What is the purpose of using the constant of proportionality in equations?

Understanding Proportional Relationships

Interactive Video
•
Mathematics
•
6th - 7th Grade
•
Hard

Ethan Morris
FREE Resource
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To express the relationship between two unrelated quantities
To find the sum of two quantities
To express the relationship between two proportional quantities
To determine the difference between two quantities
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you find the constant of proportionality between two quantities?
By adding the two quantities
By multiplying the two quantities
By dividing the dependent variable by the independent variable
By subtracting the independent variable from the dependent variable
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key characteristic of proportional quantities on a graph?
They form a horizontal line
They form a zigzag pattern
They form a straight line through the origin
They form a curved line
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to ensure quantities are proportional before finding the constant of proportionality?
Because non-proportional quantities can still use the same constant
Because proportional quantities have a constant ratio
Because proportional quantities have a variable ratio
Because non-proportional quantities are easier to calculate
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit rate or constant of proportionality mentioned in the lesson?
30 over 1
45 over 1
15 over 1
60 over 1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example of yards and feet, what is the constant of proportionality?
5 feet per yard
3 feet per yard
4 feet per yard
2 feet per yard
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the equation that represents the relationship between yards and feet?
y = 3x
y = 4x
y = 5x
y = 2x
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the equation y = 3x imply in the context of the example?
For every yard, there are 3 feet
For every foot, there are 3 yards
For every yard, there are 2 feet
For every foot, there are 2 yards
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