector of PR passing through

A. (2,5)
B. (5,2)
C. (1,0)
D. (0,1)

Question 83:

• JAMB 2008

Find the gradient of a line which is perpendicular to the line with the equation 3x + 2y + 1 = 0

A. ³/₂
B. ²/₃
C. -²/₃
D. -³/₂

Question 84:

• JAMB 2008

Calculate the distance between points L(-1, -6) and M(-3, -5)

A. √5
B. 2√3
C. √20
D. √50

Question 85:

• JAMB 2009

What is the locus or the mid-point of all the chords of length 6cm with circle of radius 5cm and with center 0?

A. A circle of radius 4 cm and the center 0
B. The perpendicular bisector of the chords
C. A straight line passing through 0
D. A circle of radius 6 cm and with center 0