Understanding Proportional Relationships

Flashcard
•
Mathematics
•
8th Grade
•
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 in the equation y = kx?
Back
The constant of proportionality is the value 'k' that relates the two variables x and y.
Tags
CCSS.7.RP.A.2B
3.
FLASHCARD QUESTION
Front
How do you express a proportional relationship mathematically?
Back
A proportional relationship can be expressed as y = kx, where k is the constant of proportionality.
Tags
CCSS.7.RP.A.2C
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 = 5x, what is the constant of proportionality?
Back
The constant of proportionality is 5.
Tags
CCSS.7.RP.A.2B
6.
FLASHCARD QUESTION
Front
How can you find the constant of proportionality from a table of values?
Back
You can find the constant of proportionality by dividing the value of y by the corresponding value of x (k = y/x).
Tags
CCSS.7.RP.A.2B
7.
FLASHCARD QUESTION
Front
What is the origin in the coordinate plane?
Back
The origin is the point where the x-axis and y-axis intersect, located at (0, 0).
Tags
CCSS.5.G.A.1
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