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Unit 2 Mid-Unit Quiz Review

Total questions: 114

Worksheet time: 4hrs 40mins

Name
Class
Date
1.
Find the unit rate of 624 calories in 3 servings.
a)
1,872 calories per serving
b)
208 calories per serving
c)
624 calories per serving
d)
621 calories per serving
2.
If Justin can type 408 words in 4 minutes, how many words can he type per minute?
a)
102 words per minute
b)
100 words per minute
c)
400 words per minute
d)
412 words per minute
3.

Identify the constant of proportionality.

a)

k = 2x

b)

k = 2

c)

k = 4

d)

none (not proportional)

4.

Identify the constant of proportionality.

a)

k = 2

b)

k = 3

c)

k = 1.50

d)

k = 2/3

e)

none (not proportional)

5.
Write an equation for the proportional relationship in the table.
a)
y=18x
b)
y=18.50x
c)
y=22.50x
d)
y=22x
6.
The constant of proportionality in the equation y = ½x is _______. 
a)
x
b)
y
c)
1/2
d)
2
7.
What is the constant of proportionality? 
a)
45 mph
b)
90 mph
c)
135 mph
d)
2 mph
8.

What is the unit rate of 450 miles in 5 hours?

a)

90 miles per hour

b)

100 miles per hour

c)

85 miles per hour

d)

95 miles per hour

9.

If a car travels 300 miles in 6 hours, what is the constant of proportionality?

a)

50 mph

b)

60 mph

c)

45 mph

d)

55 mph

10.

Determine the constant of proportionality in the equation y = 3x.

a)

3

b)

x

c)

y

d)

1/3

11.
Which best describes the graph represented in this table?
a)
 proportional
b)
non-proportional
12.
Is this table proportional or non-proportional?
a)
Proportional
b)
Non-Proportional
13.
What is the equation?
a)
y=x/4
b)
y=4x
c)
y= x + 4
d)
y = x - 4
14.
The constant of proportionality can be found by finding the __________  _____________.
a)
unit rate
b)
ratio rate
c)
proportion answer
d)
rational number
15.
Is the given table a proportional relationship? If so, what is the constant?
a)
Yes; 1/3
b)
Yes; 3
c)
Yes; 5
d)
No
16.
Determine the constant of proportionality.
a)
5
b)
0.2
c)
1
d)
1.4
17.

Identify the constant of proportionality.

a)

k = 2

b)

k = 4

c)

k = 1/2

d)

k = 1/4

e)

none (not proportional)

18.

Determine the constant of proportionality for the table. Express your answer as y = kx

a)

y = 30k

b)

y = 30x

c)

y = 0.03x

d)

y = 9x

19.

k represents

a)

the constant of proportionality

b)

the king

c)

ketchup

d)

a strikeout

20.

Select ALL equations that are proportional.

a)

y = 3x

b)

y = 25x

c)

y = 7x

d)

y = 2x - 1

e)

y = 4000x

21.
A car travels 420 miles in 8 hours.  If the car continues at the same rate, how far will it travel in 12 hours?
a)
630 miles
b)
630 hours
c)
600 miles
d)
540 hours
22.
Hamburger sells for 3 pounds for $6. If Alicia buys 10 pounds of hamburger, how much will she pay?
a)
$30
b)
$20
c)
$60
d)
$10
23.
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
24.
What is the constant of proportionality?
a)
$3
b)
$4
c)
$2
d)
$9
25.
A box of cereal cost $3.59 for 30 oz. How much is the unit rate per ounce? Round to the nearest cent.
a)
11 cents
b)
12 cents
c)
13 cents
d)
10 cents
26.
What is the constant of proportionality?
a)
3
b)
4
c)
2
d)
5
27.

Identify the constant of proportionality.

a)

k = 2

b)

k = 3

c)

k = 1.50

d)

k = 2/3

e)

none (not proportional)

28.

