Form 2: Finding the Constant of Proportionality
Identify and calculate the constant of proportionality from sets of related quantities. This exercise focuses on finding the constant ratio between dependent and independent variables.
Questions
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MultiChoice
What is the constant of proportionality k in y = 7x?
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MultiChoice
If y is proportional to x and y = 12 when x = 3, what is k?
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MultiChoice
If y is proportional to x and y = 5 when x = 20, what is k = y/x?
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MultiChoice
Table: (x: 2, 4, 6; y: 10, 20, 30). What is the constant of proportionality?
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MultiChoice
Which equation represents a proportional relationship with k = 2.5?
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MultiChoice
If a car travels 150 miles in 3 hours at a constant speed, what is k (mph)?
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MultiChoice
Is the relationship with constant ratio k = 0 non-zero and constant proportional?
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MultiChoice
Table: (x: 6, 9, 12; y: 2, 3, 4). What is k = y/x?
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MultiChoice
If y = (3/5)x, what is the constant of proportionality?
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MultiChoice
If y = 18 when x = 6 in a proportional relationship, find y when x = 10.
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MultiChoice
If y = 8 when x = 2 in a proportional relationship, what is the value of k?
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MultiChoice
Table: (x: 5, 8, 10; y: 15, 24, 30). What is the constant of proportionality?