math help please thank you
posted by Anonymous .
equation that passes points (1.3) and (8,5)
a: y+1= 2/7(x+3)
b: y5= 2/7(x8)
c: y1= 2/7(x+3)
d: y+5= 2/7(x8)

Assuming that first point is (1,3)
slope = (53)/(81) = 2/7
they all have a slope of 2/7
but only b) the correct pattern of finding the equation