What is a proportional relationship?
7th Grade - Proportional Relationships - Lesson 1 & 2

Flashcard
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Mathematics
•
7th Grade
•
Easy
Cassaundra Carmichael
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1.
FLASHCARD QUESTION
Front
Back
A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other is constant.
2.
FLASHCARD QUESTION
Front
What does the constant of proportionality (k) represent in the equation y = kx?
Back
The constant of proportionality (k) represents the constant rate of change between the two quantities.
3.
FLASHCARD QUESTION
Front
If a recipe requires 2 cups of flour for every 3 cups of sugar, is this a proportional relationship?
Back
Yes, because the ratio of flour to sugar remains constant.
4.
FLASHCARD QUESTION
Front
What is the formula to find the constant of proportionality from a table of values?
Back
k = y/x, where y is the dependent variable and x is the independent variable.
5.
FLASHCARD QUESTION
Front
If 5 apples cost $10, what is the cost of 1 apple?
Back
$2, because the cost per apple is constant.
6.
FLASHCARD QUESTION
Front
How do you determine if a set of points on a graph represents a proportional relationship?
Back
If the points form a straight line that passes through the origin (0,0), it represents a proportional relationship.
7.
FLASHCARD QUESTION
Front
What is the unit rate?
Back
The unit rate is the ratio of two measurements in which the second quantity is 1.
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