
4.1.2 Using Tables, Graphs, and Equations Proportional Rel.
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+3
Standards-aligned
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1.
FLASHCARD QUESTION
Front
What is the constant of proportionality?
Back
The constant of proportionality is the ratio between two proportional quantities, often represented as 'k' in the equation y = kx.
Tags
CCSS.7.RP.A.2B
2.
FLASHCARD QUESTION
Front
How do you find the constant of proportionality from a table?
Back
To find the constant of proportionality from a table, divide the output value by the input value for any pair of corresponding values.
Tags
CCSS.7.RP.A.2B
3.
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 of another quantity.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
4.
FLASHCARD QUESTION
Front
How do you calculate the unit rate from a graph?
Back
To calculate the unit rate from a graph, find the slope of the line, which represents the change in the y-value for each unit change in the x-value.
Tags
CCSS.7.RP.A.2D
5.
FLASHCARD QUESTION
Front
What does a proportional relationship look like on a graph?
Back
A proportional relationship on a graph is represented by a straight line that passes through the origin (0,0).
Tags
CCSS.7.RP.A.2D
6.
FLASHCARD QUESTION
Front
What is the formula for finding the unit rate?
Back
The formula for finding the unit rate is: Unit Rate = Total Quantity / Number of Units.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
7.
FLASHCARD QUESTION
Front
If a table shows 9 apples for $1, what is the unit rate?
Back
The unit rate is 1 apple for $0.11 (1/9 dollars per apple).
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
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