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

Tutors Answer Your Questions about Radicals (FREE)

Question 63051: (sqrt 6+ 2)^2
i got--- 14 sqrt6 is this right?
Click here to see answer by Earlsdon(6294)

Question 63273: HELP!!! PLEASE!!!!
(3x^2 under the radical sign) + (2 outside radical sign 48x^2 under the radical sign) + (3 outside radical sign 48x^2 under the radical sign)
Click here to see answer by uma(370)

Question 63326: square root of 15 + 8 square root of 15 - 12 square root of 15
Click here to see answer by stanbon(75887)

Question 63369: sqrt x+7 + sqrt x+16=9
thank you
Click here to see answer by stanbon(75887)

Question 63388: Please help solve (7 sqrt 7 + 4 sqrt 2)(5 sqrt 7+ 3 sqrt 2)
Click here to see answer by 303795(602)

Question 63521: (x^-2/3)^6
Click here to see answer by funmath(2933)

Question 63521: (x^-2/3)^6
Click here to see answer by 303795(602)

Question 63523: (x^8y^2)^1/2
Click here to see answer by 303795(602)

Question 63523: (x^8y^2)^1/2
Click here to see answer by funmath(2933)

Question 63389: Please help solve sqrt 15x/4=5
Click here to see answer by ankor@dixie-net.com(22740)

Question 63621: x-√x-0, perform the following:
sovle for all values of x that satisfies the equation.
answer:
show work

Click here to see answer by funmath(2933)

Question 63661: My book say's "find the indicated function values for each function" this is under the chapter Radical Expressions and Functions and I can't seem to understand what they mean??
Problem: h(x)=radical sign then (x-2)^2 h(5)
h(3)
h(0)
h(-5)
Any help and explanations would be appreciated Tammy N
Click here to see answer by praseenakos@yahoo.com(507)

Question 63812: I don't understand this question.
Is an identity (true for all values of x)? Explain your answer.
Click here to see answer by sarahschober(35)

Question 63913: (sqrt of b)-4=-1. what does b =? Thank you again for any help you can provide me with.
Click here to see answer by tanimachatterjee(60)

Question 63922: Solve the equation.

sqrt x^3 = 8
Click here to see answer by tanimachatterjee(60)

Question 63921: Solve this equation.
sqrt x -1 = 3

Click here to see answer by tanimachatterjee(60)

Question 63887: What is the distance formula?
How do you solve the problem: x-3y=17
2x+y=6 (using the sustitution method)
A cable 50ft long is cut into two pieces so that one piece is 6ft longer than the othe. How long is each piece?
Click here to see answer by checkley71(8403)

Question 63923: Really need help with this one.
Solve the equation.

^3 sqrt(x^2) = 4
Click here to see answer by funmath(2933)

Question 63995: really need help on this one!
Find the solution to the equation: (5/x+5)+(x/x+3)+(1/x^2+8x+15) = 0
the choice of answers given are: {-4,-3} {-5,1) (-8,-2} and empty set
Click here to see answer by stanbon(75887)

Question 64096: The square root of U to the 3rd power divided by the cubed root of U?
Click here to see answer by funmath(2933)

Question 64102: Add or subtract the radical expression:
X times the cubed root of 16
Subtract
2 times the cubed root of 27X
add
the cubed root of 54 cubed.
Click here to see answer by stanbon(75887)

Question 63996: stuck on this one!
Solve the equation (m+8)^7/3 = -2
the choices given are: {-16} (-16,0) {-16,16} or (0)
these are my only choices
Click here to see answer by stanbon(75887)

Question 64002: help! another one needed!
Write the first four terms in the binomial expansion of (m-n)^11, and expressing the result in simplified form
Click here to see answer by stanbon(75887)

Question 64147: Can you help me with rationalizing the denominator on the following: 2/(sqrt2 -1). I deeply appreciate your help..:)
Click here to see answer by tutorcecilia(2152)

Question 64147: Can you help me with rationalizing the denominator on the following: 2/(sqrt2 -1). I deeply appreciate your help..:)
Click here to see answer by stanbon(75887)

Question 64287: Can you help me with rationalizing the denominator on the following:
5 on the top, fraction bar, 9 minus radical sign 3 on the bottom (the 3 is under the radical sign)
Click here to see answer by ptaylor(2198)

Question 64297: (5 cube root x + 2 cube root 2) (3cube root x - cube root y)
I'm multiplying radical expressions
Click here to see answer by jayanthi@knowledgeonlineservices.com(5)

Question 64298: Dividing radical expressions
3 over 5 + cube root 5

6 - 2 cube root 3 over 4 + 3 cube root 3

cube root a - 4 over 2 cube root a + 2
Click here to see answer by jayanthi@knowledgeonlineservices.com(5)

Question 64296: I am not understanding multiplying radical expressions:
(2-3 cubed root 7) (5+2 cube root 7)
Click here to see answer by jayanthi@knowledgeonlineservices.com(5)

Question 64326: Could someone help please!
1.) If x^2-16=3 then x must approximately be ? (This is all under the radial sign)
2.) If (5x-2)^2=6 then the solution set for x must be ?
3.) What expression is equivalent to 27^-3/2
4.) What is the domain of the function f(x)=1/(x-1)^2+3
Click here to see answer by stanbon(75887)

Question 64415: Could someone help!
If sqrt x^2-16=3 then what is the x must approximately be ?
Click here to see answer by ptaylor(2198)

Question 64525: What is the square root of 16x divided by 9x
Click here to see answer by ptaylor(2198)

Question 64632: SIMPLIFY EACH RADICAL ASSUME THAT ALL VARIABLES REPRESENT POSITIVE REAL NUMBERS
SQ ROOT OF 27 OVER 2+ THE SQ ROOT OF 3
Click here to see answer by tutorcecilia(2152)

Question 64628: 2 the square root of 9x + 3 the square root of 25x - the square root of x
Click here to see answer by tutorcecilia(2152)

Question 64747: how do I solve

Click here to see answer by 303795(602)

Question 64911: HOW DO I FIGURE OUT HOW TO DO THE PROBLEM?
Click here to see answer by funmath(2933)

Question 65017: how do i solve?
the third root of
Click here to see answer by stanbon(75887)

Question 65023: how do i solve
the fourth root of times the fourth root of
Click here to see answer by funmath(2933)

Question 65039: Dear tutor,

I have this problem, could you help me
I have the rationalize the numerator
sqrt((x-4))-2/(x)
the square root is over the x-4, the number -2 is outside the square root
Hope that helps

SIncerely,
Kazi Nafis
Click here to see answer by funmath(2933)

Question 65135: Solve for x: sqrt(2x-1) - sqrt(x+3) = 1
Click here to see answer by funmath(2933)

Question 65158: the square root of 7 times the square root of 14
Click here to see answer by funmath(2933)

Question 65221: (9nv-)/(n1/2-v1/2)

Click here to see answer by stanbon(75887)

Question 65248: 5 squareroot of 54
Click here to see answer by funmath(2933)

Question 65248: 5 squareroot of 54
Click here to see answer by checkley71(8403)

Question 65267: 1. Simplify the rational expression: Please show work
x2 � 6x � 7
x2 � 1

2. Divide:
x2 � 3x + 2�x2 � 4
8x � 8 5x + 10

3. Simplify:
√[100x2y16z8]

4. Perform the indicated operations:
2√[72] + √[32] � 4√[18]

5. Multiply:
(√[3] + 4√[5])(2√[3] � √[5])

6. Rationalize the denominator:
3____
√[6] � √[3]
Click here to see answer by checkley71(8403)

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