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

Tutors Answer Your Questions about Radicals (FREE)

Question 347819: express using a positive exponent h^-5
Click here to see answer by jim_thompson5910(28699)

Question 347958: p(-6,-5), q(6,10)points.....the d=(p,q) and the midpoint thanks for ur time and help!
Click here to see answer by stanbon(57949)

Question 347992: can you please show me hoe to get the distance of p(-6,-5) Q (6,10) thanks!
Click here to see answer by Alan3354(31503)

Question 348248: square root (y-2) - square root (5y+1) = -3
solve for y
Click here to see answer by ewatrrr(10682)

Question 348380: A student drove a distance of 135 miles at an average speed of 50 mph. How much faster would he have to drive on the return trip to save 30 minutes of driving time?
Click here to see answer by checkley77(12569)

Question 348379: A plane that can fly 200 mph in still air makes a 330 mile flight with a tail wind and returns, flying into the same wind. What is the speed of the wind if the total flying time is 3 1/2 hours?
Click here to see answer by checkley77(12569)

Question 348412: simplify: sqrtc-sqrtd/sqrtc+sqrtd
Click here to see answer by haileytucki(390)

Question 348412: simplify: sqrtc-sqrtd/sqrtc+sqrtd
Click here to see answer by Alan3354(31503)

Question 348365: 2x^(2/3) - 5x^(1/3) - 12 = 0 solve for x
Click here to see answer by Fombitz(13828)

Question 348713: Please help me...
x - sqrt( 4-3x ) = -8
I know I'm supposed to get the radical by itself. But the answer I got differs from the book. Thank you in advance.
Click here to see answer by Fombitz(13828)

Question 348745: How do I write the domain of a function in set notation?
Math problem:
f(x)=(x^2 + 16)/x^2 - 3x - 28
I have that the number that should be excluded from the domain is "7"
But I do not know how to write the domain of the function in set notation?
Thank you
Click here to see answer by stanbon(57949)

Question 348774: (125a^8)1/3
Click here to see answer by stanbon(57949)

Question 348821: Okay, sorry, I have another question. These radicals are killing me!
sqrt ( x-3 ) + sqrt ( x+2 ) = 5
Really hard for a student do when there's not ONE example to turn to look for help in the book. Sheesh. Thank you again in advance!
Click here to see answer by scott8148(6628)

Question 348844: What would be the square root of 4y over 3y^2?
Click here to see answer by Fombitz(13828)

Question 349075: Let a - 1 and b - 64.
a. Evaluate sqrt a + sqrt b. Then find sqrt a+b. Are they equal?
b. Evaluate ^n sqrt a + ^n sqrt b. Then find ^n sqrt a+b. Are they equal?
c. Complete the following: be general, ^n sqrt a + ^n sqrt b = _______ based on the observations in parts (a) and (b) of this exercise.
Click here to see answer by Alan3354(31503)

Question 348264: Rationalize the numerator. Then, simplify the result. 2√3+√3/3
Click here to see answer by nyc_function(2733)

Question 348258: Rationalize the denominator. Then, simplify the result. 3/√5+√6
Click here to see answer by nyc_function(2733)

Question 349238: how do i get 5-3(x+2)<10x
Click here to see answer by Fombitz(13828)

Question 349403: how do i get an answer for 4y+y+1=7(y-1)?
im having alot of truble with algebra im a sophmore still taking algebra-1
Click here to see answer by haileytucki(390)

Question 349402: Find the domain of the function.
f(x) = sqrt(13-x)
Answer choices:
A. (negative infinity, 13) or (13, infinity)
B. (sqrt(7), infinity)
C. (negative infinity, 13]
D. (negative infinity, infinity)
Thanks! (:
Click here to see answer by haileytucki(390)

Question 349485: Okay I've been staring at this problem for 10 mins, and I just don't know how to get the answer. Please help me.
sqrt ( x - 2 ) + 3 = sqrt ( 4x + 1 )
I know we're supposed to get one radical by itself, but one already is. And then the power rule to eliminate the radicals. But from there, I'm stuck. Thank you for your time.
Click here to see answer by Alan3354(31503)

Question 349602: Please help me.
sqrt ( x - 2 ) + 3 = sqrt ( 4x + 1 )
I know we're supposed to get one radical by itself, but one already is. And then the power rule to eliminate the radicals. But from there, I'm stuck.
Thank you for your time.
Click here to see answer by Fombitz(13828)

Question 349918: The hypotenuse of an isosceles right triangle is 16 centimeters. Find the length of the two other sides of the triangle to the nearest tenth.
Click here to see answer by mananth(12270)

Question 350278: radical 15 times radical 6
Click here to see answer by edjones(7569)

Question 350377: sqaure root (18x^3y^2)
Click here to see answer by jim_thompson5910(28699)

Question 341003: x over 3 radical 6 = 3 radical 6 over 9

Click here to see answer by jjordan95(63)

Question 350668: what is the square root solved as x-1=3
Click here to see answer by Fombitz(13828)

Question 350672: solve using the quadratic formula: 9x(sqaured) + 8=44
solve using the quadratic formula: 3x(squared)- 5x-4 = 0
Solve for z: z(squared)-8z=9
Solve the square root of: x-1=-3
Click here to see answer by ewatrrr(10682)

Question 350860: Combine
~ symbol = sqrt
3~13+7~13
Click here to see answer by Alan3354(31503)

Question 350866: Multiply and simplify. Assume that all variables represent nonnegative numbers
(-5sqrt6)(2sqrt3)
Click here to see answer by jsmallt9(3296)

Question 350869: Simplify by rationalizing the denominator
5/sqrt 7
Click here to see answer by Theo(3504)

Question 350871: Why do we have to check the solutions when we solve radical equations?
Click here to see answer by Theo(3504)

Question 350948: Simplify: 28sqrt45
The answer is 84sqrt5, but I don't know how to get it.
Click here to see answer by jim_thompson5910(28699)

Question 350984: help me simplify this problem
(4sqrt(3u^2/16v^8)) all one problem
Click here to see answer by dabanfield@earthlink.net(8)

Question 351319: a square root of 54 x11 y8 Can someone help me wit hthis problem the square root of 54x11y8. Is this okay for you to answer.
Click here to see answer by ankor@dixie-net.com(15746)

Question 351706: √(r-)-√(s)/√(r)+√(s)
How do I rationalize the denominator? Assuming that all the expressions under radicals represent positive numbers.
Click here to see answer by Jk22(389)

Question 351635: big radical inside 43-30 radical2 = x+y radicl 2 where x & y are integers to be deterimined
Click here to see answer by Fombitz(13828)

Question 351721: Hello I need help with a problem. I need to Simplify each expression. All variables represent positive numbers. Sqrt = radical sign.
sqrt 8a^9/b^3
Click here to see answer by jim_thompson5910(28699)

Question 351726: I need help with the following problem please: 6 radical 175
Click here to see answer by vleith(2825)

Question 351726: I need help with the following problem please: 6 radical 175
Click here to see answer by jim_thompson5910(28699)

Question 351724: Simplify each expression. Assume all variables represent positive numbers.
The problem is a tiny 3 radical sign then 40x^7
3sqrt 40x^7
Click here to see answer by Fombitz(13828)

Question 351730: Simplify each expressions. Assume all variables represent positive numbers.
(4+ sqrt3)^2
Click here to see answer by Fombitz(13828)

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