It's the Constant of Proportionality in the table below.
What is: 3?

A
This is the equation for a proportional relationship.
What is: y=kx?

$1.20 per pound
What are the characteristics of a proportional graph.
1. Goes through the origin (0,0)
2. Straight line.
It's the Constant of Proportionality in the table below.
What is: 1/2?
It's the Constant of Proportionality in the table below.
What is: 45?

What is: 3/7?

Yes

A & C
Fill in the rest of the table.
What are:
25
16 1/4
16
It's the Constant of Proportionality in the table below.
What is: 3?

No, there is not a constant of proportionality.

2 1/3

What is: 40?
Fill in the table.
What are:
2 1/2
15
35
It's the Constant of Proportionality in the table below.
What is: 40?

7

5:2
Name a specific ordered pair as your answer! 
(1, 200)
Blue and yellow make green. Come up with a new pair of numbers that will make the same shade of green.
Anything equal to 1:5
This is the table below with a k value of $0.20.
What is B?
It's the Constant of Proportionality in the table below.
What is: 1/25?

A
B
What is the constant of proportionality?
What is: 20?