  Constant of Proportionality

Quiz by Sara Zander

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Correct quiz answers unlock more play!  19 questions
• Q1
Which variable represents the constant of proportionality in the equation y= mx?
y
m
1
x
60s
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• Q2
Determine the constant of proportionality from the table. 36
192
12
3
60s
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• Q3
Determine the constant of proportionality from the graph. 2
47
98
24.5
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• Q4
Using the labels on the x and y axis, what does the coordinate (8,4) represent? 4 batches of cookies to 8 cups of flour
4 cups of flour to 8 batches of cookies
8 batches of cookies to 4 cups of flour
8 cups of flour to 4 batches of cookies
120s
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• Q5
Which graphs have a constant of proportionality of 3? 4 and 8
5 and 6
1 and 3
2 and 7
120s
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• Q6
For the equation y = 14.7x: if x=5, find the value of y.
9.7
73.5
0.34
14.7
60s
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• Q7
For the coordinate (9,81), what is the constant of proportionality?
.1111
9
81
9
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• Q8
In the scale drawing, find the height of the house. Use the proportion written. 21.25
17
8.5
3.4
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• Q9
Use the picture above. How many times bigger is the drawing to the object? 12
18
.3333
3
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• Q10
What is the constant of proportionality? 3
12
1/2
2
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• Q11
What would the equation be to represent this relationship? y = 12x
y = 1/2x
y = 3x
y = 2x
60s
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• Q12
For the equation y = 5x: if y = 145, find the value of x.
.03
5
725
29
60s
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• Q13
Using the picture, if y= the length and x=the width, what does m equal? (Hint: y/x=m) 3.01
213
.33125
107
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• Q14
For the rectangle above, the equation to represent this is y = 3x. y=length, x=width. If I draw a different rectangle that is proportional to the one above, what could the length and width be? length=2, width=1
length=45, width=5
length= 12, width= 4
length=30, width=15
120s
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• Q15
Tickets sold=x, Money raised=y. Read the table, what is the constant of proportionality? 22.5
60
.04
250
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• Q16
For the equation, y=4x: if x= 20, find the value of y.
1/5
5
80
10
60s
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• Q17
For the equation y=19x, what is the value of m?
0
1
10
19
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• Q18
Solve the proportion. 8
1.5
12
24
60s
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• Q19
For the given coordinate, (3,30). What is the constant of proportionality?
30
1
10
3
60s
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