Red
Yellow
Blue
Green
Orange
100
From the following 2 points on a graph what is the constant of proportionality? (0, 0) and (2,6)
3
100
Amber work at an ice cream shop. Her wages and hours are shown below in the chart. What is the constant of proportionality?
Hours (x) Wages (y)
2 16
4 32
6 48
8
100
Rachel walks dogs on the weekends. If the equation
y = 9x
represents the amount of money, y, she earns from walking x number of dogs. How much money does she make after walking 5 dogs?
$45
100
Does the table show a proportional relationship?
YES
100
Fill in the missing blank
160
200
Find the constant of proportionality
K = 3
200
What is the constant of proportionality shown in the table?
(x) (y)
4 2
8 4
6 3
0.5 or 1/2
200
Write an equation to represent this situation if the cost is proportional to the number of pounds of ham.
y = 4x
200
Jean has $20 in her savings account. Starting next week, she will deposit $3 in her account every week. Is the amount of money in her account proportional to the number of weeks?
NOT PROPORTIONAL
200
Fill in the missing blank
3
300
Which graph is proportional?
A
300
What is the constant of proportionality shown in the table?
(x) (y)
4 80
6 120
8 160
10 200
20
300
What is the equation of this graph? 
Y= 40 x
300
Table B
300
Fill the missing blanks
