Constant of Proportionality Review

Flashcard
•
Mathematics
•
7th Grade
•
Hard
+4
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1.
FLASHCARD QUESTION
Front
What is the constant of proportionality?
Back
The constant of proportionality is the ratio between two proportional quantities, often represented as k in the equation y = kx.
Tags
CCSS.7.RP.A.2B
2.
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, if 15 pizzas cost $97.50, the unit rate is $97.50 ÷ 15 = $6.50 per pizza.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
3.
FLASHCARD QUESTION
Front
What does 'unit' mean in mathematics?
Back
In mathematics, 'unit' refers to one single item or quantity.
Tags
CCSS.4.OA.B.4
4.
FLASHCARD QUESTION
Front
Write the equation for a proportional relationship where y increases by 3 for every increase of 1 in x.
Back
y = 3x.
Tags
CCSS.7.RP.A.2C
5.
FLASHCARD QUESTION
Front
If a car travels 195 miles in 3 hours, what is its speed in miles per hour?
Back
The speed is 195 miles ÷ 3 hours = 65 miles per hour.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
6.
FLASHCARD QUESTION
Front
What is the formula to calculate the constant of proportionality from a table of values?
Back
The constant of proportionality can be calculated by dividing the y-value by the corresponding x-value.
Tags
CCSS.7.RP.A.2B
7.
FLASHCARD QUESTION
Front
If y = 4x, what is the constant of proportionality?
Back
The constant of proportionality is 4.
Tags
CCSS.7.RP.A.2B
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