writing liner equation given point slope

Question

write the equation of the line

Answer 1

I'll make up a problem. If the point is (2,-1) and the slope is 1/2, point-slope is y+1=1/2(x-2). To get into y=mx+b, multiply out.

y+1=1/2x-1; subtract 1 from both sides

y=1/2x-2