Constants as Fractions
Constants as Tables
Constants as graphs
Evaluating The Function
True or False
100
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100
What is the constant of proportionality:
Items (x): 1 2 3 4 6
Cost (y): 12 24 36 48 72
What is 12
100
what is the constant of proportionality:
What is 50
100
Using the equation: y = x -8
What is the value of y if x = -10
-18
100
To find the constant of proportionality you must use y/x. If false what is the correct answer?
What is true
200
what is the constant of proportionality: $28.00/7apples
$4/apple
200
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200
what is the constant of proportionality:
What is 2.
200
Using the equation: y = -5x - 5
What is the value of y if x = -5
20
200
Another name for constant of proportionality is the rate of change. If false what is the correct answer?
What is true
300
what is the constant of proportionality: 24miles/8hours
3miles/1hour
300
what is the constant of proportionality:
Number of min. (x): 0 1 2 3 4 5 6
Number of gall. (y): 0 10 20 30 40 50 60
What is 10 gallons per minute
300
what is the constant of proportionality:
What is 8.
300
Using the equation: y = 8x
What is the value of y if x = -4
-32
300
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400
36miles/4hours what is the constant of proportionality?
What is 9miles/1hour
400
find the constant of proportionality:
Waffle Mix(cups) (x) 2 3 4
Water(cups) (y) 1.5 2.25 3
What is 3/4c or .75c per cup of water
400
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400
Using the equation: y = -9x + 2
What is the value of y if x = -2
20
400
Jacob eats 12 hotdogs in 3 minutes. The constant of proportionality is 1 hotdog in 4 minutes. If false, what is the correct answer?
What is false. 4 Hotdogs in 1 minute
500
what is the constant of proportionality: 25miles/5 hours
What is 5miles/1hour
500
find the constant of proportionality:
sprinkles (x): 7 14 21 28
cupcakes (y): 3 6 9 12
What is 3/7 or 0.4285714 repeating
500
what is the constant of proportionality?
2
500
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500
On a graph, a proportional situation will sometimes go through the origin. If false, what is the correct answer?
What is false. It ALWAYS goes through the origin.