
Comparing Proportional Relationships (P.3)
Flashcard
•
Mathematics
•
7th - 9th 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 quantity is constant.
2.
FLASHCARD QUESTION
Front
How do you determine the constant of proportionality from an equation?
Back
The constant of proportionality can be determined from an equation in the form y = kx, where k is the constant.
3.
FLASHCARD QUESTION
Front
What does a steeper line on a graph indicate about the constant of proportionality?
Back
A steeper line indicates a larger constant of proportionality, meaning that for each unit increase in x, y increases more.
4.
FLASHCARD QUESTION
Front
How can you compare two proportional relationships represented by equations?
Back
You can compare them by examining their constants of proportionality; the larger the constant, the steeper the line.
5.
FLASHCARD QUESTION
Front
What is the significance of the y-intercept in a proportional relationship?
Back
In a proportional relationship, the y-intercept is always zero, indicating that when x is zero, y is also zero.
6.
FLASHCARD QUESTION
Front
How do you find the total cost if you know the price per hour and the number of hours?
Back
Multiply the price per hour by the number of hours to find the total cost.
7.
FLASHCARD QUESTION
Front
What is the formula for calculating the unit rate?
Back
The unit rate is calculated by dividing the total quantity by the number of units, expressed as quantity per unit.
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