Question

Y-Y1/Y2-Y1 = X-X1 / X2- X1
When we use this formula.
Please send your answer soon friends​

Answer 1

Step-by-step explanation:

y-y1/y2-y1=x-x1/x2-x1

(y-y1)(x2-x1)=(y2-y1)(x-x1)

yx2-yx1-y1x2+y1x1=y2x-y2x1-y1x+y1x1