Constant of Proportionality
Flashcard
•
Mathematics
•
7th Grade
•
Hard
+1
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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, indicating how much one quantity changes in relation to another. For example, if 5 packets of biscuits are produced per day, the constant of proportionality is 5.
Tags
CCSS.7.RP.A.2B
2.
FLASHCARD QUESTION
Front
Which graph is proportional?
Back
A proportional graph is a straight line that passes through the origin (0,0). All of the graphs are proportional if they maintain a constant ratio.
Tags
CCSS.7.RP.A.2D
3.
FLASHCARD QUESTION
Front
Write an equation for this relationship: If y is directly proportional to x and the constant of proportionality is 18.50.
Back
The equation is y = 18.50x.
Tags
CCSS.7.RP.A.2C
4.
FLASHCARD QUESTION
Front
Esmerelda drives at the same speed for 3 hours and drives a total of 186 miles. What is the constant in this situation?
Back
The constant is 62 mph, calculated by dividing the total distance by the time (186 miles / 3 hours).
Tags
CCSS.7.RP.A.2C
5.
FLASHCARD QUESTION
Front
Which equation represents this situation: A relationship where y is directly proportional to x with a constant of proportionality of 15?
Back
The equation is y = 15x.
Tags
CCSS.7.RP.A.2C
6.
FLASHCARD QUESTION
Front
Define proportional relationship.
Back
A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other is constant.
Tags
CCSS.7.RP.A.2A
7.
FLASHCARD QUESTION
Front
What does it mean if a graph is not proportional?
Back
If a graph is not proportional, it does not represent a constant ratio between the two variables, often resulting in a curve or a line that does not pass through the origin.
Tags
CCSS.7.RP.A.2D
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