Question

Find the equations to the straight lines passing through the pairs of points. : $(-1,3)$ and $(6,-7)$

Answer 1

The required equation is

$y-3=\frac{-7-3}{6+1}\times (x+1)$

$\Rightarrow y-3=\frac{-10}{7}\times (x+1)$

Then, $7y-21=-10x-10$

Required equation is $10x+7y=11$