Graphing Proportional Relationships
Identifying Proportional Relationships
Proportional Relationships RANDOM
100
Is the graph proportional? 
YES
100
True or False?
To find the constant of proportionality, you divide the “x” by the “y”
FALSE
100
How do you find the constant of proportionality?
y/x
200
Which of the following is proportional?
a. 
A
200
Is the graph a proportional relationship? Why?
NO
Does not go through the origin
200
(3,4) (6,12)
Are the two points proportional?
NO
300
What is the ordered pair of the origin?
(0,0)
300
(5,10) is a proportional relationship. What is the constant of proportionality?
k = 2
300
Given the table is proportional. Solve for K
K = 13
400
What 2 characteristics make a graph proportional?
Line is straight
Line goes through the origin (0,0)
400
Is the table proportional?
Yes, it is proportional
400
(4, 28) (9, 63)
Are these two points proportional?
YES
500
What does the point (2,100) mean?
$100 in 2 hours
500
Is the table proportional?
No, the table is not proportional
500
Mr. Basista was able to create 3 questions every 5 minutes. Keeping a constant rate, how long would it take to create a game with 24 questions?
40 minutes