What is the main focus of lesson 4.3 d?

Proportional Relationships and Constants

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Mathematics
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6th - 8th Grade
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Hard

Thomas White
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Assessing proportionality
Learning algebraic expressions
Understanding geometry
Studying calculus
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a key question to determine if a relationship is proportional?
Is the sum of the quantities constant?
Does the equation have the form y = kx?
Is the graph a parabola?
Does the graph have a slope of zero?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the constant of proportionality in the example with ordered pairs?
6
4
5
3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example of Sam and Dave raking leaves, why is the relationship not proportional?
The time taken increases with more workers.
The time taken decreases with more workers.
The number of workers decreases the amount of work.
The number of leaves increases with more workers.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the relationship was proportional, what would happen when the number of workers doubled?
The time taken would halve.
The time taken would increase by a factor of four.
The time taken would remain the same.
The time taken would double.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is Emma's cost for rides at the fair not a proportional relationship?
The number of rides is unlimited.
The initial fee makes the graph not pass through the origin.
The cost per ride changes.
The entrance fee is constant.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What makes Tala's reading habit an example of a proportional relationship?
She reads a different number of pages each day.
She reads 30 pages every day.
She reads more pages on weekends.
She reads less as the week progresses.
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