Equations of straight lines - Jamb Mathematics Past Questions and Answers

Question 21:

• 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 22:

• JAMB 2007

If the lines 2y - kx + 2 = 0 and y + x - ^k/₂ = 0 Intersect at (1, -2), find the value of k

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

Question 23:

• JAMB 2007

Find the locus of point equidistant from two straight lines y - 5 = 0 and y - 3 = 0

A. Y - 2 = 0
B. Y - 4 = 0
C. Y - 1 = 0
D. Y - 3 = 0

Question 24:

• JAMB 2011

Find the equation of a line perpendicular to line 2y = 5x + 4 which passes through (4, 2).

A. 5y - 2x -18 = 0
B. 5y + 2x - 18 = 0
C. 5y - 2x + 18 = 0
D. 5y + 2x - 2 = 0

Question 25:

• 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