Graphing Proportional Relationships
Equations of Proportional Relationships
Identifying Proportional Relationships
Random
100
what coordinate point is the origin?
0,0
100
Is this equation proportional? y= 3x
If so what is the constant of proportionality? (K)
Yes
k=3
100
Which table does not show a proportional relationship?
A
100
Identify the Base and Exponent for the following:
83
Base - 8
Exponent - 3
200
Is this relationship proportional?
No
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
What is 45 in expanded and standard format?
4 x 4 x 4 x 4 x 4 = 1,024
300
what are 3 ways to tell if a graph is proportional
if the line is straight
goes through the origin
has a constant
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
Andre rode his bike at a constant speed. He rode 1 mile in 5 minutes. Which of these equations represents the amount of time t (in minutes) that it takes him to ride a distance of d miles?
t=5d
y=5x maybe lose half point on test
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
Complete the table so there is a constant proportionality.
See board.
500
Write an equation that relates gallons of water used (w) to time (m).
w = 5m
500
Write an equation for the table given the table is proportional.
Y= 3/2 x
500
Write an equation that represents the proportional relationship between pounds of apples (p) and total cost (c).
c = 3p
500
What is Mrs. Leonard's two son's names?
Jaxyn and Zayne