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

Tutors Answer Your Questions about Radicals (FREE)

Question 349918: The hypotenuse of an isosceles right triangle is 16 centimeters. Find the length of the two other sides of the triangle to the nearest tenth.
Click here to see answer by mananth(16946)

Question 350278: radical 15 times radical 6
Click here to see answer by edjones(8007)

Question 350377: sqaure root (18x^3y^2)
Click here to see answer by jim_thompson5910(35256)

Question 341003: x over 3 radical 6 = 3 radical 6 over 9

Click here to see answer by jjordan95(63)

Question 350668: what is the square root solved as x-1=3
Click here to see answer by Fombitz(32388)

Question 350672: solve using the quadratic formula: 9x(sqaured) + 8=44
solve using the quadratic formula: 3x(squared)- 5x-4 = 0
Solve for z: z(squared)-8z=9
Solve the square root of: x-1=-3
Click here to see answer by ewatrrr(24785)

Question 350860: Combine
~ symbol = sqrt
3~13+7~13
Click here to see answer by Alan3354(69443)

Question 350866: Multiply and simplify. Assume that all variables represent nonnegative numbers
(-5sqrt6)(2sqrt3)
Click here to see answer by jsmallt9(3758)

Question 350869: Simplify by rationalizing the denominator
5/sqrt 7
Click here to see answer by Theo(13342)

Question 350871: Why do we have to check the solutions when we solve radical equations?
Click here to see answer by Theo(13342)

Question 350948: Simplify: 28sqrt45
The answer is 84sqrt5, but I don't know how to get it.
Click here to see answer by jim_thompson5910(35256)

Question 350984: help me simplify this problem
(4sqrt(3u^2/16v^8)) all one problem
Click here to see answer by dabanfield@earthlink.net(8)

Question 351319: a square root of 54 x11 y8 Can someone help me wit hthis problem the square root of 54x11y8. Is this okay for you to answer.
Click here to see answer by ankor@dixie-net.com(22740)

Question 351706: √(r-)-√(s)/√(r)+√(s)
How do I rationalize the denominator? Assuming that all the expressions under radicals represent positive numbers.
Click here to see answer by Jk22(389)

Question 351635: big radical inside 43-30 radical2 = x+y radicl 2 where x & y are integers to be deterimined
Click here to see answer by Fombitz(32388)

Question 351721: Hello I need help with a problem. I need to Simplify each expression. All variables represent positive numbers. Sqrt = radical sign.
sqrt 8a^9/b^3
Click here to see answer by jim_thompson5910(35256)

Question 351726: I need help with the following problem please: 6 radical 175
Click here to see answer by vleith(2983)

Question 351726: I need help with the following problem please: 6 radical 175
Click here to see answer by jim_thompson5910(35256)

Question 351724: Simplify each expression. Assume all variables represent positive numbers.
The problem is a tiny 3 radical sign then 40x^7
3sqrt 40x^7
Click here to see answer by Fombitz(32388)

Question 351730: Simplify each expressions. Assume all variables represent positive numbers.
(4+ sqrt3)^2
Click here to see answer by Fombitz(32388)

Question 351730: Simplify each expressions. Assume all variables represent positive numbers.
(4+ sqrt3)^2
Click here to see answer by vleith(2983)

Question 351836: what is seventh root of x raised to the seventh power is x.
Click here to see answer by Alan3354(69443)

Question 351996: how do i simplify..
6 radical 40 - 2 radical 90 - 3 radical 160
Click here to see answer by edjones(8007)

Question 351995: how do i simplify..
radical 28 + 4 radical 63 - 2 radical 7
Click here to see answer by Fombitz(32388)

Question 351932: multiply (3/sqrt 5 - 9/sqrt 2)(2/sqrt 5 + 6/sqrt 2)
Click here to see answer by jsmallt9(3758)

Question 351733: Find the domain of each radical expression. Use interval notation.
sqrt 4-x
Click here to see answer by Fombitz(32388)

Question 352275: How do you simplify cubed roots?
Click here to see answer by jim_thompson5910(35256)

Question 352289: sqrt 234

Click here to see answer by checkley77(12844)

Question 352469: 2 1/3
over
2 -5/3
simplify
Click here to see answer by jim_thompson5910(35256)

Question 352654: Find the following.
√((a+8)^2)
assume that variables can represent any real number.
Click here to see answer by sofiyac(983)

Question 352681: graph this problem: slope -5/3; passes through (6,1)
Click here to see answer by sofiyac(983)

Question 352681: graph this problem: slope -5/3; passes through (6,1)
Click here to see answer by ewatrrr(24785)

Question 352923: x^4 + radical 3 * x^2 - 3 = 0
Click here to see answer by jsmallt9(3758)

Question 352886: How do I simplify 3√(-1/125)?
Click here to see answer by jsmallt9(3758)

Question 353289: I think that I am supposed to use a^2+b^2=c^2 for this problem. But I dont want to be wrong. If someone could please tell me how to do this problem, or show me an example with steps and I could figure it out on my own. Thanks

2. The equation D=1.2√h gives the distance, D, in miles that a person can see to the horizon from a height, h, in feet.
a. Solve this equation for h.
b. Long�s Peak in Rocky Mountain National Park, is 14,255 feet in elevation. How far can you see to the horizon from the top of Long�s Peak? Can you see Cheyenne, Wyoming (about 89 miles away)? Explain your answer.

Click here to see answer by jsmallt9(3758)

Question 353591: -1>-6
Click here to see answer by Alan3354(69443)

Question 353624: 7sqrtx-1+1=x
I keep getting 49 and they say the answer is 1, 50 WHY?
2sqrtx-1 - sqrt3x-1 = 0 I can't figure out the answer? Help
Click here to see answer by sofiyac(983)

Question 353624: 7sqrtx-1+1=x
I keep getting 49 and they say the answer is 1, 50 WHY?
2sqrtx-1 - sqrt3x-1 = 0 I can't figure out the answer? Help
Click here to see answer by CharlesG2(834)

Question 353892: 5 the radical sign 90 0ver 25 the radical sign 40
Click here to see answer by ewatrrr(24785)

Question 354402: How do I solve this problem broken down...8d-[6-(-2d-6)]

Click here to see answer by mananth(16946)

Question 354714: How do I solve 2x to the 2/3rds, plus 3x to the 1/3rd minus 2 = Zero?
Click here to see answer by scott8148(6628)

Question 354934: what is ...
2 root 27 - 3 root 48 + 2 root 18?
Click here to see answer by mananth(16946)

Question 355006: Divide, then simplify:
SQRT(270X^3) / SQRT(30X)
Click here to see answer by robertb(5830)

Question 355271: x^(2/3) - x^(1/3) - 12=0 Solve for x, show all steps please.
Click here to see answer by Fombitz(32388)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710