Graphs of proportional relationships
Flashcard
•
Mathematics
•
7th Grade
•
Hard
+5
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 identify a proportional relationship from a graph?
Back
A proportional relationship can be identified on a graph as a straight line that passes through the origin (0,0).
Tags
CCSS.7.RP.A.2D
3.
FLASHCARD QUESTION
Front
What is the constant of proportionality?
Back
The constant of proportionality is the constant ratio between two proportional quantities, often represented as 'k' in the equation y = kx.
Tags
CCSS.7.RP.A.2B
4.
FLASHCARD QUESTION
Front
If y varies directly with x, what is the equation that represents this relationship?
Back
The equation is y = kx, where k is the constant of proportionality.
Tags
CCSS.7.RP.A.2B
5.
FLASHCARD QUESTION
Front
How do you find the constant of proportionality from given values of x and y?
Back
To find the constant of proportionality, divide the value of y by the value of x (k = y/x).
Tags
CCSS.7.RP.A.2B
6.
FLASHCARD QUESTION
Front
What does the slope of a line represent in a proportional relationship?
Back
The slope of a line in a proportional relationship represents the constant of proportionality.
Tags
CCSS.7.RP.A.2D
7.
FLASHCARD QUESTION
Front
If you can buy 5 shirts for $60, what is the cost of 2 shirts?
Back
Using the proportion, the cost of 2 shirts can be found using the equation (5/60) = (2/c), which gives c = $24.
Tags
CCSS.7.RP.A.2C
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