SOLUTION: Here is my question: 6 - sqrt of 20 ----------- -- = ????? 2 I came up with 6 - sqrt of 5. I am not sure if this is correct. I need someone to let me know if I am do

Algebra ->  Radicals -> SOLUTION: Here is my question: 6 - sqrt of 20 ----------- -- = ????? 2 I came up with 6 - sqrt of 5. I am not sure if this is correct. I need someone to let me know if I am do      Log On


   



Question 66608: Here is my question:

6 - sqrt of 20
-------------- = ?????
2
I came up with 6 - sqrt of 5. I am not sure if this is correct. I need someone to let me know if I am doing this stuff correctly, please.

Answer by ptaylor(2198) About Me  (Show Source):
You can put this solution on YOUR website!
Here is my question:
6 - sqrt of 20
-------------- = ?????
2
I came up with 6 - sqrt of 5. I am not sure if this is correct. I need someone to let me know if I am doing this stuff correctly, please.
YOU ARE ON THE RIGHT TRACK!!!!!!!!!!!!!!! YOU MUST HAVE FORGOTTEN TO ALSO DIVIDE 6 BY 2

(6-sqrt(20))/2 this equals
(6-sqrt(4)(5))/2 and this equals
(6-2sqrt5)/2 which equals
6/2-(2sqrt5)/2= and this reduces to:
3-sqrt5
ck by using a calculator

Hope this helps----ptaylor