1. Lesson 1

1.3. Refresher

Mathematics 20-1 Module 4

Module 4: Quadratic Equations and Inequalities

 

Refresher

 

This is a play button that opens “Quadratic Functions.”

Screenshot reprinted with permission of ExploreLearning.

Review graphing quadratic functions in “Quadratic Functions.”

 


This is a play button that opens Graphs of Quadratic Functions.

Review the properties of parabolas in Graphs of Quadratic Functions.

 


This is a play button that opens Solving Linear Systems by Graphing.

Use Solving Linear Systems by Graphing to review graphing systems of linear equations.

 


This is a play button that opens Linear Systems Graph.

Linear Systems Graph helps you graph two linear systems to find the solution.

 


This is a play button that opens Solving Systems of Linear Equations Using the TI-83.

Solving Systems of Linear Equations Using the TI-83 can help you review how to use your graphing calculator.

 


 

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