The 2.5x would be a proportional relationship
You just add zeros until you get to a millionth. Although thats kind of pointless.
Answer:
y - 7 = 5(x + 7).
Step-by-step explanation:
The slope m (7--3)/ (-7- -9)
= 10 / 2 = 5.
y - y1 = m(x - x1)
Using the point (-7, 7):
y - 7 = 5(x + 7).
What are you trying to solve for?