Proportional or Not?
Unit Rate
Constant of Proportionality
Fill in the Table
100
The graph of a relationship between time and dollars goes through (0,0). Is the relationship proportional or not?
Proportional
100

What is the unit rate if someone gets paid $13 for every hour worked?

$13 per hour

100

What is the constant of proportionality? B = 1.5C

1.5

100

Find the constant of proportionality and finish filling in the chart.


COP = 4

20

200
Proportional or not? C = 4 x P
Proportional
200
What is the unit rate of bananas if 10 bananas cost $1.90?
$0.19 per banana or 19 cents per banana
200

What is the constant of proportionality of the equation 25y = x

Constant = 25

200

Is this table proportional or non-proportional? Explain the C.O.P and why the chart is or is not proportional.

Non-proportional. The C.O.P. is 1.5, 12 times 1.5 would 18 not 14

300
The graph of a relationship goes through (0, 4). Is the relationship proportional or not?
Not Proportional
300

What is the unit rate in miles per hour if a person walks 3 miles in 45 min.

4 miles per hour

300

What is the constant of proportionality of the equation x=y1/2

Constant = 1/2

300

Find the constant of proportionality and finish filling in the chart.


Constant of proportionality = 7

Table Values 35, 42, and 70

400
Cost = 5 x hours +1. Is cost proportional to hours?
Not Proportional
400
What is the unit rate in feet per minute of a rabbit who jumps 2 feet per second.
120 feet per minute
400

What is the constant of proportionality of the following table? You must label your answer to get it right.


12 mph

400


COP = 8

Table 32, 96, 128, and 160

500
A car drives 55 miles per hour. Is the distance driven proportional to the time driven?
Yes, proportional.
500
Which is the better deal? 16 ounces of yogurt for $3.00 or 20 ounces of yogurt for $3.50?
The 20 ounces is the better deal.
500

What is the constant or proportionality


Constant = 7.5

500

Find the constant of proportionality and finish filling in the chart.


Constant of Proportionality = 3.5


Table values 3.5, 31.5, 11 and 14