What is the constant of proportionality?
Constant of Proportionality

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The constant of proportionality is the constant value (k) that relates two proportional quantities, expressed as y = kx.
2.
FLASHCARD QUESTION
Front
Which of the following represents a constant of proportionality?
Back
A constant of proportionality is a fixed ratio between two variables, such as 3 in the equation y = 3x.
3.
FLASHCARD QUESTION
Front
How do you find the constant of proportionality from a table of values?
Back
To find the constant of proportionality, divide the value of y by the corresponding value of x for any pair of values in the table.
4.
FLASHCARD QUESTION
Front
If y = 5x, what is the constant of proportionality?
Back
The constant of proportionality is 5.
5.
FLASHCARD QUESTION
Front
What is the unit rate of 240 miles in 3 hours?
Back
The unit rate is 80 miles per hour.
6.
FLASHCARD QUESTION
Front
If the constant of proportionality is 0.25, what is the equation?
Back
The equation is y = 0.25x.
7.
FLASHCARD QUESTION
Front
What does a constant of proportionality of 1 indicate?
Back
A constant of proportionality of 1 indicates that y is equal to x; they increase at the same rate.
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