Drag each object to show whether cost is proportional to area in the situation represented.
Sod that is quoted at a set
price per square yard plus a labor fee
Cost
($) Area
(acres)
3,000 2
4,000 4
6,000 6
Pavers that cost a set
amount per square foot
A concrete patio quoted at a
bulk cost for 50
square feet
Hardwood flooring that costs
$16
for every 2
square feet
Line graph with upward line extending from origin. X-axis number range: 0, 10, 60; y-axis number range: 0, 5, 30. Points plotted at (10, 5); (60, 30).
Cost Is Proportional to Area
Cost Is NOT Proportional to Area
Not Enough Information
Cost Is Proportional to Area - Sod that is quoted at a set price per square yard plus a labor fee. The cost increases as the area increases.
Cost Is Proportional to Area - Pavers that cost a set amount per square foot. The cost increases as the area increases.
Cost Is NOT Proportional to Area - A concrete patio quoted at a bulk cost for 50 square feet. The cost is the same for a fixed area regardless of the size.
Cost Is Proportional to Area - Hardwood flooring that costs $16 for every 2 square feet. The cost increases as the area increases.
Not Enough Information - The line graph only shows two points and does not provide information on the relationship between cost and area.
Sod that is quoted at a set price per square yard plus a labor fee: Cost is NOT proportional to area.
Pavers that cost a set amount per square foot: Cost is proportional to area.
A concrete patio quoted at a bulk cost for 50 square feet: Cost is NOT proportional to area.
Hardwood flooring that costs $16 for every 2 square feet: Cost is proportional to area.
Line graph with upward line extending from origin. X-axis number range: 0, 10, 60; y-axis number range: 0, 5, 30. Points plotted at (10, 5); (60, 30): Cost is proportional to area.