Question

equation that passes points (1.3) and (8,5)

a: y+1= 2/7(x+3)
b: y-5= 2/7(x-8)
c: y-1= 2/7(x+3)
d: y+5= 2/7(x-8)

Answer 1

Assuming that first point is (1,3)
slope = (5-3)/(8-1) = 2/7
they all have a slope of 2/7

but only b) the correct pattern of finding the equation