8th - Unit 3 Lesson 2 : Graphs of Proportional Relationships
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+4
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a proportional relationship?
Back
A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other quantity is constant.
Tags
CCSS.7.RP.A.2A
2.
FLASHCARD QUESTION
Front
What is the constant of proportionality?
Back
The constant of proportionality is the constant ratio in a proportional relationship, often represented as 'k' in the equation y = kx.
Tags
CCSS.7.RP.A.2B
3.
FLASHCARD QUESTION
Front
How do you find the unit rate from a proportional relationship?
Back
The unit rate is found by dividing the quantity of one variable by the quantity of the other variable when the second variable is equal to one.
Tags
CCSS.7.RP.A.2B
4.
FLASHCARD QUESTION
Front
What does the graph of a proportional relationship look like?
Back
The graph of a proportional relationship is a straight line that passes through the origin (0,0).
Tags
CCSS.7.RP.A.2D
5.
FLASHCARD QUESTION
Front
If y = 4x, what is the constant of proportionality?
Back
The constant of proportionality is 4.
Tags
CCSS.7.RP.A.2B
6.
FLASHCARD QUESTION
Front
What is the unit rate of 60 miles in 1 hour?
Back
The unit rate is 60 miles per hour.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
7.
FLASHCARD QUESTION
Front
How can you determine if a relationship is proportional from a table of values?
Back
A relationship is proportional if the ratios of corresponding values are constant.
Tags
CCSS.7.RP.A.2A
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