Click here to see ALL problems on Square-cubic-other-roots Question 54404: I am stuck on correct answer for: square root of 48 - sq. root of 12 =

The easiest way to rationalize this is to turn the denominator into a perfect square. So we want to turn the 12 into a perfect square. The obvious thing to do would be to multiply the numerator and denominator by 12. This will definitely work. But any perfect square denominator will work and it will be faster and easier if we multiply by 3/3:

Question 702842: If x = -2 and y = square root 12 , then 2 (3x3 + 2y2) = Answer by jim_thompson5910 (35256) (Show Source):

Then, once you have all your terms in square root form you can do basic division to get 144/2=72. Once you have your square root in terms of one number, you look for your factors which of 72 is 3*3*2*2*2=72, which give you the answer 6*sqrt (2).

Question 1180669: the difference between a number and it’s positive square root is 12 find the number. Answer by MathLover1 (20820) (Show Source):

Click here to see ALL problems on real-numbers Question 690261: name all sets fo numbers to which each real number belongs -12 and square root of 11 Answer by tommyt3rd (5050) ( Show Source ):

Question 884469: simplify square root 12 times square root 27 Answer by Alan3354 (69443) (Show Source):

Question 1009453: WHAT IS THE SQ. ROOT OF 12.8 ? Answer by fractalier (6550) ( Show Source ):

The standard method of changing a fraction into an equivalent fraction with a specified denominator is to multiply it by some number over itself - often picking the number that is the irrational part of the denominator. In this case, you want to multiply the original fraction by (sqrt (12))/ ( (sqrt (12)).

Click here to see ALL problems on Radicals Question 242155: (3 - 2 Square root of 12) squared Answer by checkley77 (12844) ( Show Source ):