Question

Find the equation of the lines passing through the following pairs of points. a)A(-4,6),B(8,-3). b)P(-3,-1) ,Q(-2,2)

Answer 1

Slope m =(-3-6)/(8-(-4))=-3/4
Eqn of line
y-y1=m(x-x1)
y-6=-3/4(x-(-4))
4(y-6)=-3(x+4)
4y-24=-3x-12
3x+4y-12=0