SOLUTION: I was dumb and didn't take notes in class. Since then, I forgot how to do this problem.. "What is the square root of 3/7?"

Algebra ->  Square-cubic-other-roots -> SOLUTION: I was dumb and didn't take notes in class. Since then, I forgot how to do this problem.. "What is the square root of 3/7?"      Log On


   

Question 26681: I was dumb and didn't take notes in class. Since then, I forgot how to do this problem.. "What is the square root of 3/7?"
Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
square root of 3/7 is just sqrt%283%2F7%29. What you could do is rationalise the denominator...

sqrt%283%29%2Fsqrt%287%29
+%28sqrt%283%29%2Fsqrt%287%29%29%2A%28%28sqrt%287%29%29%2F%28sqrt%287%29%29%29
+%28sqrt%283%29sqrt%287%29%29%2F%28sqrt%287%29sqrt%287%29%29
+sqrt%283%2A7%29%2F7
+sqrt%2821%29%2F7

jon.