1. Lesson 2

1.3. Refresher

Mathematics 20-1 Module 7

Module 7: Absolute Value and Reciprocal Functions

 

Refresher

 

Use “Introduction to Functions” to work with expressions written in function notation. Watch the video to review what a function is and to see how functions are written using function notations.

 

 

This play button opens Introduction to Functions.

Khan Academy - CC BY-NC-SA 3.0



Open “Linear Function Graphs.” Watch the video to review how to graph a linear function using a table of values.

 

 

This play button opens Linear Function Graphs.

Khan Academy - CC BY-NC-SA 3.0



Use “Quadratic Functions 1” to review how to graph a linear function using a table of values.

 

 

This play button opens Quadratic Functions 1.

Khan Academy - CC BY-NC-SA 3.0



Go back to the Are You Ready? section, and try the questions again. If you are still having difficulty, contact your teacher.