Identify the constant of proportionality.

a)

k = 2

b)

k = 3

c)

k = 1.50

d)

k = 2/3

e)

none (not proportional)

29.
What is the constant of proportionality? 
a)
45 mph
b)
90 mph
c)
135 mph
d)
2 mph
30.
You travel 150 miles on 5 gallons. How far did you travel per gallon?
a)
15 miles
b)
30 miles
c)
3 miles
d)
25 miles
31.
You earn $15 every 3 weeks. At this rate, how much will you earn in 5 weeks?
a)
$25
b)
$35
c)
$5
d)
$10
32.
3.  Express 12 baskets in 18 attempts as a fraction in simplest form.
a)
3 to 2
b)
6 to 9
c)
2:3
d)
12/18
33.
88 students for 4 classes
How many students per class?
a)
22 students per class
b)
22 classes per student
c)
25 students per class
d)
25 classes per student
34.
Which ratios are proportional?
a)
10/20  20/40
b)
10/17  20/40
c)
13/18   16/25
d)
1/4        1/3
35.
Find a ratio that are equivalent to the given ratio.      15/27
a)
1/9
b)
30/54
c)
6/30
d)
4/28
36.
Is the given table a proportional relationship? If so, what is the constant?
a)
Yes; 1/3
b)
Yes; 3
c)
Yes; 5
d)
No
37.
Determine the missing value in the table.
a)
15
b)
3
c)
1/3
d)
9
38.

Identify the constant of proportionality.

a)

k = 2

b)

k = 3

c)

k = 1.50

d)

k = 2/3

e)

none (not proportional)

39.
What is the constant of proportionality?
a)
3
b)
4
c)
2
d)
5
40.

Craig earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours.  What is the constant of proportionality in dollars per hour? 

a)

$37 / hour

b)

$64.75 / hour

c)

$9.25 / hour

d)

$18.50 / hour

41.
What is the constant of proportionality? 
a)
45 mph
b)
90 mph
c)
135 mph
d)
2 mph
42.
Which of the tables above represents a proportional relationship?
a)
a & c
b)
a, b & c
c)
a, c & d
d)
all of them
43.
Which best describes the graph represented in this table?
a)
 proportional
b)
non-proportional
44.

What is the constant of proportionality? (Unit rate)

a)

2 swings / 1 day

b)

0.5 swings / 1 day

c)

4 swings / 1 day

d)

None of the above

45.

Find the constant proportionality of 624 calories in 3 servings.

a)
1,872 calories per serving
b)
208 calories per serving
c)
624 calories per serving
d)
621 calories per serving
46.
What is the formula for a proportional relationship?
a)
y=kx
b)
y=k/x
c)
z=ykx
d)
y=ky
47.
In the equation y = 14x, what is the constant of proportionality?
a)
y
b)
x
c)
14
48.
If the constant of proportionality is 10, which of the following is the correct proportional equation?
a)
10=kx
b)
10=k
c)
y=10k
d)
y=10x
49.

The equation y=5x describes a proportional relationship between x and y. What is the constant of proportionality?

a)

6

b)

4

c)

7

d)

5

50.
What does k represent in the equation y = kx?
a)
constant rate of change
b)
constant of proportionality
c)
the equation
d)
x/y
51.
What is the constant of proportionality in the equation y = 14x ? 
a)
y
b)
x
c)
14
52.
The constant of proportionality can be found by finding the __________  _____________.
a)
unit rate
b)
ratio rate
c)
proportion answer
d)
rational number
53.

Identify the constant of proportionality.

a)

k = 2

b)

k = 4

c)

k = 1/2

d)

k = 1/4

e)

none (not proportional)

54.

Which equation helps you solve for k?

a)

k = x/y

b)

k = y/x

c)

k = y + x

d)

k = 2x

55.

Which equation is NOT proportional?

a)

y = 2x - 3

b)

y = 150x

c)

y = 1/2x

56.
The constant of proportionality is also the unit rate.
a)
True
b)
False
57.

Identify the constant of proportionality.

a)

k = 1/0.45

b)

k = 0.45

c)

k = -0.45

d)

k = -1/0.45

e)

none (not proportional)

58.

