Answer:
The answer to your question is:
Explanation:
8.-
A (8, 28)
B (0, 0)
m = (0- 28) / (0 - 8)
m = 7/2
y = (7/2) x
A( 16, 4)
B (0,0)
m = (0-4) / (0 - 16)
m = 1/4
y = (1/4) x
The constant of proportionality represents the slope of the line
9.-
a) (0,0) represents the start of the race.
b)
Horse A = 5 min
Horse B = 4 min