Question

X 0 1 | 2 3 4 y 7 15 23 31 39

Answer 1

step 1

Find the slope

we take the points

(0,7) and (1,15)

m=(15-7)/(1-0)

m=8/1

m=8

step 2

Find the equation in slope intercept form

y=mx+b

we have

m=8

b=7 -------> (0,7) is the y-intercept

substitute

y=8x+7