Proportionality, constant of proportionality

Proportionality, constant of proportionality

Assessment

Flashcard

Mathematics

6th - 8th Grade

Practice Problem

Hard

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

+3

Standards-aligned

Created by

Wayground Content

FREE Resource

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15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What does the equation y = kx represent?

Back

It represents a proportional relationship where y is directly proportional to x, and k is the constant of proportionality.

Tags

CCSS.7.RP.A.2C

2.

FLASHCARD QUESTION

Front

What is the constant of proportionality in the equation y = kx?

Back

The constant of proportionality (k) is the factor that relates y to x in a proportional relationship.

Tags

CCSS.7.RP.A.2B

3.

FLASHCARD QUESTION

Front

If k = 46 in the equation y = kx, what does this mean?

Back

It means that for every unit increase in x, y increases by 46 units.

Tags

CCSS.7.RP.A.2B

4.

FLASHCARD QUESTION

Front

How can you determine if a table of values is proportional?

Back

A table is proportional if the ratio of y to x is constant for all pairs of values.

Tags

CCSS.7.RP.A.2A

5.

FLASHCARD QUESTION

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

6.

FLASHCARD QUESTION

Front

If $500 is earned for every 8 hours worked, what is the unit rate?

Back

The unit rate is $62.50 per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

7.

FLASHCARD QUESTION

Front

What does it mean if a graph is linear and passes through the origin?

Back

It indicates a proportional relationship between the two variables.

Tags

CCSS.7.RP.A.2D

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