Question

A straight line passes through the points P ( 1 , 2 ) and Q ( 5 , -14 )

(a) What are the coordinates of the midpoint of PQ?


(b) The gradient of PQ is?

Answer 1

a) (2,-8)

b) grad=4

Explanation:

a) (5-1/2,-14-2/2)

=(4/2,-16/2)

=(2, - 8)

b)grad=-14-2/5-1

=-16/4

=4