Graphing Proportional Relationships
Equations of Proportional Relationships
Identifying Proportional Relationships
Proportional Relationships RANDOM
POP QUIZ
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)
PROPORTIONAL
k = 3
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
100
Carl Griffith names a microbial "starter" for one type of this food which dates back to settlers on the Oregon Trail. The South African dish bunny chow consists of a piece of this food filled with curry. This food is leavened by adding gas to it, often through fermentation with yeast. Simple recipes for this food call for only flour and water. Sourdough and pumpernickel are types of what food which is cooked to make toast?
Bread
200
Using this graph, What is being compared? 
Earth weight to Moon weight
200
Is this equation proportional? y= 4x + 10
If so what is the constant of proportionality? (k)
Not proportional
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
200
Hanukkah lasts for how many days?
8
300
What 2 characteristics make a graph proportional?
Line is straight
Line goes through the origin (0,0)
300
Is this equation proportional? y= ¾ x
If so what is the constant of proportionality? (k)
PROPORTIONAL
k = 3/4
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
300
At the end of this novel, the main character is devastated when 511 children "balloon" from his residence. In this novel, a rodent named Templeton refuses to help other characters unless he is offered food. One character in this novel weaves words such as "SOME PIG!" and "TERRIFIC" into the title object. Name this novel by E. B. White about a certain spider and Pig.
Charlotte's Web
400
Is this graph proportional?
YES
400
If the constant of proportionality is 0.25, what is the equation for the direct variation?
y = 0.25x or y = 1/4x
400
Is the table proportional?
Yes, it is proportional
400
When creating this game, Mr. Galindo 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
400
This number is the only number that is used in the expression of the golden ratio through continued fractions. Raising i to the fourth power gives this number, while raising anything to the zeroth power also gives this number. This number is the only positive integer that is neither prime nor composite. What is this smallest positive integer?
One
500
Slope is also known as_________?
rise/run, k, m, CoP, rate
500
Kim tries to bike 15 miles (y) every 3 days (x)
What is the constant of proportionality and equation for the relationship?
k = 5
y = 5x
500
Is the equation y = x/6 proportional?
Yes, the equation is proportional
500
A recipe for chocolate chip muffins call for 4 cups of flour to 1 cup of chocolate chips. Which of the following shows a proportional ratio for the recipe?
a. 8 cups of flour to 2 cups of chocolate chips
b. 3 cups of flour to 1 cup of chocolate chips,
c. 1 cup of flour for 1 cup of blueberries.
A
500
What is Mrs. Stohr's favorite Christmas movie?
The Family Stone or Christmas Vacation
600
Which of the following is proportional?
a. 
A
600
Using this graph, What is the equation?
y = 20x
600
Is the table proportional?
No, the table is not proportional
600
(4, 28) (9, 63)
Are these two points proportional?
YES
600
This Hall of Famer, known as The Big Fundamental won 5 NBA championships with the San Antonio Spurs and played his entire 19-year career there.
Tim Duncan