Unit 3 Review - Bryan
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the equation for a proportional relationship in the form y=kx?
Back
The equation represents a direct variation where y is directly proportional to x, with k being the constant of proportionality.
2.
FLASHCARD QUESTION
Front
What is the unit cost or price per gallon if Gabby spent $44.10 for 14 gallons of gas?
Back
$3.15
3.
FLASHCARD QUESTION
Front
What does the constant of proportionality represent in a rate problem?
Back
It represents the ratio of the dependent variable to the independent variable, indicating how much one variable changes in relation to another.
4.
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.
5.
FLASHCARD QUESTION
Front
What does the point (7, 56) represent in a graph showing total markers in packages?
Back
The number 56 represents the number of markers in 7 packages.
6.
FLASHCARD QUESTION
Front
How do you calculate the unit cost from total cost and quantity?
Back
Unit cost = Total cost / Quantity.
7.
FLASHCARD QUESTION
Front
What is the formula to find the constant of proportionality from a table of values?
Back
Constant of proportionality (k) = y/x for any pair of (x, y) values.
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