Proportional Relationships
Equations of Proportional Relationships
Identifying Proportional Relationships
Solve
100
What is the ordered pair of the origin?
(0,0)
100
What is the equation that represents a proportional relationship in all letters?
y=mx
100
Are these ratios proportional? 
Yes
100
if y = 5x what is y when x = 2?
10
200
What is the unit rate of the point ( 1 , 9 )
9
200
Is this equation proportional? y= 3x
If so what is the constant of proportionality?
Yes
m=3
200
a) yes
200
Finish the table
X 0 1 2 3 4
Y 0 3 6 9 ?
12
300
If a toy train travels 60 centimeters in 4 seconds, what is it's speed in centimeters per second?
15 centimeters per second
300
Is this equation proportional? If so what is the constant of proportionality?
y= 3/4x
proportional
m= 3/4
300
What word has 26 letters but only 3 syllables?
Alphabet
300
Solve
n=3.8
400
You make three proportional deposits into your bank account that total $15.45. What is the unit rate of the deposits?
$5.15
400
Is this equation proportional? If so what is the constant of proportionality?
y= 4x + 10
Not proportional
400
Is the table proportional? Why?
Yes it is proportional, same constant m=9.
400
Given the table is proportional. Find the Unit Rate
13 Apples per Tree
500
Recipe 1 is given by the equation y = 4x where x represents the cups of lemonade mix and y represents the cups of water.
If Tyler had 16 cups of lemonade mix, how many cups of water would he need?
64 cups of water
500
Write an equation for the table given the table is proportional.
Y= 3/2 x
500
Is the table proportional? Why?
No, not the same constant.
500
8.75 hours