Proportions
Flashcard
•
Mathematics
•
7th Grade
•
Hard
Wayground Content
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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
What is the constant of proportionality?
Back
The constant of proportionality is the constant value (k) that relates two variables in a proportional relationship, often represented as y = kx.
3.
FLASHCARD QUESTION
Front
How do you find the constant of proportionality from a table?
Back
To find the constant of proportionality from a table, divide the output value by the input value for any pair of corresponding values.
4.
FLASHCARD QUESTION
Front
What does it mean for two quantities to vary directly?
Back
Two quantities vary directly if they increase or decrease together at a constant rate.
5.
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.
6.
FLASHCARD QUESTION
Front
How can you determine if a graph represents a proportional relationship?
Back
A graph represents a proportional relationship if it is a straight line that passes through the origin (0,0).
7.
FLASHCARD QUESTION
Front
If 3 oranges cost $12, what is the cost of 1 orange?
Back
The cost of 1 orange is $4.
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