What is a proportion?
Proportions

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
A proportion is an equation that states that two ratios are equal.
2.
FLASHCARD QUESTION
Front
How do you find the constant of proportionality?
Back
The constant of proportionality is found by dividing one quantity by the other in a proportional relationship.
3.
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.
4.
FLASHCARD QUESTION
Front
If 2 apples cost $20, what is the cost of 1 apple?
Back
The cost of 1 apple is $10.
5.
FLASHCARD QUESTION
Front
How do you determine if two ratios form a proportion?
Back
Two ratios form a proportion if their cross products are equal.
6.
FLASHCARD QUESTION
Front
What is the formula for direct variation?
Back
The formula for direct variation is y = kx, where k is the constant of proportionality.
7.
FLASHCARD QUESTION
Front
If a car travels 280 miles in 7 hours, what is its speed in miles per hour?
Back
The speed is 40 miles per hour.
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