graphing proportional relationships
equations of proportional relationships
identifying proportional relationships
Solve
100
what numbers are the orgin?
0,0
100
Is this equation proportional? y= 3x
If so what is the constant of proportionality? (K)
Yes
k=3
100
True or False?
When you figure the unit rate, you divide the “y” by the “x”
True
100
What is the Constant of Proportionality below
9
200
is this graph proportional? 
yes
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
(3,4)
(6,12)
Are the two points proportional?
NO
300
what are 2 things needed to show 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
(5,10) is on the graph of a proportional relationship. What is the constant of proportionality?
2
300
Given the table is proportional. Solve for K
K = 13
400
What is the unit rate for the graph?
50
400
If y=5x, what is y divided by x for any coordinate on the graph?
5
400
Is the table proportional?
Yes it is proportional
400
It takes Bart 10 minutes to finish writing "I will not talk in school" 30 times. How long would it take him to "I will not talk in school" 90 times
.
30 minutes
500
In the coordinate that shows the unit rate, What is the x value?
1
500
If Mrs. Rice needs 24 feet of yarn to knit 3 hats, write an equation to show how many feet, f she needs for h hats.
f=8h
500
a) yes
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. 3 cups of flour to 1 cup of chocolate chips,
b. 8 cups of flour to 2 cups of chocolate chips
c. 1 cup of flour for 1 cup of blueberries.
B
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
600
Write the equation for this table.
y=9x