Question

Plot following point on a graph sheet. Verify if they lie on a line.
A(4,0) B(4,2) C(4,6) D(4,2.5)

Answer 1

Answer:

y2-y1/x2-x1 =2-0/4-4=2. 6-4/4-4=2. therefore thir slpoes are equal. they lie on same line