Finding the Constant of Proportionality
Mathematics
7th Grade
CCSS covered
Used 376+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
There is a proportional relationship between the time (in days) Layla spends making porch swings, x, and the number of swings she builds, y.
What is the constant of proportionality? Remember: k=y/x
k = 1/5
k = 5
Tags
CCSS.7.RP.A.2B
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
From the table, determine if the relationship is proportional? What is the equation?
No, its not proportional
Yes, it's proportional. y = 4.5x
yes, it's proportional. y= 4x
Tags
CCSS.7.RP.A.2A
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Does the table show a proportional relationship? What is the equation?
Yes, y = 6x
No, this is not proportional
Yes, y = 12x
Tags
CCSS.7.RP.A.2B
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Does the table represent a proportional relationship? Write an equation for the table.
Yes , y=5x
No, not proportional
Yes, 5 = 5y
Tags
CCSS.7.RP.A.2A
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What characteristic do you look for in the table in order to decide whether the relationship is proportional?
The amount earned divided by the number of days is constant for each pair of values in the table.
The amount of days that are worked go up to 5.
The amount earned multiplied by the amount earned is constant for x and y.
Tags
CCSS.7.RP.A.2A
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A submarine dives 300 feet every 2 minutes, and 6,750 feet every 45 minutes. Find the constant rate at which the submarine dives.
45 ft. per minute
300 ft. per minute
150 ft. per minute
Tags
CCSS.6.RP.A.3B
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
For the equation: k=y/x, the variable k is called the...
Constant, and it represents the constant rate of change or constant ratio between x and y
Coefficient, and it represents the constant rate of change or constant ratio between x and y
x factor, and it represents the constant rate of change or constant ratio between x and y
y factor, and it represents the constant rate of change or constant ratio between x and y
Tags
CCSS.7.RP.A.2B
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