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

Tutors Answer Your Questions about Radicals (FREE)

Question 84365: Simplify.
(2xSQRT2x)(3SQRT5x)
my answer 6x^2SQRT10x
Click here to see answer by tutorcecilia(2152)

Question 84367: Use a calculator to approximate SQRT3/5 to the nearest hundredth.
I do not know how to do this onmy calculator, please help?
Click here to see answer by tutorcecilia(2152)

Question 84371: Simplify. SQRT7/100
I get 7SQRT100/100
Click here to see answer by funmath(2933)

Question 84371: Simplify. SQRT7/100
I get 7SQRT100/100
Click here to see answer by tutorcecilia(2152)

Question 84370: Simplify. SQRT108 I get 10.39 but I know this is wrong. Pleae help me?
Click here to see answer by tutorcecilia(2152)

Question 84370: Simplify. SQRT108 I get 10.39 but I know this is wrong. Pleae help me?
Click here to see answer by funmath(2933)

Question 84369: Evaluate -3SQRT64 , if possible.
-8 is what I got.
Click here to see answer by tutorcecilia(2152)

Question 84369: Evaluate -3SQRT64 , if possible.
-8 is what I got.
Click here to see answer by funmath(2933)

Question 84368: Determine whether SQRT49/100 is rational or irrational.
It is Rational right?
Click here to see answer by funmath(2933)

Question 83633: A ranger spots a forest fire while on a 45-meter observation tower. The angle of depression from the tower to the fire is 12 degrees. To the nearest meter, how far is the fire from the base of the tower?
Click here to see answer by vertciel(183)

Question 84436: 2+2=?
Click here to see answer by sofiyacherni(99)

Question 84661:
Click here to see answer by rapaljer(4671)

Question 84607: Simplify by combining like terms, I am stuck help!!!
x root of 18-3 root of 8x^2
Click here to see answer by tutor_paul(519)

Question 84796: Evaluate -3SQRT64 , if possible.
the3 is a very little 3.
Click here to see answer by funmath(2933)

Question 84805: Hello, I am unable to start this problem in which I must simplify
radical 12a^3/25
Thank you for your help
Click here to see answer by rapaljer(4671)

Question 84804: I am having some trouble simplifying the radical expression

index is 4, and the radicand is 32m^11
Thank you for your help
Click here to see answer by rapaljer(4671)

Question 84909: Solve each equation. Check the solutions.
2x-3=x-3
Click here to see answer by Edwin McCravy(20055)

Question 84877: Please help I have no idea how to solve this problem!
3√2 over x = √3 over 4√5
Click here to see answer by ankor@dixie-net.com(22740)

Question 85292: Help! I'm having difficulties figuring this one out...
(sq.root of 3 + sq.root of 5)(sq.root of 3 + sq.root of 5) = ???
Click here to see answer by stanbon(75887)

Question 85294: Help!
What is the perimeter of the triangle whose sides are:
4, sqrt.of 5 - sqrt.of 3, and sqrt.of 5 + sqrt. of 3?
Click here to see answer by bucky(2189)

Question 85297: Help!
What is sqrt. of 63 � 2sqrt. of 28 + 5sqrt. of 7 ?
Thanks!!
Click here to see answer by checkley75(3666)

Question 85293: Help!!
What is the sq.root of 63 - 2sq.rt.of 28 + 5sq.rt. of 7?
Click here to see answer by ptaylor(2198)

Question 85391: Please help with this problem:
-12SQRT8 + 7SQRT18 + 2SQRT50 =
I'm stumped! Thank you!
Click here to see answer by stanbon(75887)

Question 85363: How do I solve 2/3x = the square root of 24x - 128?
Click here to see answer by ankor@dixie-net.com(22740)

Question 85456: SqRt5 - SqRt2 / SqRt3 - SqRt2

This is not in a textbook it was a question on a test and I am curious what the answer is and it is worked out.

