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

Tutors Answer Your Questions about Radicals (FREE)

Question 308220: square root of 49
Click here to see answer by edjones(8007)

Question 308254: please help me solve this equation
3+2x sqrt3=5
Click here to see answer by mananth(16946)

Question 308442: four times the square root of the quantity of 3a+4 equals a+13. I know the answers are 7 and 15 but cannot figure out how to get them algebraically
Click here to see answer by stanbon(75887)

Question 308475: 3√10 x 2√2
Click here to see answer by edjones(8007)

Question 308476: Please help me simplify this radical expression: cube root of 27xy^3
Click here to see answer by rapaljer(4671)

Question 308547: Multiplying and dividing rational expressions.
Click here to see answer by rapaljer(4671)

Question 308585: Solve.
9x^4-18x^2+5=0
Simplify your answer. Type an exact answer,using radicals as needed. Rationalize all denominators.
Thank you!
Click here to see answer by stanbon(75887)

Question 308773: Rationalize the denominator. Assume that all expressions under the radicals represent positive numbers.
- / +

Thanks

Click here to see answer by Fombitz(32388)

Question 308835: Simplify 3^square root of 21 times 3^square root of 9
Click here to see answer by user_dude2008(1862)

Question 309077: I need to solve x= sqrt x+10+2 algebraically. can you please show me how?
thank you.
Click here to see answer by nyc_function(2741)

Question 309074: what are the solutions for 3+ the square root of 17
Click here to see answer by nyc_function(2741)

Question 309129: i need your help on rewriting a equation in standard form y=2(x-1)^2+5
Click here to see answer by Fombitz(32388)

Question 309241: What are the laws of exponents?
Click here to see answer by straight C+'s(8)

Question 309241: What are the laws of exponents?
Click here to see answer by stanbon(75887)

Question 309275: How do you simplify Radical expressions?
Click here to see answer by solver91311(24713)

Question 309281: Solve.
=x+9
x=?
Thank You!
Click here to see answer by Fombitz(32388)

Question 309308: root(3,(729x^8/(y^3)))
Click here to see answer by mananth(16946)

Question 309277: Simplify. Sorry, I'm not exactly sure how to write it on here.
root:5:

Thank you.
Click here to see answer by Earlsdon(6294)

Question 308324: how to solve sqrt(3x+4) - sqrt(2x-4) =2
Click here to see answer by Alan3354(69443)

Question 309718:
�√a^4/125
Click here to see answer by stanbon(75887)

Question 309673: Long guy wires. The manufacturer of an antenna recommends that guy wires from the top of the antenna to the ground be attched to the ground at a distance from the base equal to the height of the antenna. How long would the guy wires be fore a 200-foot antenna?
Click here to see answer by rfer(16322)

Question 309672: Guy wire. If a guy wire of length 40 feet is attached to an antenna at a height of 30 feet, the how far from the base of the antenna is the wire attached to the ground?
Click here to see answer by rfer(16322)

Question 309847: √x-3 = √x+2 - 1
Click here to see answer by ankor@dixie-net.com(22740)

Question 309959: 5/√2
Click here to see answer by jim_thompson5910(35256)

Question 309960: √2/5
Click here to see answer by jim_thompson5910(35256)

Question 309962: √6/1-√3
Click here to see answer by jim_thompson5910(35256)

Question 309949: How would I simplify this problem to get the product?
(3sqrt3 - sqrt2)( sqrt2 + sqrt3)
Click here to see answer by jim_thompson5910(35256)

Question 309929: Use the product rule to simplify. All variables represent nonnegative real numbers.
√20x^5y
Click here to see answer by jim_thompson5910(35256)

Question 309961: 2/√3x
Click here to see answer by jim_thompson5910(35256)

Question 309965: Simplify
(2√2)^5 =
√3/√12 =

Click here to see answer by Alan3354(69443)

Question 310609: For equation, state the value of the discriminate and describe the nature of the solutions:
〖4x〗^2-6x+13=0
Discriminate =_________
2 real solutions or
1 real solution or
2 imaginary solutions

Click here to see answer by nyc_function(2741)

Question 310611: Rewrite with positive exponents:
〖(38xy)〗^█(-4/9)
Click here to see answer by stanbon(75887)

Question 310608: 2. Solve (x+19)(x-17)(x+17)>0
the solution set is {x|____} or
Solution is all real numbers or no solution

Click here to see answer by Fombitz(32388)

Question 310733: square root of 3x to the fourth power multiplied by the sqaure root on 24x to the third power
Click here to see answer by JBarnum(2146)

Question 310751: what is 5 radical 50 minus 2 radical 18 plus 9 radical 32
Click here to see answer by checkley77(12844)

Question 310843: Please help me solve this equation: ^4 sqrt 256y^8
Click here to see answer by nyc_function(2741)

Question 310850: Please help me solve this equation: 7+sqrt 2x+4=13
Click here to see answer by nyc_function(2741)

Question 310845: Please help me solve this equation: ^3 sqrt 40x^5/ y
Click here to see answer by nyc_function(2741)

Question 310951: I homeschool my son - 9th grader - we have just started Expressing square roots and there is a part that I am totally lost in. I do not remember or understand index's. How do I explain to him What an index of a square root is - here is one question: What two integers are these radicals between. The index is 3 and the square root is 29. Or the index is 4 and the square root is 15. Thank you. Joan
Click here to see answer by stanbon(75887)

Question 310971: I homeschool my 9th grader and we have one more question on simplifying radicals. He is supposed to simplify index 3 of square root 160. My teacher's manual says the answer is: 2 (index 3) of square root 20. My son and I feel that 20 could be simplified. Is the teacher's manual wrong or are we. thank you. Joan and her son Jed
Click here to see answer by Fombitz(32388)

Question 311052: what is the radical expression, the square root of x divided by 3 times the square root of x minus the square root of y, is equivalent to? I would so appreciate it if you would give me a step by step solution to the problem
Thanks so much,
Terry
Click here to see answer by Fombitz(32388)

Question 311537: find the following. assume that variables can represent any real number

square root (a+5)^2
Click here to see answer by stanbon(75887)

Question 311529: Question # 128789 sqrt.98x^5 minus 2x*sqrt.18x^3
The solution reads -9x^2*sqrt.2
sqrt.98x^5 - 2x*sqrt18x^3
sqrt.49x^4*2x - 2x*sqrt.9x^2*2x
7x^2*sqrt.2x - 2x*3x*sqrt.2x
7x^2*sqrt.2x - 6x^2*sqrt.2x
x^2*sqrt.2x
Where did I go wrong.
Click here to see answer by Alan3354(69443)

Question 311588: Squared sides are lengthened by 7 cm. The area becomes 225cm squared. Find the length of a side of the original square.
Click here to see answer by checkley77(12844)

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