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Lsn 4­4: Group Work
                            Roots
Even Roots:  The number under the radical must be positive.
        ...
Roots of Equations

               have 2 real roots.         examples:

              have 1 real root.



Solve each equ...
Simplifying Radicals




                       3
Examples:  Simplify Completely
1.




2.




3.




4.




5.




                                      4
6.
      10.




7.
      11.




8.     12.




      13.
 9.




             5
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Algebra2 Notes 2 1

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Algebra2 Notes 2 1

  1. 1. Lsn 4­4: Group Work Roots Even Roots:  The number under the radical must be positive. The answer must be positive. examples: Odd Roots:   The odd root of a positive number is positive. The odd root of a negative number is negative. examples: Find each root: .03 10 5 ­1 ­4 10x 5 ­2 1 1
  2. 2. Roots of Equations have 2 real roots. examples: have 1 real root. Solve each equation: 9. Find the Perimeter: x=2 y=10 10. If  find x. x=­4 x=20 8)  The volume of a cube is 125 cu. cm.  Find the length of an edge. 2
  3. 3. Simplifying Radicals 3
  4. 4. Examples:  Simplify Completely 1. 2. 3. 4. 5. 4
  5. 5. 6. 10. 7. 11. 8. 12. 13. 9. 5

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