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Proportionality
Proportionality
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Answers
1
Solve the proportion.
24
6
30
18
2
Determine which of the following tables is constant unit price? (proportional relationship)
D
B
A
C
3
Determine the constant of proportionality,
k
?
F. 0.070
J. 12.99
G. 0.077
H. 0.770
4
Help Taylor Swift figure out if the relationship is proportional.
Yes T-Swift it is
No way Tay
5
Are these proportional? 10 books for $4.50; 15 books for $6.00
Yes
No
Not Possible
6
Does the following graph represent a proportional relationship?
No
Yes
7
Solve the proportion.
24
12
16
8
8
Proportion
D
C
A
B
9
Is this graph proportional? Yes or No
no
yes
10
Solve the proportion.
7
14
40
70
11
What is a Proportional Relationship?
2 quantities that have the same unit of measurement
Two quantites that are occuring at the same rate
When 2 portions combine to make one
2 quantities that always have the same ratio.
12
Determine if this problem represents a proportional relationship.
Yes it does
No it does not
13
Solve the proportion.
48
24
66
60
14
Solve the proportion.
40
45
54
64
15
Determine if this problem has a constant of proportionality.
Yes it has a k
No it does not
16
Is the following relationship proportional?
Not Proportional
Proportional
17
Does the graph show a proportional relationship?
No it does not
Yes it does
18
The value of
y
is directly proportional to the value of
x
.
1/4
1/144
4
144
19
Does this problem describe a proportional relationship?
Yes it does
No it does not
20
3 desks cost 240 dollars, how much would 8 desks cost? Find the proportion.
3/8 = 240/x
x/3 = 8/240
3/240 = 8/x
240/8 = 3/x
21
Write a proportion to find how many
grams of protein
are in
2 cups.
6 g
3g
9 g
12 g
22
Is the following information proportional or not proportional?
Not Proportional
Proportional
23
Does the graph show a proportional relationship?
Yes
No
24
Is the following relationship proportional?
Not Proportional
Proportional
25
Use multiplication to
solve the proportion
.
z
/
24
=
25
/
32
z = 32
z = 18.75
z = 24
z = 0.78125
26
Solve the proportion.
24
3
9
12
27
Which table shows a proportional relationship?
Table 2
Table 1
28
The value of
y
is directly proportional to the value of
x
. True or false? Answer for the question is 90.
False
True
29
Determine which of the following tables is constant unit price? (proportional relationship)
C
D
B
A
30
Solve the proportion.
49
36
60
6
31
The value of
y
is directly proportional to the value of
x
.
0.375
\pi
3/8
8/3
32
Solve the proportion.
9
7
6
42
33
The value of
y
is directly proportional to the value of
x
.
20
72
7.2
0.05
34
Use the Cross Products Property to
solve the proportion
:
k
/
20
=
13
/
50
k = 5
k = 50
k = 5.2
k = 260
35
Use the Cross Products Property to
solve the proportion
:
k
/
20
=
13
/
50
k = 260
k = 5.2
k = 5
k = 50
36
Is the following relationship proportional?
Not Proportional
Proportional
37
Write a proportion to find how many
calories
are in
1 1/2 cups.
450 g
550 g
600 g
400 g
38
Is the slope of the graph, proportional or non-proportional?
Non-Proportional
Proportional
39
Solve the proportion.
21
7
28
4
40
The value of
y
is directly proportional to the value of
x
.
8
90
640
10
41
Is the following relationship proportional?
Proportional
Not Proportional
42
Determine if the graph represents a proportional relationship.
No it does not
Yes it does<div class="grammarly-disable-indicator"></div>
43
The value of
y
is directly proportional to the value of
x
.
12
27
24
6
44
Proportional or Non-Proportional
Not Proportional
Proportional
45
Proportion
A
C
B
D
46
Does the graph show a proportional relationship?
Yes
No
47
Make a proportion, then solve.
x = 14,000
x = 20
x = 500
x = 28
48
What does a constant of proportionality of 4/3 mean?
Nothing.
When x changes by 4, y changes by 3.
X and Y are never the same.
When x changes by 3, y changes by 4.
49
Is the graph proportional or non-proportional?
Non-Proportional
Proportional
50
Is this graph proportional? How do you know?
No, it goes through the origin.
Yes, it goes through the origin.
No, it isn't a straight line.
51
The value of
y
is directly proportional to the value of
x
.
20
16
36
9
52
How can you tell if a graph is proportional?
Goes through origin
Goes through (0,0) and is a straight line
Straight line
Positive slop
53
Is this graph proportional? Yes or No
yes
no
54
Solve the proportion.
21
14
7
49
55
Is the following relationship proportional?
Not Proportional
Proportional
56
8 folders cost 8.54, how much would 9 folders cost? Find the proportion.
8/x = 9.54/9
9/8.54 = x/8
8/9 = x/ 8.54
8/8.54 = 9/x
57
What was the "constant of proportionality", or unit rate, on that table of information?
6
12
3
1
58
Does the following information have a constant of proportionality?
No
Yes
59
What is the simplified constant of proportionality for the graph?
3
3/1
6/2
2
60
If the constant of proportionality is 13/1, write an equation.
y = 1/13x
y = 13 -x
y = 13x
y = 13 + x
61
Hint- use a proportion to solve
d
c
a
b
62
What is the constant of proportionality?
-6
-2
6
2
