# 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.- Find the equation of the linear fit.
- Determine the units of the slope.
- Describe what the slope means in context.
- Determine the units of the
*y*-intercept. - Describe what the
*y-*intercept means in context.

*CCGPS Coordinate Algebra*program. Visit www.walch.com for more information on our resources.

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