# 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 106269: Determine whether the following is rational or irrational: 4-sqrt16 Thank you! Click here to see answer by stanbon(57219)
 Question 106269: Determine whether the following is rational or irrational: 4-sqrt16 Thank you! Click here to see answer by tutorcecilia(2152)

 Question 106266: 11/the square root of 3-5. I know that have to multiply by the oppisite which is the square root of 3+5 but I don't know what to do from there. Click here to see answer by stanbon(57219)

 Question 106338: I am struggling with this one. Evaluate -sqrt144 if possible. Thanks alot! Click here to see answer by scott8148(6628)

 Question 106333: Determine whether 3sqrt121 is rational or irrational. I would appreciate a tutor lesson. Thank you. Click here to see answer by scott8148(6628)

 Question 106335: Simplify. sqrt75a^2 _________ sqrt5 Any chance of getting some help with this one? Click here to see answer by stanbon(57219)

 Question 106465: I am confused.... Determine whether sqrt49/100 is rational or irrational. Thank you!!!!! Click here to see answer by Earlsdon(6287)

 Question 106464: I am confused.... Determine whether sqrt49/100 is rational or irrational. Thank you!!!!! Click here to see answer by stanbon(57219)

 Question 106463: I need help with the following, please!!! Determine whether 3sqrt-8/27 is rational or irrational Thank you. Click here to see answer by stanbon(57219)

 Question 107071: Hi - In a recent demonstration, somebody went from this (square root of (1 + x-squared))/x to this square root of (1 + 1/x-squared) They're both obviously equivalent, as both result in the same answer for values of x. Can you help me to understand how this manipulation was performed, and how these two forms relate? Thanks! Click here to see answer by HyperBrain(694)

 Question 107716: Alma rides her bicycle for three fourths of an hour every day. Find the distance she rides if she averages 13.65 miles per hour. Click here to see answer by stanbon(57219)

 Question 107714: The produce of x and the square of y is t. I put (x)y^2=t is that correct? Click here to see answer by ptaylor(2048)
 Question 107714: The produce of x and the square of y is t. I put (x)y^2=t is that correct? Click here to see answer by solver91311(16868)

 Question 108341: Q. Give an example of a perfect square with a root that is Greater than 12. I think I could use 75√ but I'm not sure, can someone help me out with this question please and thanks!! Click here to see answer by stanbon(57219)

 Question 108340: fifth root of X times the square root of X Click here to see answer by Fombitz(13828)

 Question 108456: Use Property 1 to simplify the following radical expressions. Assume that all variables represent positive real numbers. Square root 72x^3 This is what I have. (I don't know how to make the square root sign here, so that is why it is typed out). Square Root 72^3=Square Root 36 X Square Root 2 X Square Root of x^2 X Square Root of x. This becomes 6 times the Sqare Root of 2 X Square Root of x^2 X Square Root x I am not sure if I am heading in the correct direction. The textbook is very vague. Can you assist me on this? Click here to see answer by stanbon(57219)

 Question 108603: can you tell me how to solve X problems x-3x*x Click here to see answer by stanbon(57219)

 Question 108856: I know this is the righ secton for my quesiton, but I don't think the area for putting your questions is good, this is factoring. how do you factor these using -difference of squares - difference of cubes - sum of cubes -or split the middle 3y cubed - 192y 24X squared + 12 y sqaured 6my - 2ab + 2am - 6by ac+ bd + bc + ad x to the 6th -81 49g2 - 81hto the 4th and 4ax - 14 bq - 35by - 10 ay thank you so much Click here to see answer by ankor@dixie-net.com(15624)

 Question 110037: Solve the equation (5-2x)^2 = 25 by using the Square Root Property Click here to see answer by edjones(7569)

 Question 110218: 7sqrt7x+5sqrt7x The instruction says to "simplify". Can someone show me how to do this one? Thank you! Click here to see answer by stanbon(57219)
 Question 110218: 7sqrt7x+5sqrt7x The instruction says to "simplify". Can someone show me how to do this one? Thank you! Click here to see answer by jim_thompson5910(28476)
 Question 110218: 7sqrt7x+5sqrt7x The instruction says to "simplify". Can someone show me how to do this one? Thank you! Click here to see answer by josmiceli(9649)

 Question 110398: solve by using the square root property. 9x^2=14 and the other problem is (x-5)^2=7 Click here to see answer by edjones(7569)

 Question 111663: I need help solving and check for extraneous solutions: √y+9=1 Click here to see answer by Earlsdon(6287)

 Question 112286: find all real and/or imaginary solutions: 16xSQUARED + 48x + 40 = 0 Click here to see answer by jim_thompson5910(28476)

 Question 112459: WUT IS THE SQARE ROOT OF 1 OVER 49 Click here to see answer by BrittanyM(80)