Coordinate Geometry - Jamb Mathematics Past Questions and Answers

Question 11:

• JAMB 2017

Find the equation of the locus of a point p (x, y) such that pv = pw, where v= (1, 1) and w = (3, 5)

A. 2x + 2y = 9
B. 2x + 3y = 8
C. 2x + y = 9
D. X + 2y = 8

Question 12:

• JAMB 2018

A room is 12m long, 9m wide and 8m high. Find the cosine of the angle which a diagonal of the room makes with the floor of the room.

A. \(\frac{15}{17}\)
B. \(\frac{9}{17}\)
C. \(\frac{8}{15}\)
D. \(\frac{12}{17}\)

Question 13:

• JAMB 2018

Find the equation of the line through (5,7) parallel to the line 7x + 5y = 12

A. 5x + 7y = 20
B. 7x + 5y = 70
C. Xy = 7
D. 15x + 17y = 90

Question 14:

• JAMB 2017

In the diagram above MN is a chord of a circle KMN centre O and radius 10cm. If < MON = 140°, find, to the nearest cm, the length of the chord MN.

A. 10cm
B. 18cm
C. 17cm
D. 12cm

Question 15:

• JAMB 2016

If line p = 5x + 3 is parallel to line p = wx + 5. Find the value of w.

A. 7
B. 3
C. 6
D. 5