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WorksheetsProportional Constant & Unit Rates
Total questions: 20
Worksheet time: 2hrs 40mins
Name
Class
Date
1.
Which best describes the graph represented in this table?
a)
proportional
b)
non-proportional
2.
Is the graph proportional or non proportional?
a)
proportional
b)
non proportional
3.
Is the graph proportional or non proportional?
a)
proportional
b)
non proportional
4.
What are the main characteristics of a proportional relationship between two variables?
a)
They pass through the origin.
b)
They are linear and also pass through the origin.
c)
They are curved
d)
They have a negative relationship and pass through the origin.
5.
In the equation y = 14x, what is the constant of proportionality?
a)
y
b)
x
c)
14
6.
Does the equation show a proportional relationship?
a)
Yes
b)
No
7.
What does the y-intercept represent?
a)
It costs $30 for each mile drive.
b)
There is an initial charge of $30 for the moving van.
c)
There is an initial charge of $2 for the moving van.
d)
It costs $1 for every 2 miles driven.
8.
Which equation has a negative y-intercept?
a)
y= 3x + 5
b)
y= -3x + 5
c)
y= -3x - 5
9.
Based on the information in the table, what is the constant of proportionality?
a)
k = 8
b)
k = 20
c)
k = 5
d)
k = 10
10.
What is a Ratio?
a)
A comparison of two quantities
b)
To multiply two fractions
c)
A number over another number
d)
Two decimals that can be multiplied
11.
Is this table proportional?
a)
yes
b)
no
c)
I'm not sure, I need extra help!
12.
What is the constant of proportionality?
a)
$3
b)
$4
c)
$2
d)
$9
13.
This is a table with a proportional relationship between A and B. Find the missing value of B.
a)
33
b)
44
c)
32
d)
48
14.
Which is the better buy? a 12 pack of Coke for $3.50 or a six pack of Coke for $1.80?
a)
The 12 pack of Coke
b)
The 6 pack of Coke
c)
Neither
d)
They are the same
15.
A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?
a)
2.5 cups milk
b)
1.75 cups milk
c)
2 cups flour
d)
2.25 cups milk
16.
A proportional relationship can be written as an equation in the form ____ = _____ _____
a)
y = k+x
b)
y = k-x
c)
y = kx
d)
y = k/x
17.
How do you find the constant rate, or the constant of proportionality?
a)
k = t + x
b)
k = x/y
c)
y = k - x
d)
k = y/x
18.
Which candy bar has the most calories per serving?
a)
120 calories for 3 servings
b)
100 calories for 5 servings
c)
70 calories for 2 servings
d)
150 calories for 5 servings
19.
Game Stop sees 120 customers in 8 hours. What is the unit rate (in customers per hour)?
a)
15
b)
12
c)
20
d)
14
20.
Ms. Klion paid $15.00 for 6 gallons of gasoline.
What was the price PER gallon?
What was the price PER gallon?
a)
$0.40
b)
$0.25
c)
$2.50
d)
$0.90
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