# Questions on Algebra: Square root, cubic root, N-th root answered by real tutors!

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 Algebra: Square root, cubic root, N-th root Solvers Lessons Answers archive Quiz In Depth

 Question 201302: Simplify the following radical: cubic root 3 sqrt − 64c^15/cubic root 3 sqrt x^15 Click here to see answer by jsmallt9(3296)

 Question 201854: how do you find the roots of an equation? Click here to see answer by rfer(12678)
 Question 201854: how do you find the roots of an equation? Click here to see answer by jim_thompson5910(28598)

 Question 202029: What number would be placed in each of the empty blanks to complete the square? x^2+7x+ =12+ . Click here to see answer by jim_thompson5910(28598)

 Question 202363: if (125/27)^x = the cubic root of 0.6 then the value of x is _______ Click here to see answer by Theo(3472)

 Question 202373: I don't undeerstand what the text book is saying about these Thanks for the help. Express in simplest radical form. sqrt m sqrt m^2 And sqrt m^2 over n^2 Click here to see answer by RAY100(1637)

 Question 202372: I am not sure if these are right or I need to go further with the problem text said not to use a table or calculator Show all work.Please help Thanks Express in simpliest radical form sqrt 3/5 I get sqrt 15/25 simplest radical form 3 sqrt 13/3 I went 3 X sqrt 13 ove sqrt 3 + 3 X 3.61 over 1.74 + 8.83 simplest radical form Click here to see answer by RAY100(1637)

 Question 202374: I am not sure which answer is right Expres in simplest radical form sqrt 2 + sqrt 2/49 I have 2 answers 1.41 sqrt 1.41 over 7 or is it or is it 2/7 Thanks for any help Click here to see answer by Theo(3472)
 Question 202374: I am not sure which answer is right Expres in simplest radical form sqrt 2 + sqrt 2/49 I have 2 answers 1.41 sqrt 1.41 over 7 or is it or is it 2/7 Thanks for any help Click here to see answer by RAY100(1637)

 Question 202376: Solve One eighth of the square toor of 7 less than a number is 2 What is the number. Am I on the right track with 1/8 sqrt x - 7 = 2 and where do I go from here. Thanks for any help Click here to see answer by RAY100(1637)
 Question 202376: Solve One eighth of the square toor of 7 less than a number is 2 What is the number. Am I on the right track with 1/8 sqrt x - 7 = 2 and where do I go from here. Thanks for any help Click here to see answer by Theo(3472)

 Question 202375: I am not sure which answer is right Express in simplest radical form text said to not use calculator. (sqrt2 - 3)(sqrt2 + 3) I get (-1.59)(-1.59) or is the answer sqrt4 = 2 And (sqrt3 - sqrt5)(sqrt3 - sqrt 5) don't they just cancel each other out to = 1 Thanks for any help Click here to see answer by stanbon(57424)

 Question 202630: Please help me solve this: The square of a positive number is six more than five times the positive number. Find the number. x^2 = 5x + 6 Click here to see answer by nerdybill(6963)

 Question 202704: Simplify in simplest radical form Not sure if I have these right or I have to go further I get And I get I'd appreciate it if someone could tell me if these are right Click here to see answer by jsmallt9(3296)

 Question 202919: I would appreciate it if someone could tell me if these are right. Thanks so much Express in simplest radical form. sqrt 25a^2b^2 I get 5ab^2 = sqrt25 x sqrta^2 x sqrt b^2 = 5 horizonal line ab horzonal line sqrt 50x^2 I get sqrt50 x sqrt x^2 = 50 horizonal line x horzonal line or is this right sqrt 25times2 = 25sqrt x 2sqrt = 5sqrt2 6sqrt7 x 3 sqrt5 I get (6 x 3) (sqrt& x sqrt5) = 18 sqrt35 3sqrt2 + sqrt50 I get 3(sqrt52) or do I have to simplify the sqrt50 down further Click here to see answer by Earlsdon(6291)

 Question 203195: I need help rationalizing.... 9 times the cubic root 2 over/divided by the cubic root 5 minus cubic root 2. Please help! Soory my keyboard will not allow me to type the equation. Click here to see answer by jim_thompson5910(28598)

 Question 203301: find three consecutive odd integers such that the sum of the smallest and 7 times the largest is 68 Click here to see answer by RAY100(1637)

 Question 203537: Find the lengh of one side of a square field whose area is 50 meters square. Click here to see answer by rfer(12678)

 Question 203538: √(3/2) - √(2/3) I dont get this i tried and i get √(30)/6 but the answer says its wrong. Click here to see answer by checkley77(12569)

 Question 203547: The side of an equilateral triangle are each s units long. Find the altitude (h) in terms of s. Write the answer in simplest radical form. Click here to see answer by Earlsdon(6291)

 Question 203898: 2 times the sq root of 90 + 3 times the sq root of 40 - 4 times the sq root of 10 = ?? Click here to see answer by lazi(15)

 Question 205049: I need help figuring out (2+the square root of 3)(3-the square root of three) Calculators did not help solve the answer. I tried the foil method but I am getting stuck on how to foil square roots.. Please help me. I would appreciate it very much. Click here to see answer by nerdybill(6963)

 Question 205169: Id have a question; I should find out what the possible rational roots of x^3 - 4x^2 + 2x + 1 are, I am not sure if 3.303, -0.303, 1 are right and I totally dont understand how to use synthetic substitution, to find out which of the possible rational roots are actually a root of the equation. Could someone please help me with this? Click here to see answer by Alan3354(30993)

 Question 205460: The question is as followed: Without the use of a calculator explain how in the olden days they used to evaluate the following. Square Root of Two (2) √2 Square Root of Seven (7) √7 " " " Thirteen (13) √13 " " " One Hundred and sixty nine (169) √169 I'm unsure where to ever start with this. Click here to see answer by jim_thompson5910(28598)

 Question 205589: The question is: Simplify: (3 times the square root of 5)^3 what i did so far was wrote the whole equation out. As (3 times the square root of 5) 3 times. Then i multiplied 3, 3 times to get 27. then i multiplied 5, 3 times to get 125. I don't know what to do next. This is a multiple choice question. The choices are: 15, 125, 5, and 5,-5. Click here to see answer by Alan3354(30993)
 Question 205589: The question is: Simplify: (3 times the square root of 5)^3 what i did so far was wrote the whole equation out. As (3 times the square root of 5) 3 times. Then i multiplied 3, 3 times to get 27. then i multiplied 5, 3 times to get 125. I don't know what to do next. This is a multiple choice question. The choices are: 15, 125, 5, and 5,-5. Click here to see answer by jim_thompson5910(28598)

 Question 205597: This is a 3 part question but i already answered the first part on my own. The other two parts are to Simplify: the square root of 44 and the square root of 11 over 16 Click here to see answer by stanbon(57424)
 Question 205597: This is a 3 part question but i already answered the first part on my own. The other two parts are to Simplify: the square root of 44 and the square root of 11 over 16 Click here to see answer by RAY100(1637)

 Question 205652: solve -9 square root of 400 x to the 4th y to the 2nd Click here to see answer by Targetweek(62)