Unit 3: Flashcard # 1 Review - Proportional Relationships

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a proportional relationship?
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 constant of proportionality in the equation y = kx?
Back
The constant of proportionality (k) is the number that relates the two variables in a proportional relationship.
3.
FLASHCARD QUESTION
Front
How do you identify a proportional relationship from a graph?
Back
A graph represents a proportional relationship if it is a straight line that passes through the origin (0,0).
4.
FLASHCARD QUESTION
Front
What is the ratio of 4 red apples to 3 green apples?
Back
The ratio is 4:3.
5.
FLASHCARD QUESTION
Front
If y = 8x, what is the constant of proportionality?
Back
The constant of proportionality is 8.
6.
FLASHCARD QUESTION
Front
What does the equation y = kx represent?
Back
It represents a linear relationship where y is directly proportional to x.
7.
FLASHCARD QUESTION
Front
How can you tell if two ratios are equivalent?
Back
Two ratios are equivalent if their cross products are equal.
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