In what form is the equation of a proportional relationship?

a)

y = mx + b

b)

y = kx

59.

Does this equation represent a proportional relationship?

y = 2 + 7x

a)

Yes, because it has a constant of proportionality

b)

Yes, because it will be a straight line

c)

No, because it will not be a straight line

d)

No, because it will not go through the origin

60.
Does this equation represent a proportional relationship?
a)
Yes
b)
No
61.
Does this equation represent a proportional relationship?
a)
Yes
b)
No
62.

Select ALL equations that are proportional.

a)

y = 3x

b)

y = 25x

c)

y = 7x

d)

y = 2x - 1

e)

y = 4000x

63.

Is this table proportional?

a)

yes

b)

no

c)

I'm not sure, I need extra help!

64.

What is the value of A in this table?

a)

2

b)

7

c)

3

d)

8

65.

Identify the constant of proportionality.

a)

k = 2x

b)

k = 2

c)

k = 4

d)

none (not proportional)

66.

Identify the constant of proportionality.

a)

k = 5

b)

k = 1/5

c)

k = 1

d)

k = 2.5

e)

none (not proportional)

67.

Identify the constant of proportionality.

a)

k = 1/90

b)

k = 90

c)

k = 1/30

d)

k = 30

e)

none (not proportional)

68.

Does the table represent a proportional relationship? If so, what is the constant?

a)

Yes, the constant is 1/3.

b)

Yes, the constant is 3.

c)

Yes, the constant is 5.

d)

No, there is no constant.

69.

Write the equation for the table given.

a)

y = 1/3x

b)

y = 0x

c)

y = 1/2x

d)

y=3x

70.

What is the constant of proportionality (in miles per hour) based on the table?

a)

2 mph

b)

45 mph

c)

90 mph

d)

135 mph

71.

What is the constant of proportionality?

a)

$3

b)

$4

c)

$2

d)

$9

72.

What is the unit rate/constant of proportionality?

a)

80 miles in 1 hours

b)

20 miles in 1 hours

c)

40 miles in 1 hours

d)

160 miles in 1 hours

73.

Identify the constant of proportionality.

a)

k = 6

b)

k = 12

c)

k = 1/6

d)

k = 1/12

e)

none (not proportional)

74.

Which best describes the relationship represented in this table?

a)

proportional

b)

non-proportional

75.

Write an equation for the proportional relationship in the table.

a)

y=18.50x

b)

y=18x

c)

y=22.50x

d)

y=22x

76.

Using the equation y=kx, tell what the k is in this graph. (Remember that k is the constant of proportionality or unit rate.)

a)

k=56k=\frac{5}{6}

b)

k=2k=2

c)

k=65k=\frac{6}{5}

77.

What is the constant rate of change? (Unit Rate)

a)

$164 per month

b)

$80 per month.

c)

$82 per month.

d)

$41 per month.

78.

Find the constant rate of change for this graph.

a)

2 lb per person

b)

1 lb per person

c)

3 lb per person

d)

4 lb per person

79.

Does this table represent a proportional relationship?

a)

Yes - there is a constant of proportionality

b)

No - there is not a constant of proportionality

80.

Which graph shows a proportional relationship?

a)

A

b)

B

c)

C

d)

D

81.

Does the table represent a proportional relationship?

a)

Yes.

b)

No.

82.

Identify the constant of proportionality.

a)

k = 5

b)

k = 1/5

c)

k = 1

d)

k = 2.5

e)

none (not proportional)

83.

Identify the constant of proportionality.

a)

k = 25

b)

k = 50

c)

k = 100

d)

k = 1/50

e)

none (not proportional)

84.

The constant of proportionality of this graph is k = 45. What does it mean?

a)

The boat travels for 45 miles for every 45 hours

b)

The boat travels 1 mile for every 45 hours

c)

The boat travels 45 miles for every 1 hour

d)

The boat travels 1/45 mile for every 1 hour

85.

What is the constant of proportionality? 

a)

4

b)

1/4

c)

8

d)

1/8

86.

