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Constant Of Proportionality
In the equation y = 14x, what is the constant of proportionality?
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y
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x
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14
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1/14
What does k represent in the equation y = kx?
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konkrete kids
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constant of proportionality
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kangaroos
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krispy kreme
Which equation matches the graph?
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y = 8x
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y = 1x
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y = 3x
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y = 16x
The constant of proportionality in the equation y = ½x is _______.
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x
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y
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1/2
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2
The constant of proportionality can be found by finding the __________ _____________.
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unit rate
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ratio rate
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proportion answer
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rational number
Determine the constant of proportionality for the table. Express your answer as y = kx
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y = 1/2x
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x = 1/2y
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y = 2x
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k = x
Determine the constant of proportionality for the table. Express your answer as y = kx
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y = 30k
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y = 30x
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y = 0.03x
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y = 9x
Determine the constant of proportionality for the table. Express your answer as y = kx
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y = 33x
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y = 0.003x
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x = 33y
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33k
Determine the constant of proportionality for the table. Express your answer as y = kx
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33
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y = 1/3x
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y = 33x
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y = 33
Determine the constant of proportionality for the table. Express your answer as y = kx
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15k
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x = 15y
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y = 0.06x
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y = 15x
k represents
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the constant of proportionality
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the king
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ketchup
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a strikeout
Which equation matches the constant of proportionality?
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x = y
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y = x
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y = kx
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l x w
Which equation helps you solve for k?
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k = x/y
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k = y/x
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k = y + x
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k = 2x
Which equation is NOT proportional?
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y = 2x - 3
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y = 150x
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y = 1/2x
Which best describes the graph represented in this table?
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proportional
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non-proportional
What is the constant of proportionality?
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$3
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$4
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$2
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$9
Is the given table a proportional relationship? If so, what is the constant?
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Yes; 1/3
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Yes; 3
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Yes; 5
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No
Determine the missing value in the table.
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15
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3
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1/3
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9
Identify the constant of proportionality.
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k = 2
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k = 4
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k = 1/2
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k = 1/4
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none (not proportional)
Is this table proportional?
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Yes
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No
The constant of proportionality is also the unit rate.
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True
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False
If Justin can type 408 words in 4 minutes, how many words can he type per minute?
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102 words per minute
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100 words per minute
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400 words per minute
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412 words per minute
Is the given table a proportional relationship? If so, what is the constant?
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Yes; 1/3
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Yes; 3
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Yes; 5
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No
Write the equation for the table given.
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y = 16x
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y=8x
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y=12x
What is the constant of proportionality for this table?
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$1/9 per hour
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$9 per hour
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$8 per hour
Is this table proportional or non-proportional?
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Yes
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No
Write an equation for this relationship.
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y = 18x
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y = 18.50x
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y = 22.50x
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y = 22x
What is the direct variation?
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y=9/3x
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y=6x
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y=9x
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y=3x
Determine the direction variation.
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y=1x
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y=4x
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y=8x
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y-2x
What is the constant of proportionality for the following graph?
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80
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20
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40
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160
Is the graph proportional or non proportional?
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Yes
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No
Which graph shows a proportional relationship?
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A
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B
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C
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D
What is k in this proportional relationship?
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60
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120
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1
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180
What is the COP of this graph?
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4/3
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1
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4
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3/4
What is the equation for the graph?
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y=½x
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y=2x
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x=2y
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x=½y
Which statement matches the graph?
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Taylor can write 6 words per minute
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Taylor can write 25 words per minute
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Taylor can write 50 words per minute
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Taylor can write 150 words per minute
Which of the following rates of change represents the graph shown?
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2 boys for every 1 girl
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0.5 boys for every 1 girl
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6 boys for every 1 girl
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3 boys for every 1 girl
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