graphing proportional relationships
equations of proportional relationships
identifying proportional relationships
Solve
100

what is the ordered pair of the origin?

(0,0)

100

Is this equation proportional? y= 3x

If so what is the constant of proportionality? (K)

Yes

k=3

100

Are these ratios proportional? 

Yes 

100

What is the Constant of Proportionality?

y/x or Unit Rate

200

a relationship between 2 quantities such that as one value increases or decreases, the other value will increase or decrease by the same multiple 

proportional 

200

Is this equation proportional? If so what is the constant of proportionality? (K=)


y= 4x + 10 

Not proportional 

200

Is the graph a proportional relationship? Why?

NO 

Does not go through the origin

200

Solve 


n=3.8 

300

what are 2 ways to tell if a graph is proportional 

if the line is straight 

goes through the origin 

300

Is this equation proportional? If so what is the constant of proportionality? (K=)

y= ¾ x

proportional 

k= 3/4

300

Is the table proportional? 


No


300

Given the table is proportional. Solve for K 


K = 13

400

Is this graph proportional? 


YES
400

Using this graph, What is the equation? 

y= 1/6x 

400

Is the table proportional? 


Yes it is proportional 

400

y/x=6/2 

what is this constant of proportionality 

3


500

Recipe 1 is given by the equation y = 4x where x represents the cups of lemonade mix and y represents the cups of water.

If Tyler had 16 cups of lemonade mix, how many cups of water would he need for each recipe? Explain how you know.


64 cups of water

500

Write an equation for the table given the table is proportional. 



Y= 3/2 x

500


a) yes


500


8.75 hours

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