Topic A focuses on the skills inherent in the modeling process: representing graphs, data sets, or verbal descriptions using explicit expressions (**F-BF.A.1a**) when presented in graphic form in Lesson 1, as data in Lesson 2, or as a verbal description of a contextual situation in Lesson 3. They recognize the function type associated with the problem (**F-LE.A.1b**,** F-LE.A.1c**) and match to or create 1- and 2-variable equations (**A-CED.A.1**, **A-CED.2**) to model a context presented graphically, as a data set, or as a description (**F-LE.A.2**). Function types include linear, quadratic, exponential, square root, cube root, absolute value, and other piecewise functions. Students interpret features of a graph in order to write an equation that can be used to model it and the function (**F-IF.B.4**,** F-BF.A.1**) and relate the domain to both representations (**F-IF.B.5**). This topic focuses on the skills needed to complete the modeling cycle and sometimes uses purely mathematical models, sometimes real-world contexts.

## Algebra I Module 5, Topic A, Overview

## Downloadable Resources

## Common Core Learning Standards

CCLS | State Standard |
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N.Q .2 | Define appropriate quantities for the purpose of descriptive modeling. |

A.CED.2 | Create equations in two or more variables to represent relationships between quantities; graph... |

F.IF.4 | For a function that models a relationship between two quantities, interpret key features of graphs... |