What is proportionality?
Proportionality in Tables, Graphs, and Equations

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Proportionality refers to a relationship between two quantities where their ratio remains constant. If one quantity increases, the other increases at a consistent rate.
2.
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).
3.
FLASHCARD QUESTION
Front
What is the equation of a proportional relationship?
Back
The equation of a proportional relationship can be expressed as y = kx, where k is the constant of proportionality.
4.
FLASHCARD QUESTION
Front
How can you identify a non-proportional graph?
Back
A non-proportional graph does not pass through the origin and does not maintain a constant ratio between the x and y values.
5.
FLASHCARD QUESTION
Front
What is the constant of proportionality?
Back
The constant of proportionality (k) is the ratio of y to x in a proportional relationship, represented as k = y/x.
6.
FLASHCARD QUESTION
Front
If y = 3x, what is the constant of proportionality?
Back
The constant of proportionality is 3.
7.
FLASHCARD QUESTION
Front
How do you solve a proportion?
Back
To solve a proportion, cross-multiply the terms and then isolate the variable.
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