11/9: Math 7 Unit Rates & Constant of Proportionality Review

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•
Mathematics
•
7th Grade
•
Hard
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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.
2.
FLASHCARD QUESTION
Front
What does it mean if a graph passes through the origin?
Back
If a graph passes through the origin, it indicates that when the independent variable (x) is zero, the dependent variable (y) is also zero, which is a characteristic of proportional relationships.
3.
FLASHCARD QUESTION
Front
What is the constant of proportionality?
Back
The constant of proportionality (k) is the constant ratio between two proportional quantities, often represented in the equation y = kx.
4.
FLASHCARD QUESTION
Front
How do you identify a proportional graph?
Back
A proportional graph is a straight line that passes through the origin.
5.
FLASHCARD QUESTION
Front
What does the point (3, 6) represent in a proportional relationship?
Back
The point (3, 6) means that for every 3 units of x, there are 6 units of y, indicating a rate of 2 (6/3).
6.
FLASHCARD QUESTION
Front
What is the equation of a proportional relationship if k = 13?
Back
The equation is y = 13x.
7.
FLASHCARD QUESTION
Front
What is the difference between proportional and non-proportional relationships?
Back
Proportional relationships have a constant ratio and pass through the origin, while non-proportional relationships do not have a constant ratio and may not pass through the origin.
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