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

Tutors Answer Your Questions about Radicals (FREE)

Question 66894: 5) For the equation x-2√x=0 , perform the following:
a) Solve for all values of x that satisfies the equation.
Answer:
Show work in this space.

b) Graph the functions y = x and y=2√x on the same graph (by plotting points if necessary). Show the points of intersection of these two graphs.
Graph:

Points of intersection:

Click here to see answer by venugopalramana(3286)

Question 66917: I've been trying to solve the following problem for two days now....and only getting frustrated. Solve: 5 minus the (square root of x squared minus 4x plus 32) = x plus 5 NOTE: the problem asks for the square root of x squared minus 4x plus 32 and not just x squared...
Many Thanks,
Cindy
Click here to see answer by checkley71(8403)

Question 66974: how would you rationalize the denominator for sqrt 3x/sqrt x- sqrt 3
Click here to see answer by stanbon(75887)

Question 66933: 3)
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 stanbon(75887)

Question 67039: Please help. I'm having trouble with this.
Is(√x)^2=x an identity (true for all nonnegative values of x)?
Click here to see answer by stanbon(75887)

Question 66929: Write the given number without a radical.
square root 9 over 25

Click here to see answer by ptaylor(2198)

Question 66892: Please help. I'm having trouble with this problem.
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 67090: when you have a equation that has a radical on the bottom of the fraction you are not suppose to have radicals on the bottom of the equation so how would you solve a problem like that?
Click here to see answer by stanbon(75887)

Question 67202: For the function,
y=_1_
x-2
(i guess this can also be written as y=1/x-2 since I can't get it lined up)
a) Give the y values for x = -2, -1, 0, 1, 2, 3.
Answer:
b) Using these points, draw a curve.
Show graph here.

Click here to see answer by cassiroberts(11)

Question 67325: For the function, y = 1/ x - 2
a.)Give the y values for x = -2, -1, 0, 1, 2, 3

b.) Using these points, draw a curve
show your graph here:
Click here to see answer by Nate(3500)

Question 67316: How do u solve radical equations? Can u also give me some examples with step by step procedures.
Click here to see answer by checkley71(8403)

Question 67400: Sqrt x^3=27
Explain the answer
^3 sqrt x^2=9
Show work below

Click here to see answer by stanbon(75887)

Question 67321: How do you solve radical equations? Can you please provide step by step procedures for how to solve radical equations.
Click here to see answer by prabhjyot(165)

Question 67478: I do not understand the problem at all. My teacher gave us the answers to check our work. I am pretty sure I did this right but my answer is different from hers and I don't know why.
We are doing properties of radicals.
Evaluate the following radicals if x=4, y=3, and z=8.
52. cube root of (xz) to the -1 power.
Her answer was 2/4 to the cube root.
Click here to see answer by stanbon(75887)

Question 67492: please help
(9x^4y^7)3
Click here to see answer by Edwin McCravy(20054)

Question 67496: please help
sqrt75t^3+8sqrt108t^3
Click here to see answer by Edwin McCravy(20054)

Question 67491: i don't understand
5x^6(2x)^0
__________
10x^4
Click here to see answer by ankor@dixie-net.com(22740)

Question 67493: sqrt1681x^7y^10
Click here to see answer by checkley71(8403)

Question 67465: Please help! Here is my problem: Use a calculator to approximate 5square root3 plus 2square root3 to the nearest hundred. Can you show me how this is done? thank you!
Click here to see answer by checkley71(8403)

Question 67463: Please help! How do you find the altitiude of a triangle? With the two sides being 13 and the bottom being 10?
Click here to see answer by 303795(602)

Question 67577: sqrt72x^5
_________
sqrt2x
Click here to see answer by funmath(2933)

Question 67576: 3sqrt27
_______
3sqrt3
Click here to see answer by funmath(2933)

Question 67575: (sqrty-sqrtx)^2
Click here to see answer by funmath(2933)

Question 67571: sqrt4(sqrt32+3sqrt8)
Click here to see answer by ptaylor(2198)

Question 67494: please help
3sqrt64x^12y^26
Click here to see answer by ankor@dixie-net.com(22740)

Question 67490: please help
-6x(-2x)^2(-3x^4)3
Click here to see answer by ankor@dixie-net.com(22740)

Question 67625: what is the answer to 2 root18 minus root27 plus root50 minus 2 root75 and how do you break down the radicals
Click here to see answer by stanbon(75887)

Question 67799: Could you please tell me that if you get 2 over 2 with the sqare root of 5 in the numerator,would you cancel both 2's or just one and leave the 2 in the numerator.
Click here to see answer by stanbon(75887)

Question 67904: What is the cube root of 9m squared divided by the cube root of four?
Click here to see answer by stanbon(75887)

Question 67994: y=radical sign over 3a^3+3b find the value of y where a=2 and b=4
Click here to see answer by tutorcecilia(2152)

Question 67907: What is 6 square root 2 (4 square root 3 - 3 square root 8) ?
Click here to see answer by ankor@dixie-net.com(22740)

Question 68462: I'm having trouble solving the following equation:
square root of (3x-2) + square root of (2x+2) + 1 = 0. My major problem is coming from the fact that I'm getting stuck on isoloating the radical, and I'm a little confused on where to place 1. Please help.
Click here to see answer by ptaylor(2198)

Question 68550: please hlep me solve this equation

Click here to see answer by rmromero(383)

Question 68550: please hlep me solve this equation

Click here to see answer by Earlsdon(6294)

Question 68668: Ho do you simplify a radical that is a fraction????
EXAMPLE: the square root of 1/5
Click here to see answer by rmromero(383)

Question 68668: Ho do you simplify a radical that is a fraction????
EXAMPLE: the square root of 1/5
Click here to see answer by algebra2student(2)

Question 68716: What is the square root of 306 using the factor tree method rahter than comong out with decimals
Click here to see answer by rmromero(383)

Question 68656: my equation is s= x radical 2g over x+y solve for y
Click here to see answer by jim_thompson5910(35256)

Question 68803: what is the the square root of 28n squared?
Click here to see answer by jim_thompson5910(35256)

Question 68801: What is the answer to -3 on the outside of the square root of 120?
Click here to see answer by jim_thompson5910(35256)

Question 68806:
Click here to see answer by Nate(3500)

Question 69394: Could someone please help me simplify
^4(sqrt)z^4
Thanks so much for your help! I have really struggled with this one!
Click here to see answer by jim_thompson5910(35256)

Question 69470: How do you simplify a radical?
Click here to see answer by stanbon(75887)

Question 69505: what is the answer to radical 12
Click here to see answer by Nate(3500)

Question 69555: Simplify: ^3(sqrt)48
a.16
b.4 ^3(sqrt)4
c.2 ^3(sqrt)6
d.8 ^3(sqrt)6
Thanks
Click here to see answer by funmath(2933)

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