Answer:The constant of proportionality is represented by x.
Hope this helps.
Answer:
C
Step-by-step explanation:
Both of the y= make upward parabolas
It is also going into the positive direction so it is
Answer:
Step-by-step explanation:
- you are pretty much just factoring throughout.
- you can also plug in numbers
- or use the quadratic equation
I'll be using the quadratic equation
Let y be train 1 and x train 2
y= 60mph+x
8-4 = 4 hours
((60+x)+x)4=(x+2)
(60+2x)4=(x+2)