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
It costs $29.75 to buy 8.5 pounds of cherries. What is the price per pound?
$3.50
100
160
200
1/2 or 0.5
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
It costs $14.95 to buy a 5 pound bag of coffee. It costs $23.12 to buy a 8 pound bag of coffee? Which is the better buy?
8 pound bag of coffee
200
Table B
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
The total cost of cherries, y, is proportional to the number of pounds of cherries,x. The equation that represents this scenario is.
y = 3x
If the total cost of cherries is $24, how many pounds of cherries did they buy?
8 pounds
300
Amy rides her bike 4 miles in 2 hours. How many miles can she ride in 1 hour?
2 miles
300
3