Finding the Constant of Proportionality

Finding the Constant of Proportionality

Assessment

Interactive Video

Mathematics

6th - 10th Grade

Medium

CCSS
7.RP.A.2B, 7.RP.A.2D, 8.EE.B.6

+2

Standards-aligned

Created by

Sophia Harris

Used 11+ times

FREE Resource

Standards-aligned

CCSS.7.RP.A.2B
,
CCSS.7.RP.A.2D
,
CCSS.8.EE.B.6
CCSS.7.RP.A.2C
,
CCSS.8.F.A.3
,
This video tutorial explains how to find the constant of proportionality, which is the ratio between two proportional quantities. It uses the formula k = y/x and provides examples to demonstrate how to calculate it. The video also includes practice problems to help reinforce the concept. Viewers are encouraged to access additional resources and engage with more content on the website.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where can you find the worksheet mentioned in the video?

In the video description

On the mathcation.com website

At the local library

At the end of the video

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the constant of proportionality represent in the equation y = kx?

The ratio between y and x

The value of x

The sum of y and x

The value of y

Tags

CCSS.7.RP.A.2B

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the constant of proportionality from a table of values?

Divide y by x

Multiply y by x

Add y to x

Subtract x from y

Tags

CCSS.7.RP.A.2B

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of solving for the constant of proportionality?

To divide y by x

To determine the relationship between y and x

To find the difference between y and x

To calculate the sum of y and x

Tags

CCSS.7.RP.A.2B

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the y value is 8 and the x value is 1, what is the constant of proportionality?

8

7

1

9

Tags

CCSS.7.RP.A.2B

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a different example, if the y value is 16 and the x value is 2, what would the constant of proportionality be?

8

4

16

2

Tags

CCSS.7.RP.A.2B

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the equation y = 8x imply about the relationship between y and x?

They are inversely proportional

They are directly proportional

They are not related

They are equal

Tags

CCSS.7.RP.A.2D

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