1. Lesson 2

1.3. Refresher

Mathematics 30-2 Module 3

Module 3: Permutations, Combinations, and the Fundamental Counting Principle

 

Refresher

 

This is a play button for “Factoring Trinomials with a Leading 1 Coefficient.”

Source: Khan Academy
(cc icon BY-NC-SA 3.0)

The video “Factoring Trinomials with a Leading 1 Coefficient” describes how to factor a trinomial with a leading 1.


This is a play button for “Factoring Trinomials with a non-1 Leading Coefficient by Grouping.”

Source: Khan Academy
(cc icon BY-NC-SA 3.0)

The video “Factoring Trinomials with a non-1 Leading Coefficient by Grouping” describes how to factor a trinomial with a non-1 leading coefficient.


This is a play button for “Solving Quadratic Equations by Factoring.”

Source: Khan Academy
(cc icon BY-NC-SA 3.0)

 

This is a play button for “Solving Quadratic Equations by Factoring 2.”

Source: Khan Academy
(cc icon BY-NC-SA 3.0)

The videos “Solving Quadratic Equations by Factoring” and “Solving Quadratic Equations by Factoring 2” both describe how to solve a quadratic equation by factoring.

 


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