Question

The points P and Q are ( 3, 1) − and (2,-1) respectively. (a) Find the gradient of line PQ

Answer 1

Step-by-step explanation:

Let P(3,1)=(x1,y1)

Q(2,-1) =(x2,y2)

so, gradient (m)=y2-y1/x2-x1

m=-1-1/2-3

m=-2/-1

m=2/1

m=2

so,tghe gradient of line PQ is 2