### Home > CCAA8 > Chapter 6 Unit 7 > Lesson CCA: 6.1.2 > Problem 6-16

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 * *where

*is the price of the home in thousands of dollars and*

*a*is the area of the house in square feet. Home prices in Fancyville can be modeled with the equation

*. Ngoc saw a real estate advertisement for a*

*6-16 HW eTool*(Desmos).

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: CCA 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.