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

Tutors Answer Your Questions about Radicals (FREE)

Question 391869: Use the quadratic formula to solve for x.
7x^2 - 3x - 2 = 0
(If there is more than one solution, separate them with commas.)
Click here to see answer by jjordan95(63)

Question 391886: Simplify as much as possible

Click here to see answer by Alan3354(69443)

Question 392089: Solve for x, when x is a real number.

Click here to see answer by richard1234(7193)

Question 392095: Solve for w, where w is a real number.

If there is more than one solution, separate with commas.
Click here to see answer by richard1234(7193)

Question 392095: Solve for w, where w is a real number.

If there is more than one solution, separate with commas.
Click here to see answer by mananth(16946)

Question 392134: how do you simplify this 5^2/3 times 5^4/3
Click here to see answer by mananth(16946)

Question 392087: Simplify

Assume that all variables represent positive real numbers.
Click here to see answer by jsmallt9(3758)

Question 392094: Rationalize the denominator and simplify

Click here to see answer by edjones(8007)

Question 392093: Multiply

Simplify your answer as much as possible
Click here to see answer by edjones(8007)

Question 392115: Radicals & rational expressions (solve using appropriate method)
sqrt 2x - 4 = x - 14
Click here to see answer by fafa(13)

Question 392866: How do you solve this problem?
(2+square root of 3)(5-square root of 3)

Thank you(:
Click here to see answer by Earlsdon(6294)

Question 392866: How do you solve this problem?
(2+square root of 3)(5-square root of 3)

Thank you(:
Click here to see answer by checkley79(3341)

Question 392895: Find the value of
Click here to see answer by jim_thompson5910(35256)

Question 392900: Solve for v.
v^2 + v - 2 = 0
Click here to see answer by MathLover1(20849)

Question 391749: what is the middle term in the expansion of
(x - 1/x)^6 ??
Click here to see answer by robertb(5830)

Question 393123: Please walk me thru this problem:
Rationalize the denominator
7x/ ∛ 4x y^5 (cube root of 4xy to 5th power)
Click here to see answer by Edwin McCravy(20055)

Question 393164: A ranger spots a forest fire while on a 40-meter observation tower. The angle of depression from the tower to the fire is 12�. To the nearest meter, how far is the fire from the base of the tower?
Click here to see answer by Alan3354(69443)

Question 393689: Two X squared minus 9x plus 1 equals 0? 2x^2-9x+1=0 Should have 2 answers?
Click here to see answer by ewatrrr(24785)

Question 393737: Simplify each expression. Rationalize all denominators. Assume that all variables are positive.
(8-3sqrt(2)(8+3sqrt(2)
Click here to see answer by CharlesG2(834)

Question 393787: Find the inverse of each function. Is the inverse a function?
f(x)=3x+2
show me step by step please:)
Click here to see answer by stanbon(75887)

Question 393786: Graph. Find the domain and range of each function. Show me step by step please.
y=-sqrt(x+3)-1
Click here to see answer by stanbon(75887)

Question 393788: The children's park has become very popular since your club built new play equipment. Use the equation f=4sqrt(A) to calculate the amount of fence f you need to buy based on the area A of the playground.
Suppose you want to increase the fenced play area to four times its current area. If you can reuse the fencing already at the park, how much new fencing do you need to buy?
Please show me step by step.
Click here to see answer by ankor@dixie-net.com(22740)

Question 393898: The problem is:

i tried rationalizing the first part of the problem by multiplying it by the conjugate and then i distributed the negative sign and then added but none of the terms were like...
please help me solve this!
Click here to see answer by Edwin McCravy(20055)

Question 393996: 5 divided by square root 2 ( Rationalizing a monomial radical denominator )
Click here to see answer by richard1234(7193)

Question 394409: what do you do when you need to simplify 98 + 18 / 2
Click here to see answer by EricL(29)

Question 394496: Use the Rational Root Teorem to list all possible rational roots. Then find any actual roots.
Please explain step by step.
x^4-7x^2+12=0
Click here to see answer by robertb(5830)

Question 394788: 3 * sqrt(w+1)=6
Click here to see answer by stanbon(75887)

Question 394679: Simplify, assuming that all variables are positive numbers: sqrt(8a^9/b^3 ), Thank you so much in advance!
Click here to see answer by jrfrunner(365)

Question 394896: How do I rationalize a radical denominator consisting of three terms, ie:
1/{1+ sqrt(3)- sqrt(5)}
If it was two terms I would use the conjugate but with three......?
Click here to see answer by edjones(8007)

Question 395241: $\sqrt{10a}+3\sqrt{250}^3$
Simplify be collecting the radical terms if possible. Assuming all expressions under the radicals represent non-negative numbers.
Click here to see answer by ankor@dixie-net.com(22740)

Question 395250: $\sqrt[4]{10,000}\cdot \sqrt[4]{100,000}$ Multiply and simplify by factoring.
Click here to see answer by Earlsdon(6294)

Question 395247: $\sqrt[4]{7}\cdot \sqrt[2]{6}$
Use radical exponents to write $\sqrt[4]{7}\cdot \sqrt[2]{6}$ as a single radical expression.
Click here to see answer by jrfrunner(365)

Question 395243: $\sqrt[4]{7}\cdot \sqrt[2]{6}$
Use radical exponents to write $\sqrt[4]{7}\cdot \sqrt[2]{6}$ as a single radical expression.
Click here to see answer by jrfrunner(365)

Question 395254: Use the laws of exponents to simplify.
$(3^{\frac{3}{14})\frac{2}{11}}$
Click here to see answer by jim_thompson5910(35256)

Question 395434: express 40cm as fraction of 3m
Click here to see answer by MathLover1(20849)

Question 395616: (15y) /( sqrt(8y^5))
Click here to see answer by stanbon(75887)

Question 395654: What is the solution set of the equation ?
[Show work.]
Click here to see answer by jrfrunner(365)

Question 395752: The expression
\frac{\sqrt[3]{8 h^{-2} s^{-4}}} { \sqrt[3]{ h^{6} s^{4}}}
equals kh^rs^t
where r, the exponent of h, is:
and t, the exponent of s, is:
and k, the leading coefficient is: 2
I have worked it out and keep getting k as 2, which is correct, but I am also getting 2 as answers for r and t with the cubed root of hs left over. I can't seem to get it in the right format that they want.
Click here to see answer by richard1234(7193)

Question 395798: Simplify each radical expression.
5sqrt(32)-7sqrt(8)
and
2sqrt(15xy^3)*3sqrt(30x^3y^2)
Click here to see answer by MathLover1(20849)

Question 395745: simplify the expression
5 squareroot of 605 times squareroot of 55
Click here to see answer by ankor@dixie-net.com(22740)

Question 396018: I have been trying to help my son with his Alg. homework, but its been a long time since I took it. Would you help me solve please. His teacher provided the answer of -2, but I don't get that answer. Thanks.
Click here to see answer by richard1234(7193)

Question 396228: what is the fifth root of the number 3.46? How can I figure this on the calculator? I can do square root and cubes, but can't figure 5th root out.
Click here to see answer by ankor@dixie-net.com(22740)

Question 396535: 27X^2/25 = 1/3
Click here to see answer by jsmallt9(3758)

Question 396176: solve the radical equation sqrt 2x+8=x+4. I have no idea where to start
Click here to see answer by jsmallt9(3758)

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