constant of proportionality

constant of proportionality

Assessment

Flashcard

Mathematics

7th Grade

Hard

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

+2

Standards-aligned

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the constant of proportionality?

Back

The constant of proportionality is the ratio of y to x in a proportional relationship, represented as y/x.

Tags

CCSS.7.RP.A.2B

2.

FLASHCARD QUESTION

Front

How can you determine if a graph is proportional?

Back

A graph is proportional if it is a straight line that passes through the origin (0,0).

Tags

CCSS.7.RP.A.2D

3.

FLASHCARD QUESTION

Front

If a recipe requires 2 cups of flour for 4 servings, how much flour is needed for 10 servings?

Back

5 cups of flour (constant of proportionality is 2/4 = 0.5 cups per serving).

Tags

CCSS.7.RP.A.2A

4.

FLASHCARD QUESTION

Front

What does it mean if two quantities are proportional?

Back

Two quantities are proportional if they maintain a constant ratio or relationship to each other.

Tags

CCSS.7.RP.A.2A

5.

FLASHCARD QUESTION

Front

If a car travels 60 miles in 1 hour, how far will it travel in 3 hours?

Back

180 miles (constant of proportionality is 60 miles per hour).

Tags

CCSS.7.RP.A.2B

6.

FLASHCARD QUESTION

Front

What is the formula to find the constant of proportionality?

Back

The formula is k = y/x, where k is the constant of proportionality.

Tags

CCSS.7.RP.A.2B

7.

FLASHCARD QUESTION

Front

Which of the following represents a proportional relationship: (2,4), (3,6), (4,8), (5,10)?

Back

All pairs represent a proportional relationship because they all have the same ratio of 1:2.

Tags

CCSS.7.RP.A.2A

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