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