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The cost to board a dog at a kennel varies directly to the number of nights in which the dog will stay. If four nights cost $96, identify the constant of proportionality and write an equation to represent the relationship.
y=24x
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
The number of calories in a bag of cookies varies directly to the number of cookies in the bag. If a bag with sixteen cookies contains 1,120 calories, determine how many calories are in five cookies.
350 calories
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
Determine if the data shown in the table represents a proportional relationship. If yes, give the constant rate of change.
Yes; 38 words/minute
Determine if the data shown in the table represents a proportional relationship. If yes, give the constant rate of change.
No
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
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
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
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
Given the equation, determine whether a constant rate of change exists. If yes, identify the constant of proportionality.
No
Given the equation, determine whether a constant rate of change exists. If yes, identify the constant of proportionality.
No
Given the equation, determine whether a constant rate of change exists. If yes, identify the constant of proportionality.
Yes; k=-1
Given the equation, determine whether a constant rate of change exists. If yes, identify the constant of proportionality.
Yes; k=1/2
Given the equation, determine whether a constant rate of change exists. If yes, identify the constant of proportionality.
No
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
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
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
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
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 = 4; y = 4x