What is the origin in the coordinate plane?
Proportional Relationships

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•
Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The origin is the point (0, 0) where the x-axis and y-axis intersect.
2.
FLASHCARD QUESTION
Front
Write the equation for a proportional relationship where y is 18.50 times x.
Back
y = 18.50x
3.
FLASHCARD QUESTION
Front
What does k represent in the equation y = kx?
Back
k represents the constant of proportionality.
4.
FLASHCARD QUESTION
Front
Is the graph of a proportional relationship a straight line that passes through the origin?
Back
Yes, a proportional relationship is represented by a straight line that passes through the origin.
5.
FLASHCARD QUESTION
Front
If y = 0.2x represents a discount, what does the 0.2 represent?
Back
The 0.2 represents a 20% discount on the item.
6.
FLASHCARD QUESTION
Front
How do you determine if a relationship is proportional?
Back
A relationship is proportional if it can be expressed as y = kx, where k is a constant.
7.
FLASHCARD QUESTION
Front
What is the constant of proportionality in the equation y = 5x?
Back
The constant of proportionality is 5.
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