Question

A straight line passes through the points P (1, 2) and Q (5, - 14). What is the gradient of the the line PQ?

A - ¼
B ¼
C 4
D - 4
​

Answer 1

D

Explanation:

gradient= change in y

__________

change in x

m= y2_ y1

______

x2- x1

m= -14- 2

_____

5-1

m= -16

___

4

m= -4