1. Lesson 2

1.3. Refresher

Mathematics 20-1 Module 3

Module 3: Quadratic Functions

 

Refresher

 

This is a play button that opens Coordinates.

Remind yourself how to identify and write the coordinates of any point on a grid. Read the definition and work with the applet at Coordinates. In the applet, select “SHOW GRID LINES.” Then drag the small green square to different positions to see how the coordinates change. Be sure to move the square to all four quadrants.

 


This is a play button that opens Domain and Range from Graphs.

Review how to identify the domain and range of an equation. Go to Domain and Range, and select Domain and Range from Graphs. Review the 11-page lesson.

 


 

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