# CCGPS CA 4.3.1 Example 1

- Author:
- Walch Education

- Topic:
- Function Graph

The graph below contains a linear model that approximates the relationship between the size of a home and how much it costs. The

*x*-axis represents size in square feet, and the*y*-axis represents cost in dollars. Describe what the slope and the*y*-intercept of the linear model mean in terms of housing prices.