What is a proportional relationship?
Proportional Relationships and Equations

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•
Mathematics
•
8th Grade
•
Hard
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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 is the equation of a proportional relationship?
Back
The equation of a proportional relationship can be expressed as y = kx, where k is the constant of proportionality.
3.
FLASHCARD QUESTION
Front
What does the y-intercept represent in a linear equation?
Back
The y-intercept is the point where the line crosses the y-axis, representing the value of y when x is 0.
4.
FLASHCARD QUESTION
Front
How do you identify a proportional relationship from a graph?
Back
A proportional relationship is identified by a straight line that passes through the origin (0,0).
5.
FLASHCARD QUESTION
Front
What is the constant of proportionality?
Back
The constant of proportionality is the constant value (k) that relates the two variables in a proportional relationship.
6.
FLASHCARD QUESTION
Front
Which equation represents a non-proportional relationship?
Back
y = 2x - 3 is a non-proportional relationship because it does not pass through the origin.
7.
FLASHCARD QUESTION
Front
If y = 4 + 5x, what is the cost for 3 games?
Back
The cost for 3 games is y = 4 + 5(3) = 19.
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