1. Lesson 4

1.3. Refresher

Mathematics 20-1 Module 5

Module 5: Radicals

 

Refresher

 

This is a play button that opens “Rearrange formulas to isolate specific variables.”

Khan Academy CC BY-NC-SA 3.0

To gain confidence manipulating equations to isolate a specific variable, watch "Rearrange formulas to isolate specific variables."

This is a play button that opens Factoring Special Products.

Screenshot reprinted with permission of ExploreLearning

Factoring radical binomials and trinomials uses the same techniques as factoring other binomials and trinomials. Factoring Special Products shows the techniques you can use.

This is a play button that opens “Using the Quadratic Formula.”

Khan Academy CC BY-NC-SA 3.0

Watch “Using the Quadratic Formula” to review how to use the quadratic formula.

This is a play button that opens The Quadratic Formula interactive lesson.

Work through The Quadratic Formula interactive lesson.

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