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

Tutors Answer Your Questions about Radicals (FREE)

Question 773616: (2x-2)^2=10
How do you solve finding the square root?
Click here to see answer by tommyt3rd(5050)

Question 773797:
1.An object 4.8 feet tall casts a shadow that is 14.4 feet long. How long in feet would the shadow be for an object which is 15.3 feet tall?

2.
Select the value of that is a solution for this equation:
My answer for this question was -3..am I correct?

Click here to see answer by Cromlix(4381)

Question 774257: How do you know if this is true or false?
(2^-2∙2^-3 )^-1=1/16
Click here to see answer by oscargut(2103)

Question 774496: how do you simply large radicals such as 75 or 120? and what about fraction radials?
Click here to see answer by ankor@dixie-net.com(22740)

Question 775549: Solve square root x+1 equals square root 5x+4
Click here to see answer by algebrahouse.com(1659)

Question 775941: Solve g(x) = x / sqrt(1-x^2)
when g(2/3)
I can work the problem until I get (2/3) / sqrt(5/9) and then I'm stuck. Am I headed in the right direction? Please help!

Click here to see answer by psbhowmick(878)

Question 776675: Please help simplify this expression. Assume all variables are positive.
∜(32x^5 y^4 )
Click here to see answer by fcabanski(1391)

Question 776675: Please help simplify this expression. Assume all variables are positive.
∜(32x^5 y^4 )
Click here to see answer by MathTherapy(10552)

Question 776783: The expression
5^square root of 32xh^7xS^8 over 5^square root of h^-5xS^-9 equals Kxh^rxS^t
where r, the exponent of h, is:
and t, the exponent of s, is:
and k, the leading coefficient is:<--- which I know is 2
Click here to see answer by stanbon(75887)

Question 776894: Solve the equation and check for extraneous solutions (please explain and show all work):
∛(x^2+9)=3
Thanks in advance! :)
Click here to see answer by psbhowmick(878)

Question 777030: I need help solving the square root of My teacher is not covering very well. I am lost, can you please help explain.I am a freshman in high school.

Click here to see answer by FrankM(1040)

Question 777453: What is the easiest way to get Y without plugging in guesses.
Example
4^y="radical"2
I know y= 1/4 but whats the correct way of getting this answer?
Click here to see answer by jim_thompson5910(35256)

Question 777448: cube root of 250?
Click here to see answer by jim_thompson5910(35256)

Question 777963: what is x = to in the equation z = (x-y)/x
Click here to see answer by Alan3354(69443)

Question 777963: what is x = to in the equation z = (x-y)/x
Click here to see answer by sofiyac(983)

Question 778025: What is the square root of 9/50 in simplest form? (and) What is the answer to "the square root of 7/10 times the square root of 7/2?" Please show work. Thanks!
Click here to see answer by rothauserc(4718)

Question 778277: √(5-8)^8
Click here to see answer by tommyt3rd(5050)

Question 778622: How would I simplify �√16x^4?
What is the index in the front used for and what do I do with it?
How would I simplify the x^4 and why in this manner?
Click here to see answer by ankor@dixie-net.com(22740)

Question 778878: hi sir/ma'am can you please help me w/ my assignment my teacher didn't give an example like this so its very hard for me to answer .. This is the given question :sqrtab*^3sqrtab*^4sqrtab thanks :)
Click here to see answer by stanbon(75887)

Question 778884: sir/ma'am can somebodyhelp me w/ this ^3sqrt3a*^3sqrt4a^2 ? its aboyt multiplication of radicals
Click here to see answer by stanbon(75887)

Question 779048: 3^ √ 54xy^3 - y 3^ √ 128x

Click here to see answer by Alan3354(69443)

Question 779116: Simplify:
6+ sqrt (-8)
there is no sq rt of 8?

Click here to see answer by fcabanski(1391)

Question 779281: Simplify:

Click here to see answer by AnlytcPhil(1806)

Question 779886: 1/(sqrt(x-4)+sqrt(x-3))
please simplify
i believe that i have to multiply the top and bottom by the denominator over itself to get rid of the square roots but i am not sure and kind of lost
-Thanks for the help
sincerely,
Rob
Click here to see answer by stanbon(75887)

Question 779898: how do i value each expression of a radical or a exponent
Click here to see answer by solver91311(24713)

Question 780039: square root of 6 (simplified)
Click here to see answer by Alan3354(69443)

Question 780379: Please help me solve this equation:

Thank you!
Click here to see answer by solver91311(24713)

Question 781936: 3 radical 28
Click here to see answer by Alan3354(69443)

Question 782807: please help me simplify the denominator
Click here to see answer by oscargut(2103)

Question 783380: sqrt 2 divided by 4 minus sqrt 6
Click here to see answer by edjones(8007)

Question 783519: The instructions state: Simplify the expression. Assume that all variables represent positive numbers. Write your answer without using negative exponents.
Click here to see answer by ankor@dixie-net.com(22740)

Question 785310: Hi, I need help with radicals, I don't really understand how to do the radicals when a number is inside and another number is outside, I am confused on how to solve problems like that, may you help me?

Click here to see answer by Alan3354(69443)

Question 785701: When the sum of 648 and three times a positive number is subtracted from the square of the number, the result is 162. Find the number.
I tried to work through this but i ended up getting where i needed to square root a negative fraction, which isn't possible. Maybe i didn't write the equation right, but this is what i came up with from the question that's asked.
sqrt(x)-(648+3x)=162
Click here to see answer by Edwin McCravy(20055)

Question 785835: pls help me about this.. its about division of radicals :(
sqrt of x/^3sqrt of x
and x-1/^3sqrt of 9x^2
thanks
Click here to see answer by Alan3354(69443)

Question 787083: A. Write the expression 27^-1/3 in radical notation
B. Evaluate the radical expression
Click here to see answer by Cromlix(4381)

Question 787083: A. Write the expression 27^-1/3 in radical notation
B. Evaluate the radical expression
Click here to see answer by stanbon(75887)

Question 787081: Complete the equation
√12=_____√3
Click here to see answer by Cromlix(4381)

Question 787078: If possible, evaluate the function at the given values of the variable
f(x)=√3-3x x=-4,8
Click here to see answer by solver91311(24713)

Question 787079: Simplify the expression. Assume that all variables are positive
√x/5*√x/20
Click here to see answer by xinxin(76)

Question 788076: a circular rug has a radius of 5 feet. how much area does the rug cover?
Click here to see answer by Alan3354(69443)

Question 788792: simplify 7sqrt39
7 * sqrt3 * sqrt13
so
7*sqrt39 ?
Had this on the Khan Academy pretest, and it didn't show me the correct answers, so I am not sure.
Click here to see answer by stanbon(75887)

Question 790168: I need him in simplifying the expression:(y^4-8y^3+24y^2-32y+16)�(y-2).
Click here to see answer by stanbon(75887)

Question 790178: I need him in simplifying the expression:(4w^10u^8/wu^3)^2
Click here to see answer by stanbon(75887)

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