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This file includes 7 resource files for a brief review of linear functions:
- Graphing Linear Functions
- Writing Equations of Linear Functions
- Parallel and Perpendicular Lines
You will download a .zip file from which 7 .doc files can be extracted.
Each file includes a key for the notes and practice problems. The files include guided notes, homework, and one activity. See descriptions below:
1 - Functions - Graph Tables and Equations: An introduction to linear functions through general functions. Students work with linear and non-linear functions represented in graphs, equations, and tables.
2 - Graphing Slope Intercept Form: Guided notes and practice graphing y = mx + b and x = c
3 - Linear Functions - Writing Equations: Notes and examples of writing equations of lines given different bits of information. Students can fill in these notes a little at a time throughout the unit.
4 - Celsius Fahrenheit Conversion Activity: Students estimate equivalent temperatures in Celsius and Fahrenheit, graph the data, and estimate a conversion equation. Then they use the two points (0, 32) and (100, 212) to find the true equation. Application questions follow.
5a - Slope - Parallel Perpendicular or Neither: Practice identifying whether two lines (given their equations) are parallel, perpendicular, or neither.
5b - Writing Equations - Parallel Perpendicular: Guided notes and practice writing the equation of a line that is parallel or perpendicular to a given line.
5c - Parallel and Perpendicular with Graphing: Practice writing the equation of a line that is parallel or perpendicular to a given line, and graphing both lines.
Common Core Standards:
8.F-3 Interpret the equation y = mx + b as defining a linear function, whose graph is a straight line.
8.SP-2 For scatter plots that suggest a linear association, informally fit a straight line, and informally assess the model fit by judging the closeness of the data points to the line.
F-IF.7a Graph linear functions.
F-LE.5 Interpret the parameters in a linear function in terms of a context
S-ID.6a Fit a function to the data; use functions fitted to data to solve problems in the context of the data
S-ID.6c Fit a linear function for a scatter plot that suggests a linear association.