Proportions

Flashcard
•
Mathematics
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a proportion?
Back
A proportion is an equation that states that two ratios are equal.
2.
FLASHCARD QUESTION
Front
How do you find a missing value in a proportion?
Back
To find a missing value in a proportion, you can cross-multiply and solve for the unknown.
3.
FLASHCARD QUESTION
Front
What is the formula for calculating speed?
Back
Speed = Distance / Time.
4.
FLASHCARD QUESTION
Front
If a car travels 420 miles in 8 hours, what is its speed?
Back
Speed = 420 miles / 8 hours = 52.5 miles per hour.
5.
FLASHCARD QUESTION
Front
What is a ratio?
Back
A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.
6.
FLASHCARD QUESTION
Front
Write the ratio of 10 clown fish to 12 goldfish.
Back
10:12.
7.
FLASHCARD QUESTION
Front
What does it mean if two ratios are equivalent?
Back
It means that they represent the same relationship between quantities.
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