Click here to see answer by scianci(186)

Question 85463: Hello, I've been trying to solve this equation but it seems I can only get down to simplifying it. Please help =)
SOLVE THE EQUATION SYMBOLICALLY
sqrt(x+6) + sqrt(2-x) = 4
Click here to see answer by jim_thompson5910(35256)

Question 85508: Simplify the expression
cuberoot(351x^4y^2) / cuberoot(13x^2y)
Thank you =)
Click here to see answer by stanbon(75887)

Question 85649: This one is asking to solve and check of the equations for x
5/x+6 +2/x^2+7x+6 = 3/x+1
I have so far
5(x+6)=2(x+1)-3
x^2-5x=2x-20-3
This is not looking right can you help
Click here to see answer by stanbon(75887)

Question 85732: Is (√x^2)= x an identity (true for all nonnegative values of x)?
Click here to see answer by scianci(186)

Question 85731: Can someone solve these?
√ x-2=1
√ x^3=27
3√ X^2=9
I couldnt copy and past the square root symbol so I hope you know that is what I meant.
Click here to see answer by scianci(186)

Question 85790: I asked this earlier and it was answered with the exact question I asked, can someone else help me please?
√ x-2=1
√ x^3=27
3√ X^2=9
I couldnt copy and past the square root symbol so I hope you know that is what I meant. Can someone solve these?

Click here to see answer by Earlsdon(6294)

Question 85791: Someone answered this but all they did was copy and paste my question as an answer, can someone else help?
Is (√x^2)= x an identity (true for all nonnegative values of x)?
Click here to see answer by rapaljer(4671)

Question 85733: Can someone help with this one, I am stumped!

x -2 -1 0 1 2
y .111 .333 1 3 9
Given the table above, graph the function, identify the graph of the function (line, parabola, hyperbola, or exponential), explain your choice, and give the domain and range as shown in the graph, and also the domain and range of the entire function.
Graph:
Graph Type:
Explanation:
Domain:
Range:

Click here to see answer by ankor@dixie-net.com(22740)

Question 85838: (2x+5)squared=5
Click here to see answer by tutorcecilia(2152)

Question 85836: the square root of 2x plus three minus the square root ofx plus one equals one
Click here to see answer by ankor@dixie-net.com(22740)

Question 85864: Help! I am stuck on solving a radical equation.
The original problem is this: sq.rt.2y+7 plus 4 = y.
I know I have to isolate the radical to one side, then square both sides of the equation. Getting that far, I have: (sq.rt.2y+7)= (y-4).
After that I am completely stuck! Please help!
Thank you!
Click here to see answer by tutorcecilia(2152)

Question 85920: Help! I am stuck!
I need to simplify.
Here is the original problem:
(sq.rt.3 + 5)(sq.rt.3 -3)
Click here to see answer by praseenakos@yahoo.com(507)

Question 85918: Help! I am stuck! I need to simplify the equation by combining the like terms.
Here is the equation: x sq.rt. 18 minus 3 sq.rt. 8x^2
Click here to see answer by praseenakos@yahoo.com(507)

Question 85891: For the equation x-2 sqrt x= 0 , perform the following:
Solve for all values of x that satisfies the equation.

Also, can you please graph the functions y=x and y = 2 sqrt x
Thanks!
Click here to see answer by ankor@dixie-net.com(22740)

Question 85941: please help me simplify : eight radical two all over two radical eight
Click here to see answer by Earlsdon(6294)

Question 85976: Help please. I have a test today and teache is busy can't help...
2sq.rt.3(3sq.rt.6-5 sq rt2. I do not understand how to solve.Please advise...I would really appreciate it!! Michelle
Click here to see answer by Earlsdon(6294)

Question 86011: Can you please help me with this problem? I have to simplify or reduce.
^3/24x^5y^3
Thank you so much. This problem is from Algebra II, A Beka Book.
Click here to see answer by checkley75(3666)

Question 85981: Can someone please graph this curve for me, here is my work so far:
For the function y= 1/x-2
Give the y values for x = -1, 0, 1, 2, 3, 4.
Answer: y = -1/3
y = -1/2
y= -1
y= 1/0
y= 1
y= 1/2
Show work in this space.
y= 1/-1-2
y= 1/0-2
y= 1/1-2
y= 1 /2-2
y= 1/3-2
y= 1 /4-2
Using these points, draw a curve.
Show graph here.

Click here to see answer by stanbon(75887)

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