Parallel and perpendicular lines - Jamb Mathematics Past Questions and Answers

Question 6:

• JAMB 1992

What is the perpendicular distance of a point (2, 3) from the line 2x - 4y + 3 = 0?

A. \(\frac{\sqrt{5}}{2}\)
B. \(\frac{\sqrt{5}}{20}\)
C. \(\frac{5}{\sqrt{13}}\)
D. 6

Question 7:

• 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 8:

• 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 9:

• JAMB 2001

Find the value of P if the line joining (P, 4) and (6, -2) is perpendicular to the line joining (2, P) and (-1, 3).

A. 4
B. 6
C. 3
D. O

Question 10:

• JAMB 2002

Find the equation of the set of points which are equidistant from the parallel lines x = 1 and x = 7

A. Y = 3
B. X = 3
C. X = 4
D. Y = 4