Question

Write an equation for the trend line shown. Type answer in y = mx + b format.

Answer 1

y=-10x/3+70

Explanation:

y=mx+b

find two points on the line: (9,40) and (6,50)

m=(50-40)/(6-9)

m=10/-3

m=-(10/3)

b=y-mx

b=40-(-10/3*9)

b=40+30

b=70

y=-10x/3+70

Answer 2

y=-3x+70
Hope this helps