
Assessment Review
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
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. This means that as one quantity increases or decreases, the other quantity does so in a consistent manner.
2.
FLASHCARD QUESTION
Front
How do you determine the constant of proportionality?
Back
The constant of proportionality can be found by dividing one quantity by the other in a proportional relationship. For example, if y varies directly with x, then the constant of proportionality k can be found using the formula k = y/x.
3.
FLASHCARD QUESTION
Front
If Heather earns $174 for 24 hours of work, how much does she earn per hour?
Back
To find the hourly wage, divide the total pay by the number of hours: $174 / 24 hours = $7.25 per hour.
4.
FLASHCARD QUESTION
Front
What is the equation of a proportional relationship?
Back
The equation of a proportional relationship can be expressed in the form y = kx, where k is the constant of proportionality.
5.
FLASHCARD QUESTION
Front
What is a non-proportional relationship?
Back
A non-proportional relationship is a relationship where the ratio of one quantity to another is not constant. This often includes an additional constant term, such as in the equation y = mx + b, where b is not zero.
6.
FLASHCARD QUESTION
Front
How can you identify a proportional relationship from a graph?
Back
A proportional relationship will graph as a straight line that passes through the origin (0,0). If the line does not pass through the origin, the relationship is non-proportional.
7.
FLASHCARD QUESTION
Front
What is the formula to find the total pay for a given number of hours worked in a proportional relationship?
Back
The formula is Total Pay = Hourly Rate × Number of Hours Worked.
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