Which of the following is a characteristic of a proportional relationship in a graph?
Determining the Constant of Proportionality from a Graph

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Mathematics
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1st - 6th Grade
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It forms a zigzag pattern.
It forms a curved line.
It starts at the origin and forms a straight line.
It starts at any point on the graph.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a proportional relationship, how can the constant of proportionality be expressed?
As the ratio of y to x.
As the difference between x and y.
As the product of x and y.
As the sum of x and y.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula used to express y in terms of x and the constant of proportionality k?
y = x + k
y = k - x
y = k / x
y = k * x
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the given example, what is the unit rate of miles per hour?
45 miles per hour
75 miles per hour
30 miles per hour
60 miles per hour
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you find the constant of proportionality from a graph?
By subtracting x from y.
By dividing y by x.
By finding the ratio of x to y.
By adding the x and y coordinates.
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