Functions & 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
How do you determine if a table shows a proportional relationship?
Back
A table shows a proportional relationship if the ratios of the corresponding values are equal.
Tags
CCSS.7.RP.A.2A
3.
FLASHCARD QUESTION
Front
If Bryce pays $14 for 8 pounds of strawberries, how do you find the price per pound?
Back
Divide the total cost by the total weight: $14 ÷ 8 = $1.75 per pound.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
4.
FLASHCARD QUESTION
Front
What does the vertical line test determine?
Back
The vertical line test determines if a graph represents a function. If a vertical line crosses the graph more than once, it is not a function.
5.
FLASHCARD QUESTION
Front
What is an example of a proportional function?
Back
Beverly earns $210 a week for 4 weeks is a proportional function because her earnings are directly proportional to the number of weeks.
Tags
CCSS.7.RP.A.2D
6.
FLASHCARD QUESTION
Front
What is the formula for finding the unit rate?
Back
The unit rate is found by dividing the total quantity by the number of units: Unit Rate = Total Quantity ÷ Number of Units.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
7.
FLASHCARD QUESTION
Front
What is a constant of proportionality?
Back
The constant of proportionality is the constant ratio in a proportional relationship, often represented as 'k'.
Tags
CCSS.7.RP.A.2B
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