
Understanding Proportional Relationships

Interactive Video
•
Mathematics
•
6th - 8th Grade
•
Hard

Thomas White
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the equation used to represent proportional relationships?
y = mx + b
y = kx
y = x + c
y = ax^2 + bx + c
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the showerhead example, what does the constant of proportionality (k) represent?
The total gallons used
The time taken for a shower
The number of gallons per minute
The number of minutes
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit rate in the showerhead example?
5 gallons per minute
20 gallons per minute
10 gallons per minute
15 gallons per minute
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you determine if a graph represents a proportional relationship?
The graph has a negative slope
The graph has a positive slope
The graph is a straight line that passes through the origin
The graph is a curve
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the constant of proportionality indicate in a graph?
The curvature of the graph
The y-intercept of the graph
The slope of the graph
The x-intercept of the graph
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the origin in a proportional relationship graph?
It indicates the maximum value
It shows the starting point of the graph
It confirms the relationship is proportional
It represents the average value
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the house cleaning company example, what does the point (1, 45) on the graph represent?
45 hours of work
1 hour of work costing $45
45 minutes of work
1 minute of work costing $45
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