What is a proportional relationship?
Proportional Relationships

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Mathematics
•
6th - 8th 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 quantity is constant.
2.
FLASHCARD QUESTION
Front
What is the unit rate?
Back
The unit rate is the ratio of two measurements in which the second quantity is one unit. For example, if a car travels 60 miles in 1 hour, the unit rate is 60 miles per hour.
3.
FLASHCARD QUESTION
Front
How do you find the cost per item?
Back
To find the cost per item, divide the total cost by the number of items. For example, if 4 boxes of noodles cost $16, the cost per box is $16 ÷ 4 = $4.
4.
FLASHCARD QUESTION
Front
What does it mean if a graph is proportional?
Back
A graph is proportional if it passes through the origin (0,0) and shows a straight line, indicating a constant ratio between the two variables.
5.
FLASHCARD QUESTION
Front
Back
The unit rate is 3.
6.
FLASHCARD QUESTION
Front
How can you determine if two quantities are proportional?
Back
Two quantities are proportional if their ratios are equivalent. For example, if the ratio of quantity A to quantity B is the same as the ratio of quantity C to quantity D, then they are proportional.
7.
FLASHCARD QUESTION
Front
What is the cost per liter if 3 liters of juice cost $6?
Back
The cost per liter is $6 ÷ 3 = $2 per liter.
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