Question

Indicate in standard form the equation of the line passing through the given points. P(0, -4), Q(5, 1)

Answer 1

use two-point form
y=((y2-y1)/(x2-x1))(x-x1)+y1
y=((1--4)/(5-0))(x-0)+-4
y=(5/5)x-4
y=x-4
standard form ax+by=c
x-y=4