Module 8: Permutations, Combinations, and the Binomial Theorem

 

Refresher

 

Watch the videos to review how to factor trinomials and solve quadratic equations.

 

“Factoring Trinomials 2” describes how to factor a trinomial with a non-1 leading coefficient.

 

 
This is a play button that opens “Factoring Trinomials 2.”
Source: Khan Academy
(creative commons BY-NC-SA 3.0)


 

“Solving Quadratic Equations 2” describes how to solve a quadratic equation by factoring.

 

 
This is a play button that opens “Solving Quadratic Equations 2.”
Source: Khan Academy
(creative commons BY-NC-SA 3.0)



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