# Questions on Algebra: Radicals -- complicated equations involving roots answered by real tutors!

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 Algebra: Radicals -- complicated equations involving roots Solvers Lessons Answers archive Quiz In Depth

 Question 72753: I am having trouble with this problem... maybe someone can of any assistance! Solve: 3^√x^2 = 4 ( This is translated as 3 cubed the square root of x squared equals 4) "^" means it is either cubed or squared.... Thank you Click here to see answer by rmromero(383)

 Question 72841: Divide: / I got to this point and got stuck and need some help. The options for this question is: a)2x^2/x-3 b) 2x^2/x+3 c)x-3/2x^2 d)x+3/2x^2 I think I did not simplify enough, but I do not see how the answer I ended up with could be simplified any further. Please help. Thanks. Click here to see answer by checkley75(3666)

 Question 72872: Please help us find the Factor and show any formula that you used. 5cx2 + 10c2x - 15c3 Thank you for any help that you can give. Click here to see answer by jmg(22)

 Question 72868: We are trying to solve these problems and aren't sure if we are doing them correctly and the formula for doing them. Our first problem was -24u4v3x5 __________ -18uv5x2 Thank you for any help and please show us the formula you used to get the correct answer. Thank you again. Click here to see answer by checkley75(3666)
 Question 72868: We are trying to solve these problems and aren't sure if we are doing them correctly and the formula for doing them. Our first problem was -24u4v3x5 __________ -18uv5x2 Thank you for any help and please show us the formula you used to get the correct answer. Thank you again. Click here to see answer by stanbon(57377)
 Question 72868: We are trying to solve these problems and aren't sure if we are doing them correctly and the formula for doing them. Our first problem was -24u4v3x5 __________ -18uv5x2 Thank you for any help and please show us the formula you used to get the correct answer. Thank you again. Click here to see answer by jmg(22)

 Question 72856: Simplify: (6-a/b)/24/b I am a little confussed and was hoping you could help me. I came up with this answer: The question I have is now with this anwer do I now cancel out the b's to make the answer . This is where I am stuck. Please help. Thanks Click here to see answer by checkley75(3666)

 Question 72943: simplify 6 square root 20 - 3 square root 125 Click here to see answer by funmath(2925)

 Question 72942: can you help me simplify 3 square root of 16 my answer is 3 square root of 4 Click here to see answer by funmath(2925)

 Question 72949: What values for x must be excluded in the following fraction? I needed to verify that I got this one right, I got an answer of -3 for this one. Is this correct? Thanks in advance for double checking this for me. Click here to see answer by stanbon(57377)

 Question 72948: What values for x must be excluded in the following fraction? I got a little confused on this problem and need some assistance. Thanks Click here to see answer by bucky(2189)

 Question 72988: rationalize the denominator 5 ____ 3+ square root 5 Click here to see answer by funmath(2925)

 Question 72947: What values for x must be exluded in the following fraction? I am not sure how to do this problem and need some help. Please. Thanks Click here to see answer by rmromero(383)

 Question 73007: How would someone describe this topic, I am new to algebra? Any assistance would be greatly appreciated... Thank you While the radical symbol is widely used, converting to rational exponents has advantages. Explain an advantage of rational exponents over the radical sign. Include in your answer an example of an equation easier to solve as a rational exponent rather then a radical sign. Click here to see answer by jim_thompson5910(28595)

 Question 73089: Give the y values for x = -2, -1, 0, 1, 2, 3 Answer: x y Show work in this space. b) Using these points, draw a curve. Show graph here. Click here to see answer by rmromero(383)

 Question 73084: For the equation x-radicalx=0 , perform the following: a) Solve for all values of x that satisfies the equation. Answer: Show work in this space b) Graph the functions y=x and y=radicalx on the same graph (by plotting points if necessary). Show the points of intersection of these two graphs. Graph c) How does the graph relate to part a? Answer: Click here to see answer by stanbon(57377)

 Question 73162: I need help in answering this question (sorry if it is hard to understand, I don't know how to get the square root sign on the computer) any help would be greatly appreciated 2 square root 3-5/square root 2+4 square root 6 Click here to see answer by diluzion(5)

 Question 73433: I don't know how to write out the problem, but I'll try my best so you can understand it. The problem I have is -3 square root of 20 times square root of 15. The answer I came to was -30 square root of 3. Is this correct? Click here to see answer by Cintchr(481)
 Question 73433: I don't know how to write out the problem, but I'll try my best so you can understand it. The problem I have is -3 square root of 20 times square root of 15. The answer I came to was -30 square root of 3. Is this correct? Click here to see answer by bucky(2189)

 Question 73435: I need help. I tried to solve the following radical expression but think it;s wrong... 2 square root of 18 times 7 square root of 6. The answer I ended up with was 84 square root of 3. Is this right? Also, is there a shorter way to write square root in computer language? Thank you. Click here to see answer by Cintchr(481)

 Question 73436: How can I solve 2 square root of 7t times square root of 14t? I came out with 2 square root of 98t squared, then 2 square root of 49 times 2t squared followed by 2 times 7 square root of 2. My answer was 14t square root of 2. Is this correct? I don't know how to write out the problem, I hope this is okay. Click here to see answer by bucky(2189)

 Question 73456: Simplify by combining like terms. the number x and the square root of 18, subtract 3 and the square root of 8x^2. Please show your work Click here to see answer by funmath(2925)

 Question 73641: solve the radical equation [sq.rt.of(x-4)] + [sq.rt.of(x+4)] = 4 [sq.rt.of(x-4)] = 4 - [sq.rt.of(x+4)] [sq.rt.of(x-4)]^2 = {4 - [sq.rt.of(x+4)]}^2 (x-4) = 16 - 8[sq.rt.of(x+4)] + (x+4) x-4 - (x+4) - 16 = -8[sq.rt.of(x+4)] -24 = -8[sq.rt.of(x+4)] 3 = [sq.rt.of(x+4)] 3^2 = [sq.rt.of(x+4)]^2 9 = x+4 x = 5 check by substituting X=5 in the given problem [sq.rt.of(x-4)] + [sq.rt.of(x+4)] is it = 4 [sq.rt.of(5-4)] + [sq.rt.of(5+4)] is it = 4 [sq.rt.of(1)] + [sq.rt.of(9)] is it = 4 1+3 is it = 4 4=4; then the solution set is {5} Click here to see answer by srhjnqcbng11(1)

 Question 73823: Can you help me. I have an exam tomarrow. I forgot how to simplify radical expressions. One of the problems I am having trouble with is: 3?(2a^(7)b^(2)) -------------------- (2) 3?(5x^(7)y) (I do not know how to make cubed roots; the index is three.) I know the answer is: (y) 3?(150x) -------------------- 10x^(2) please show me how thank you so much!! Click here to see answer by stanbon(57377)

 Question 73880: can someone show me the steps and explain them to me why they did that. Someone solved it here but i don't undestand it because its all crammed up... 9.2 # 48 Use the properties for radicals to simplify each of the following expressions. Assume that all variables represent positive real numbers. radical (12x^3)/(5) Click here to see answer by stanbon(57377)

 Question 73878: I need help I do not understand how to solve them ..Can someone show me step by step please....chapter 9 sect.9.4 # 28 Perform the indicated multiplication. Then simplify each radical expression. Problem #28 radical (7) (2radical(3) + 3 radical (7) ) Click here to see answer by stanbon(57377)

 Question 73890: divide and simplify [sq.rt. of (72x^2)] / [sq.rt of 2x] Click here to see answer by stanbon(57377)