Lesson 1
1. Lesson 1
1.3. Refresher
Module 4: Quadratic Equations and Inequalities
Refresher
Review graphing quadratic functions in “Quadratic Functions.”
Review the properties of parabolas in Graphs of Quadratic Functions.
Use Solving Linear Systems by Graphing to review graphing systems of linear equations.
Linear Systems Graph helps you graph two linear systems to find the solution.
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.