The price of homes (in thousands of dollars) is associated with the number of square feet in a home. Home prices in Smallville can be modeled with the equation
Complete the tables in the eTool below to determine which city the home is in.
Click the link at right for the full version of the eTool: 6-16 HW eTool
How much does a 2800 square foot home cost in Smallville?
How much in Fancyville?
The price of a 2800 square foot home in Smallville is 150 + 0.041(2800).
The price in Fancyville is 250 + 0.981(2800).
Which is closer to the price of the house that Ngoc saw?
The price of the house Ngoc saw is closer to that of a house in Smallville, so she should predict that the house is in Smallville.