What is a proportional relationship?
FA 3.2 Proportional Relationships/Scale Factor
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Mathematics
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7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other is constant.
2.
FLASHCARD QUESTION
Front
What does the term 'scale factor' mean?
Back
The scale factor is a number that scales, or multiplies, a quantity. In proportional relationships, it is the constant ratio between corresponding values.
3.
FLASHCARD QUESTION
Front
How can you determine if a table represents a proportional relationship?
Back
A table represents a proportional relationship if the ratios of the values are constant and the graph passes through the origin.
4.
FLASHCARD QUESTION
Front
What is the unit rate in a proportional relationship?
Back
The unit rate is the ratio of two measurements in which the second quantity is 1. It represents how much of one quantity corresponds to one unit of another.
5.
FLASHCARD QUESTION
Front
What is the formula for a proportional relationship?
Back
The formula for a proportional relationship is y = mx, where m is the constant of proportionality.
6.
FLASHCARD QUESTION
Front
How do you identify the constant of proportionality in a table?
Back
To identify the constant of proportionality, divide the values of one quantity by the corresponding values of the other quantity. If the result is the same for all pairs, it is constant.
7.
FLASHCARD QUESTION
Front
What does it mean if a graph does not pass through the origin?
Back
If a graph does not pass through the origin, it indicates that the relationship is not proportional.
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