Gradient - Jamb Mathematics Past Questions and Answers

Question 1:

• JAMB 1979

The mean of the numbers 1.2, 1.0, 0.9, 1.4, 0.8, 0.8, 1.2 and 1.1 is

A. 1.5
B. 0.8
C. 1.0
D. 1.02
E. 1.05

Question 2:

• JAMB 2017

Find the gradient of the line joining the points (3, 2) and (1, 4)

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

Question 3:

• 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 4:

• JAMB 2014

The gradient of a line joining (x,4) and (1,2) is \(\frac{1}{2}\). Find the value of x

A. 5
B. 3
C. -3
D. -5

Question 5:

• JAMB 2013

If the midpoint of the line PQ is (2,3) and the point P is (-2, 1), find the coordinate of the point Q.

A. (8,6)
B. (5,6)
C. (0,4)
D. (6,5)