Question

Find the relation between'x' and 'Y' if the points (1, 2) and (7,0) are collinear

Answer 1

Use area formula put it equal to 0 and you will get a linear equation in two variable which will be ur ans..
$......$

Hope it helps you..

Answer 2

Xy2 = ( 1-7 ) 2 + ( 2-0 ) 2
Xy2 = 36 + 4
Xy2 = 2root 10
Xy = 40


I solve this ans through distance formula. Ok