1. Lesson 6

1.3. Refresher

Mathematics 20-1 Module 4

Module 4: Quadratic Equations and Inequalities

 

Refresher

 

Use the following to review the topics you experienced difficulties with in the Are You Ready? section.

 

Use the Solving Linear Systems Algebraically series of interactive lessons. Complete the following lessons:

  • Solving Systems by Substitution

  • Solving Systems by Elimination (Addition or Subtraction)

You may also want to try the last two lessons, which deal with applications and strategy selection.

 

 
This is a play button that opens Solving Linear Systems Algebraically.

 

 

 


Use Pythagorean Theorem to review the definition of this important theorem in mathematics. The demonstration applet gives a visual representation of the theorem.

 

 
This is a play button that opens Pythagorean Theorem.

 

 


 

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