Question

Write the equation of a line given the following info. (-4, -5) and (-6, 12).

Answer 1

what we can do first is find the gradient using y2-y1/x2-x1
m=(12+5)/(-6+4)
m=(17/-2)
m=-17/2 or

Answer 2

m=-8.5

Answer 3

then we can use y-y1=m(x-x1) to formulate an linear equation
where x1 and y1 are a coordinate. so lets choose (-4, -5)
y+5=-8.5(x+4)
y+5=-8.5x-34
y=-8.5-39