Given the table, determine whether a constant rate of change exists. If yes, identify the constant of proportionality and write the equation that represents the relationship.
Yes; k = -2; y=-2x
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15
Determine if the data shown in the table represents a proportional relationship. If yes, give the constant rate of change.
No
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15
Given the graph, determine whether a constant rate of change exists. If yes, identify the constant of proportionality and write the equation that represents the relationship.
No
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20
Determine if the data shown in the table represents a proportional relationship. If yes, give the constant rate of change.
Yes; 38 words/minute
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25
Given the graph, determine whether a constant rate of change exists. If yes, identify the constant of proportionality and write the equation that represents the relationship.
Yes; k=-5/2; y=-5/2x
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25
Hannah’s pay varies directly to the number of hours she works. If she made $231 for 28 hours of work, identify the constant of proportionality and write an equation to represent the relationship.
y=8.25x
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20
Given the graph, determine whether a constant rate of change exists. If yes, identify the constant of proportionality and write the equation that represents the relationship.
Yes; k=2; y=2x
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10
Given the table, determine whether a constant rate of change exists. If yes, identify the constant of proportionality and write the equation that represents the relationship.
Yes; k=1/3; y=1/3x
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10
Given the table, determine whether a constant rate of change exists. If yes, identify the constant of proportionality and write the equation that represents the relationship.
No
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heart
Other team wins 25 points!
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Take 20 points!
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fairy
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25
baam
Lose 10 points!
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Lose 50 points!
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fairy
Take points!
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gift
Win 10 points!
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lifesaver
Give 20 points!
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20
The cost to download songs on a music app varies directly to the number of songs downloaded. If it costs $5.95 to download 7 songs, find the cost to download 20 songs.
$17
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20
Given the graph, determine whether a constant rate of change exists. If yes, identify the constant of proportionality and write the equation that represents the relationship.
No
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10
Given the equation, determine whether a constant rate of change exists. If yes, identify the constant of proportionality.
Yes; k=1/2
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5
Given the equation, determine whether a constant rate of change exists. If yes, identify the constant of proportionality.
