1. Lesson 6.2 Square Roots Involving Variables
Objective- To simplify square roots involving variables.
Squares vs. Square Roots
Squares
Square Roots
Algebra I by James Wenk © 2003 published by TEACHINGpoint as part of the Expert Systems for Teachers Series
Algebra 1 by James Wenk © 2003 published by TEACHINGpoint

2. Squares vs. Square Roots
Are they perfect inverses? No
Explain the difference between the following:
One Solution
Two Solutions
Algebra I by James Wenk © 2003 published by TEACHINGpoint as part of the Expert Systems for Teachers Series

3. Not true if x is negative.
Follow the pattern!
True if x is positive.
Not true if x is negative.
Algebra I by James Wenk © 2003 published by TEACHINGpoint as part of the Expert Systems for Teachers Series

4. when x = 3 when x = -3 when x = -3
Algebra I by James Wenk © 2003 published by TEACHINGpoint as part of the Expert Systems for Teachers Series

5. Follow the Pattern!
Algebra I by James Wenk © 2003 published by TEACHINGpoint as part of the Expert Systems for Teachers Series

6. Simplify.
Algebra I by James Wenk © 2003 published by TEACHINGpoint as part of the Expert Systems for Teachers Series

7. Simplify. 1) 4) 2) 5) 3) 6)
Algebra I by James Wenk © 2003 published by TEACHINGpoint as part of the Expert Systems for Teachers Series

8. Simplify. 1) 2)
Algebra I by James Wenk © 2003 published by TEACHINGpoint as part of the Expert Systems for Teachers Series

9. Simplify. 1) 3) 2) 4)
Algebra I by James Wenk © 2003 published by TEACHINGpoint as part of the Expert Systems for Teachers Series

10. Simplify. 5) 7) 6) 8)
Algebra I by James Wenk © 2003 published by TEACHINGpoint as part of the Expert Systems for Teachers Series