Graphs
Equations
Are they proportional?
Find the Constant of Proportionality
100
what ordered pair represents the orgin on a graph?
(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
How do you find the Constant of Proportionality when given x and y?
y/x
200
what are 2 ways to tell if a graph is proportional
if the line is straight
goes through the orgin
200
Is this equation proportional? If so what is the constant of proportionality? (K=)
y= ¾ x
proportional
k= 3/4
200
Is the graph a proportional relationship? Why?
NO
Does not go through the origin
200
Solve
n=3.8
300
Is this graph proportional?
YES
300
Using this graph, What is the equation? 
y= 1/6x
300
Is the table proportional?
No
300
Given the table is proportional. Solve for K
K = 13
400
Is the graph below proportional or not proportional and why?
Not proportional because it is not a straight line.
400
Write an equation for the table given the table is proportional.
Y= 3/2 x
400
Is the table proportional?
Yes it is proportional
400
y/x=6/2
what is this constant of proportionality
3
500
Write an equation to represent the proportional relationship below.
y=45x
500
Is this equation proportional? If so what is the constant of proportionality? (K=)
y= 4x + 10
Not proportional
500
a) yes
500
8.75 hours