(Q6) Find the slope AB with the points lying on A(3,2) , B(-8,2). Is the line AB parallel to x-axis? Why?.

Given A(3,2) , B(-8,2)

Slope,m =
y2 - y1
x2 - x1
    =
-
-8 - 3
 =
-11
 =

Yes, the line is parallel to x-axis as the points are of the form (x1,K) , (x2,K).