Questions on Algebra: Square root, cubic root, N-th root answered by real tutors!

Tutors Answer Your Questions about Square-cubic-other-roots (FREE)

Question 327527: what do i get when i square both sides of this equation?
√a +√b =√a+b
Are these truly equal?

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

Question 327460: Solve. Identify double roots for the equation.
x^4-25x^2=0

Click here to see answer by checkley77(12844)

Question 327556: number of people who live alone has been increasing, as shown by the data in the given table
year / Number living alone (in millions)
_____________________
1970 / 10.0
1980 / 18.3
1985 / 20.6
1990 / 23.0
1995 / 24.7
2000 / 26.7
_____________________
Find a square root equation that's a reasonable model for this data. Let t represent the number of years after 1970.
Click here to see answer by Fombitz(32388)

Question 327672: Hi...I have two problems I can seem to get correct...
multipy
sqrt7(sqrt3-sqrt7)
------------------------
multiply and simplify
sqrt28a^9b * sqrt8a^10b^8
Click here to see answer by stanbon(75887)

Question 327676: I need help with problem
multipy and simplify
sqrt28a^9b * sqrt8a^10b^8
please explain..thank you
Click here to see answer by Alan3354(69443)

Question 327660: solve √a -1 � 5 = 1
Click here to see answer by user_dude2008(1862)

Question 328118: (-125)2/3
Click here to see answer by edjones(8007)

Question 328480: (-16)^1/4
for my answer I got
^4 sqrt 16 = 3
Click here to see answer by Alan3354(69443)

Question 328921: sqrt x-8 = sqrt x-2
solve for x
Click here to see answer by Alan3354(69443)

Question 329051: what is mc squared x 4 to the sixth power
Click here to see answer by mananth(16946)

Question 329059: What the square root of 36bk^2h^3 and the square root of 125g (letters are variables).
Click here to see answer by mananth(16946)

Question 329149: Its been forever, trying to help my kid with similar problems, how to solve for x
x^2+7x-44=0 (x^2 is x squared)
answer is listed x= -11, 4
Click here to see answer by Fombitz(32388)

Question 329162: what is the cubed root of 12/9
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Question 329292: Use the discriminant to determine whether the quadratic equation below has one real number solution, two real number solutions, or two complex number solutions.
100x^2-240x+144=0
Click here to see answer by solver91311(24713)

Question 329285: solve by taking square roots:
6(x+3)^2=24 Simple:
obtain square roots of both sides: sqr(6)(x+3)=2sqr(6)
factor out sqr(6): (x+3)=2
subtract 3 from both sides you get: x= -1
Click here to see answer by coyparra@yahoo.com(2)

Question 329287: solve by completing the square:
w^2-6w-3=0
Click here to see answer by Fombitz(32388)

Question 329286: Solve by completing the square:
x^2-x-42=0
Click here to see answer by Fombitz(32388)

Question 329290: Use the discriminant to determine whether the quadratic equation below has one real number solution, two real number solutions, or two complex number solutions:
10z^2-z+7-0
Click here to see answer by Fombitz(32388)

Question 329284: Solve by taking square roots:
p^2-32=0
Click here to see answer by Fombitz(32388)

Question 329283: solve by taking the square roots:
49y^2-36=0
Click here to see answer by mananth(16946)

Question 329442: The cube root of the square of a real number n is 16. What is the value of n?
a 4/3 b 8/3 c 4 d 12 e 64
Click here to see answer by nyc_function(2741)

Question 329586: If cube root of (12x + 28)= 4 what is the value of x^3 ?
(A) -8 (B) 3 (C) 12 (D) 27 (E) 64

Click here to see answer by mananth(16946)

Question 329900: find the value of the provided radical multiplication expression. show work

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

Question 329870: Please show me how u find the solution to x^2=x
Click here to see answer by Alan3354(69443)

Question 330122: simplify expression using division property of radicals. assume all variables represent positive real numbers.

Click here to see answer by Fombitz(32388)

Question 330110: simplify the radical

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Question 330130: simplify the provided power of i. show work

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Question 330136: simplify the root. show work and verify solution

Click here to see answer by privani(34)

Question 330136: simplify the root. show work and verify solution

Click here to see answer by stanbon(75887)

Question 330135: simplify the radical expression. show work

Click here to see answer by stanbon(75887)

Question 330135: simplify the radical expression. show work

Click here to see answer by privani(34)

Question 330121: multiply the radicals. express solution in simplified form

Click here to see answer by mananth(16946)

Question 330109: simplify expression. assume all variables are positive real numbers. show work

Click here to see answer by Fombitz(32388)

Question 330328: what is the root (5;3)
Click here to see answer by jim_thompson5910(35256)

Question 330375: -5y^4(y^5)^2/15y^7(y^2)^3=
Click here to see answer by Fombitz(32388)

Question 330558: what is 1=8xsq.rootof L?
Click here to see answer by Fombitz(32388)

Question 330968: what is 4(square root of 243)?
Click here to see answer by Fombitz(32388)

Question 331073: what is the square root of 130

Click here to see answer by Alan3354(69443)

Question 331174: what does pH mean?

Click here to see answer by Edwin McCravy(20055)

Question 331365: How do you simplify the rational expression
75x^3y^5
Click here to see answer by Alan3354(69443)

Question 331309: n-14 x n=1800
n minus 14 times n equals 1800
Click here to see answer by checkley77(12844)

Question 331481: what is the square root of 8x to the power of 3?
Click here to see answer by nyc_function(2741)

Question 331484: the slope of a line that is perpendicular to (2,4) (-1,0) is
Click here to see answer by JBarnum(2146)

Question 331463: the square of m minus the cube of n is sixteen
Click here to see answer by JBarnum(2146)

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