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

Tutors Answer Your Questions about Radicals (FREE)

Question 180663: If a = -1 and b=2, then
Square root 80a^4b/5b is equal to?
Click here to see answer by Earlsdon(6294)

Question 180716: Multiply and Show Steps:
(2x-1)(2x^2-3x+2)
Click here to see answer by jim_thompson5910(28717)

Question 180806: The owner of a health foods store determines that the demand equation for selling a nutritional supplement is where p is the price in dollars and x is the number of bottles demanded per week.
Solve the equation for x.
How many bottles are demanded per week if the price of the supplement is $13.50?

Click here to see answer by stanbon(57984)

Question 180847: Ok, I have been working on these two since 4 30 this morning and still can't figure them out. Could somebody help me before I go nuts?
One is (z-6)^2-40=0 and 2x^2+7x+2=0 I keep getting some odd ball numbers and have not a clue what to do with them. Thanks in advance, Judy
Click here to see answer by stanbon(57984)

Question 181006: Please help! I am really stuck
q^2+6q-7=0
Click here to see answer by Alan3354(31538)

Question 181124: sqrt40a^3b^4
It asks that i right the expression in simplest radical form. since 40 and 3 has no sqrt i dnt no where to begin. Thanks for any help.
Click here to see answer by stanbon(57984)

Question 181134: solve the equasion:
2 times the cube root of 10-3x= the cube root of 2-x
Click here to see answer by stanbon(57984)

Question 181161: solve:
cuberoot of 2x+15-3/2 times cuberoot of x=0
Click here to see answer by eperette(173)

Question 181140: solve equasion:
square root of 2x+1/6=x+5/6

Click here to see answer by edjones(7569)

Question 181271: Find the real solutions of each equation. Please help me solve this equation
- = 1
Here's the steps I took:
1. =
2. 2x+3=x+1+1+1
3. 2x+3= x+2+1
4. x-1=1
5. (x-1)^2=1(x+1)
6. x^2-2x+1=x+1
7. x^2-3x=0
8.(x-1)(x-2)=0
9. x=1, x=2
The answer in the book is -1 and 3
Click here to see answer by Fombitz(13828)

Question 179904: The problem I am trying to simplify this radical
expression:

Click here to see answer by Edwin McCravy(8999)

Question 181424: what is the solution of this in scientific notation?
3x10^5
---------
8x10^-2
Click here to see answer by eperette(173)

Question 181477: How do I answer this problem? And fill out the table?
f(x)= x + 3 The x is supposed to have a i guess u would call it a radical square root over it.
x
0
1
2
3
4
5
Click here to see answer by Alan3354(31538)

Question 181557: I really need help on square roots, i dont get it. Well i have two problems that i was unable to solve..PLEASE HELP!!!
First: sqrt(162)
Well i tried dividing it by 6, and then did 6 sqrt(27)but the only problem is that its not right. And I know that because sqrt (162) and 6 sqrt (27) decimals are both different.
Second: 4 sqrt (48) + 5 sqrt (108)
For this one, i understand that the numbers under the square root have to be the same, and then add the outside, but i dont know how to get them the same inorder to add the outside.
Please Help, i would really appreciate it. AND its due on FRIDAY and today is wednesday! PLEASE HELP ME!! Thank You sooo much!

Click here to see answer by Alan3354(31538)

Question 181639: Directions: Rationalize the denominator.
5/6 -(square root of 5)

Click here to see answer by Alan3354(31538)

Question 181650: RADICAL FUNCTIONS
Graph: y = √x
x √x
0 ?
1 ?
2 ?
3 ?
4 ?
5 ?
Is the graph a function?
State the domain.
State the range.

Click here to see answer by solver91311(17077)

Question 181664: -5 5-3 3
Click here to see answer by Mathtut(3670)

Question 181748: The square root of 32 m to the fifth power
Click here to see answer by stanbon(57984)

Question 181859: please hel me simplify radical 108. How do i type the radical sign?
Thank you!
Click here to see answer by nerdybill(7011)

Question 181872: Factor completely and show steps:
12x^2-10x-8
Click here to see answer by solver91311(17077)

Question 181911: Solve radical 3x + 3-9=0
Please help!
Click here to see answer by Alan3354(31538)

Question 181914: Find the distance between (-3, -2) and (1,4) in radical terms.
Please help!
Click here to see answer by Alan3354(31538)

Question 181913: I can not figure this out!!
The base of a ladder is 15 feet away from the wall. The top of the ladder is 16 feet from the floor. Find the length of the ladder to the nearest thousandth.
Click here to see answer by Alan3354(31538)

Question 181916: The diagonal of a square measures 14 inches. What is the length of the sides in radical terms.
Please help!
Click here to see answer by Alan3354(31538)

Question 181915: Please help!
The length of a rectangle is 1 cm longer than its width. If the diagonal of the rectangle is 5 cm, what are the dimensions of the rectangle in centimeters rounded to the nearest tenth?
Click here to see answer by nerdybill(7011)

Question 181918: Simplify 3sqrt(y^11/64)
Click here to see answer by Alan3354(31538)

Question 181926: simplify ^6(10^5-7^6)
I came up with 10^30-42
Click here to see answer by Alan3354(31538)

Question 181924: simplify (5+^5)(5-^5)
Click here to see answer by Alan3354(31538)

Question 181910: please help! Simplify radical 6 (10radical 5- 7 radical 6)
Click here to see answer by eperette(173)

Question 182059: I can not figure out the following equation:
(z+2)^ -2/3 = 3
solving for z.
(z+2) raised to the -2/3 power equals 3.
Click here to see answer by Earlsdon(6294)

Question 182183: how do you figure out the answer for (the cubed root of 6 * the fourth root of 6)^12?
Click here to see answer by Alan3354(31538)

Question 182132: the problem is radical 3+2n + radical 2-2n =3, when i type radical it means the
3+2n and 2-2n are under the radical sign. i hope you can help me understand.
Click here to see answer by ankor@dixie-net.com(15747)

Question 182180: Find the real solutions of each equation.
31. the sqrt of 10 + 3 and within this sqrt is the sqrt of x = the sqrt of x
33. (3x +1) to the power of 1/2 = 4
39. x to the power of 3/2 - 3x to the power of 1/2 = 0
Click here to see answer by solver91311(17077)

Question 182381: how would you solve for x. ??
Click here to see answer by solver91311(17077)

Question 182382: how would you rationalize the denominator of
Click here to see answer by solver91311(17077)

Question 182384: how would you multiply this
Click here to see answer by Fombitz(13828)

Question 182448: (1/2-i)^2
Click here to see answer by Mathtut(3670)

Question 182383: how would you simplify this equation ? thank you
Click here to see answer by edjones(7569)

Question 182586: 3,2i
Click here to see answer by Alan3354(31538)

Question 182751: how to solve radical expressions

Click here to see answer by Mathtut(3670)

Question 182831: 3 over square root 7 - square root 2
simplify. The 3 on top confuses me.
Click here to see answer by rapaljer(4667)

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