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mathstudent55 Group TitleBest ResponseYou've already chosen the best response.1
Remember what we did before. Factor the 18 in the radical in the numerator.
 one year ago

mathstudent55 Group TitleBest ResponseYou've already chosen the best response.1
Then look at the denominator, what is sqrt(36)?
 one year ago

Spartan_Of_Ares Group TitleBest ResponseYou've already chosen the best response.0
divide by 6 and 6
 one year ago

mathstudent55 Group TitleBest ResponseYou've already chosen the best response.1
18 is in a radical. What are the the prime factors of 18? Yes, sqrt(36) = 6
 one year ago

Spartan_Of_Ares Group TitleBest ResponseYou've already chosen the best response.0
3 3 2
 one year ago

mathstudent55 Group TitleBest ResponseYou've already chosen the best response.1
You have two factors that are the same. That means you can pull them out of the radical.
 one year ago

mathstudent55 Group TitleBest ResponseYou've already chosen the best response.1
dw:1356660281296:dw
 one year ago

mathstudent55 Group TitleBest ResponseYou've already chosen the best response.1
As you know, sqrt(36) = 6. That's in the denomniator. Also as you wrote, 18 = 3 x 3 x 2. That's in the radical in the numerator.
 one year ago

mathstudent55 Group TitleBest ResponseYou've already chosen the best response.1
dw:1356660403586:dw
 one year ago

Spartan_Of_Ares Group TitleBest ResponseYou've already chosen the best response.0
wait wouldnt 3 be outside the radical?
 one year ago

Spartan_Of_Ares Group TitleBest ResponseYou've already chosen the best response.0
nevermind TT
 one year ago

mathstudent55 Group TitleBest ResponseYou've already chosen the best response.1
Right. I didn't take it out yet, but that's correct. sqrt(9) = 3
 one year ago

mathstudent55 Group TitleBest ResponseYou've already chosen the best response.1
dw:1356660480815:dw
 one year ago

Spartan_Of_Ares Group TitleBest ResponseYou've already chosen the best response.0
thats not complete right?
 one year ago

mathstudent55 Group TitleBest ResponseYou've already chosen the best response.1
Now the last step is to divide the 3 in the numerator and the 18 in the denominator by the largest number that divides into both.
 one year ago

Spartan_Of_Ares Group TitleBest ResponseYou've already chosen the best response.0
so 3 to get 2/6
 one year ago

mathstudent55 Group TitleBest ResponseYou've already chosen the best response.1
3/3 = 1 18/3 = 6
 one year ago

mathstudent55 Group TitleBest ResponseYou've already chosen the best response.1
dw:1356660621873:dw
 one year ago

mathstudent55 Group TitleBest ResponseYou've already chosen the best response.1
Not 2/6, but sqrt(2)/6
 one year ago

Spartan_Of_Ares Group TitleBest ResponseYou've already chosen the best response.0
thanks for the help!
 one year ago

mathstudent55 Group TitleBest ResponseYou've already chosen the best response.1
wlcm
 one year ago
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