3-(-5)=8 6-(-1)=7 Use the Pythagorean Theorem, 8²+7²=a² 64+49=a² 113=a² a=√113 But I don't think is the distance, this is your answer. (3, -1) (-5, 6) Bring it to the expression, y=mx+b 3m+b=-1 -5m+b=6 m=-7/8 b=13/8 the final expression is y=-7/8x=13/8