Write an equation for the proportional relationship in the table.

a)

y=18x

b)

y=18.50x

c)

y=22.50x

d)

y=22x

87.

What is the constant of proportionality? 

a)

15

b)

2/15

c)

7.5

d)

2

88.

What is the constant of proportionality? 

a)

20

b)

4

c)

1/5

d)

5

89.

What is the constant of proportionality? 

a)

6

b)

3

c)

2

d)

1/2

90.

What is the constant of proportionality of the relationship represented by the table above?

a)

75

b)

0.013

c)

1/75

d)

None of the above

91.

What is the constant of proportionality for the table above?

a)

2

b)

1/2

c)

3

d)

None of the above

92.

The constant of proportionality is also the unit rate.

a)

True

b)

False

93.

Determine the constant of proportionality for the table. Express your answer as y = kx

a)

y = 1/2x

b)

x = 1/2y

c)

y = 2x

d)

k = x

94.

Determine the constant of proportionality for the table. Express your answer as y = kx

a)

y = 30k

b)

y = 30x

c)

y = 0.03x

d)

y = 9x

95.

y=kx.  What does the k represent?

a)

constant of proportionality

b)

multiplier

c)

scale factor

d)

all of these are correct

96.

What is the Constant of Proportionality?

a)

k=46

b)

k=92

c)

k=0.2

d)

not proportional

97.

Which of the following equations represent this table?

a)

y= 2x

b)

y=1/2x

c)

y=5x

98.

Which of the following is an equation for this relationship?

a)

y=90x

b)

y=25x

c)

y=45x

d)

y=2x

99.
What is the constant of proportionality (in miles per hour) based on the table?
a)
45
b)
90
c)
135
d)
2
100.

Write an equation for this relationship.

Remember: y = kx

a)

y = 4x

b)

y = (1/8)x

c)

y = (1/4)x

d)

y = 8x

101.
Which of the tables above has a constant of proportionality of $0.20?
a)
A & B
b)
A
c)
B
d)
All of them
102.
What is the constant of proportionality for the following graph?
a)
80
b)
20
c)
40
d)
160
103.

Identify the constant of proportionality. Write your answer as y=kx

a)

y=14x

b)

y=7x

c)

y=2x

d)

y=6x

104.
Using the graph above, determine the constant of proportionality.
a)
k = 0
b)
k = 1
c)
k = 3
d)
k = 6
105.
What is the constant of proportionality for the following graph?
a)
80
b)
20
c)
40
d)
160
106.
Using the graph above, determine the constant of proportionality.
a)
k = 0
b)
k = 1
c)
k = 3
d)
k = 6
107.
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
108.

Identify the constant of proportionality.

a)

k = 2x

b)

k = 2

c)

k = 4

d)

none (not proportional)

109.

k represents

a)

the constant of proportionality

b)

the constant of scientific notation

c)

the constant of inequalities

d)

the constant of variables

110.

The grocery store sells cantaloupes for $4.50 per pound. Write an equation to represent the cost, c, for the number of pounds of cantaloupes bought, p.

a)

c = 45p

b)

c = 4.5p

c)

p = 4.5c

d)

p = 45c

111.
Jimmy was going on vacation. His parents drove the first day and went 390 miles in 6 hours. The next day they drove for 8 hours and went 520 miles. What was their constant rate of speed? 
a)
65 miles∕1hr
b)
60miles∕1hr
c)
40miles∕1hr
d)
50miles∕1hr
112.
You can buy 36 cookies for $4. What is the unit rate (in cookies per dollar)?
a)
4 cookies per dollar
b)
6 cookies per dollar
c)
9 cookies per dollar
d)
1/9 dollars per cookie
113.

Write an equation for this situation.

a)

y=9.75x

b)

y=19x

c)

y=19.25x

d)

y=9.5x

114.

Determine which equation does NOT represent a proportional relationship.

a)

y = -2x

b)

y = 3.4x

c)

y = 3x

d)

y = 5x - 7

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