Question

write an equation of a line in point slope form when the slope is 1/3 and it passes through the point (3,-1)

Answer 1

The point-slope form:

`y-y_1=m(x-x_1)`

We have the point (3, -1) and the slope m = 1/3. Substitute:

`y-(-1)=(1)/(3)(x-3)\\\\\boxed{y+1=(1)/(3)(x-3)}`