Question

Write the equation of a line in point slope form that goes through the points (4,8)(-1,-12)

Answer 1

The point-slope form:

`y-y_1=m(x-x_1)\\\\m=(y_2-y_1)/(x_2-x_1)`

We have the points (4, 8) and (-1, -12). Substitute:

`m=(-12-8)/(-1-4)=(-20)/(-5)=4\\\\\boxed{y-8=4(x-4)}`