Miles Driven, Gallons of
Gasoline in
Tank, y
15
14.6
0
10
20
35
14.2
13.6
12.6
60
75
12
When these data are graphed on a
coordinate grid, the points all lie on the
same line. What are the slope and y-
intercept of this line?
slope = -25, y-intercept =
15
slope = 25, y-intercept =
375
slope =
= 375
1
, y-intercept
25
9
1
slope
y-
25
intercept = 15