Unit 3: Flashcard # 1 Review - Proportional Relationships

Flashcard
•
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 is the constant of proportionality in the equation y = 5x?
Back
The constant of proportionality is 5.
3.
FLASHCARD QUESTION
Front
How do you find the unit rate?
Back
To find the unit rate, divide the total amount by the number of units. For example, $97.50 for 15 pizzas gives a unit rate of $6.50 per pizza.
4.
FLASHCARD QUESTION
Front
Is 1:2 equivalent to 2:3?
Back
No, 1:2 is not equivalent to 2:3.
5.
FLASHCARD QUESTION
Front
How do you calculate speed?
Back
Speed is calculated by dividing the distance traveled by the time taken. For example, 182.4 miles in 3 hours gives a speed of 60.8 miles per hour.
6.
FLASHCARD QUESTION
Front
What does it mean if two ratios are equivalent?
Back
Two ratios are equivalent if they represent the same relationship between quantities.
7.
FLASHCARD QUESTION
Front
What is a unit rate?
Back
A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity of one.
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