7Accel Unit 4 Proportional Relationships Test Review
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•
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 quantity is constant.
2.
FLASHCARD QUESTION
Front
Define the Constant of Proportionality (k).
Back
The Constant of Proportionality (k) is the constant ratio in a proportional relationship, often represented as k = y/x.
3.
FLASHCARD QUESTION
Front
How do you find the unit rate?
Back
To find the unit rate, divide the total quantity by the number of units. For example, if 12 gallons of water are used in 3 hours, the unit rate is 12/3 = 4 gallons per hour.
4.
FLASHCARD QUESTION
Front
What does the point (1, k) represent on a graph of a proportional relationship?
Back
The point (1, k) represents the Constant of Proportionality, indicating that when the independent variable is 1, the dependent variable is k.
5.
FLASHCARD QUESTION
Front
How can you express a ratio?
Back
A ratio can be expressed in three ways: as a fraction, with a colon, or with the word 'to'. For example, the ratio of 5 chocolate cakes to 3 vanilla cakes can be written as 5/3, 5:3, or '5 to 3'.
6.
FLASHCARD QUESTION
Front
What is the formula for solving proportions?
Back
The formula for solving proportions is cross-multiplication: if a/b = c/d, then a*d = b*c.
7.
FLASHCARD QUESTION
Front
What is a unit rate in terms of speed?
Back
A unit rate in terms of speed is the distance traveled per unit of time, such as miles per hour (mph).
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