y=mx+b find slope by doing slope=(y1-y2)/(x1-x2) ponts (5,36) and (4,29) x1=5 y1=36 x2=4 y2=29 subsitute (36-29)/(5-4)=7/1=7 slope is 7 subsitute y=7x+b subsitute 5,36 or 5 for x and 36 for y 36=7(5)+b 36=35+b subtract 35 form both sides 1=b y=7x+1 is the answer which is the first one
