Finding the Constant of Proportionality

Finding the Constant of Proportionality

7th Grade

10 Qs

quiz-placeholder

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Finding the Constant of Proportionality

Finding the Constant of Proportionality

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Medium

CCSS
7.RP.A.2B, 7.RP.A.2A, 7.RP.A.2C

+1

Standards-aligned

Used 376+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

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

Media Image

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

Media Image

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

Media Image

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

Media Image

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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