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Question 702842: If x = -2 and y = square root 12 , then 2(3x3 + 2y2) = Answer by jim_thompson5910(35256) ( Show Source ): You can put this solution on YOUR website!
Answer by jsmallt9 (3758) ( Show Source ): You can put this solution on YOUR website! 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.
Algebra -> Square-cubic-other-roots-> SOLUTION: I am stuck on correct answer for: square root of 48 - sq. root of 12 = I am not using a specific book.
Answer by stanbon (75887) ( Show Source ): You can put this solution on YOUR website! Square root of 12x^3. Break 12x^3 into two factors making the 1st factor. the largest possible perfect square: for example. 12x^3 = (4x^2) (3x) Then sqrt [12x^3]=sqrt [ (4x^2) (3x)] Rewrite as [sqrt (4x^2)] [sqrt (3x)] Since the 4x^2 is a perfect square you ...
You can put this solution on YOUR website! (3 - 2 Square root of 12) squared 3-2SQRT12 3-2SQRT12-----9-6SQRT12-6SQRT12+4*12
Note: If you need help with simplifying square roots, check out this solver. Multiply 3 and 2 to get 6. Since we have the common term , we can combine like terms Factor out the GCF Combine like terms. So simplifies to . In other words,
Question 1008638: z varies jointly as the square root of the product of x and y. If z is equal to 3 when x is equal to 3 and y is equal to 12,find x when z is equal to 6 and y is equal to 64. Answer by fractalier(6550) (Show Source):
You can put this solution on YOUR website! 12/sqrt (2) = sqrt (144)/sqrt (2) = sqrt (72) = sqrt (9)*sqrt (4)*sqrt (2) = 3*2*sqrt (2) = 6*sqrt (2) Basically you first take 12 and put that it terms of a square root: 12 squared equals 144 so 12 = sqrt (144). Then, once you have all your terms in square root form you can do basic division to get ...
The goal of simplifying expressions with square roots is to factor the radicand into a product of two numbers. One of these two numbers must be a perfect square. When you take the square root of this perfect square, you will get a rational number.
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 ): You can put this solution on YOUR website! "name all sets" ... is problematic, so I need to answer in a somewhat general way. -12 is a negative integer so it belongs to any set for which the ...