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

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 Algebra: Radicals -- complicated equations involving roots Solvers Lessons Answers archive Quiz In Depth

 Question 463703: simplify these showing all work please, dont skip any steps. 1. √-36 2. -√3(√-3) 3. √-25 4. √-25√-9 5. (6i)^2 6. 1/i Click here to see answer by robertb(4012)

 Question 463881: is this following correspondence domain range 1-----------6 -6----------15 -16----------7 domain / range Click here to see answer by stanbon(57219)

 Question 463879: slove this equation 3-9=6 y + 5 y-5= y2-25 Click here to see answer by Alan3354(30959)

 Question 463907: simplify if possible. if not then state not possible. SHOW ALL WORK. 1. 3√2-2√3 2. 2√3+√27-√1/3 3. √3(√6-2√3) <---the two is not square rooted. just the 6 and the three's. 4. √1/2*(√8+√2) * means multipy 5.√18-√3/√6 6. √a+√b/√a-√b 7. √5+1/√5-1 <---just the 5's are square rooted. not the one's. show the work. Click here to see answer by edjones(7569)

 Question 463992: simplify if possible. if not then state not possible. SHOW ALL WORK. 1. 3√2-2√3 2. 2√3+√27-√1/3 3. √3(√6-2√3) <---the two is not square rooted. just the 6 and the three's. 4. √1/2*(√8+√2) * means multipy 5.√18-√3/√6 6. √a+√b/√a-√b 7. √5+1/√5-1 <---just the 5's are square rooted. not the one's. show the work. Click here to see answer by edjones(7569)

 Question 464095: Please help with algebra problem. For the following equation, state the value of the discriminate and then describe the nature of the solution(s). 20x^2+5x-12=0 What is the value of the discriminate? How many solutions? Thank you. Click here to see answer by Gogonati(809)

 Question 464193: wirte with positive exponets. Simplify if possible. (1000)^-4/3 Click here to see answer by Alan3354(30959)

 Question 464237: Use the laws of exponets to simplify. (4)^3/4 times (4)^5/8 Click here to see answer by reviewermath(500)

 Question 464511: why i cannot simply the expression = square root of 4x^2 - 25y^2 Click here to see answer by stanbon(57219)

 Question 464542: can you help me with this? multiply the following: (sqrt of 6 + 2 sqrt of 5)(sqrt of 6 - 2 sqrt of 5) Click here to see answer by mpc12381(4)

 Question 464564: I have a question...I cannot figure out how to write the answer out to this... divide and simplify by taking roots...3sqrt56/3sqrt7...is it written as 3sqrt8? Click here to see answer by ewatrrr(10682)

 Question 464857: I'm having trouble simplifying this problem and have to write out how it is done. Any help would be great. 16.5sqrt(100) Click here to see answer by Alan3354(30959)

 Question 464928: how would you change the graph of y=sqrt(x) to get the graph of y=sqrt(x+5)? (hint: which direction does the graph shift?) Click here to see answer by richard1234(5390)

 Question 464934: I need to simplify this radical expression and I am having trouble with it. I need to see every step involved in simplifying this please. Any help would be greatly appreciated. Click here to see answer by josmiceli(9649)

 Question 465226: Hello Math Gurus.... Here is my question: "Use rational exponents to write x^(1/6)*y^(1/5)*z^(1/4)as a single radical expression". Thank you in advance for your expertise and assistance! Click here to see answer by ewatrrr(10682)

 Question 465534: I am confused on how to solve this problem 3a/a^2-2a-15 -a/a+3=2a/a-5 I am trying to figure out solving Equations Containing Rational Expressions. I can't figure this out cause all are fractions. Thanks Click here to see answer by algebrahouse.com(1079)

 Question 463702: help?! please show all work so i know how to actually do these. solve for the unknown and check the work. 1. 4√x=20 2. √y+√y+7=7 3. √x+11=√x+1 if its confusing.. in number 2 the √y+7 is a square root and in number 3 the x+11 is one square root and x+1 is another one. just so you dont think that just the y is or just the x. (: Click here to see answer by lwsshak3(6460)

 Question 464581: I am having a hard time with my math today. I have a problem that I am close to answering but I cannot figure out the last part. Could someone help me finish this up please? multiply. (sqrt6+2sqrt5)(sqrt6-2sqrt5). I have (sqrt(6)^2-2sqrt30+2sqrt30)-(2sqrt5)^2=sqrt(6)^2-(2sqrt5)^2=6-??? I cannot figure out the (2sqrt5)^2. Helllp!!! Click here to see answer by lwsshak3(6460)

 Question 464090: Simplify by taking roots of the numerator and the denominator. Assume that all expressions under radicals represents positive numbers. ∛(1000x^11 )/y^3 Any help would be greatly appreciated. Thank you. Click here to see answer by lwsshak3(6460)

 Question 465839: looking for the solution and explanation for this problem square root x+2 = 5- square root x-3 thanks Click here to see answer by lwsshak3(6460)

 Question 463375: solve the equation by completing the square. the equations has real number solutions. 3x^2-2x-56=0 Click here to see answer by lwsshak3(6460)

 Question 465887: I am supposed to solve this: 3+ root symbol (z-8) = root symbol(z+7) I am not sure what to do here, any help would be appreciated! With explanation if possible! Click here to see answer by solver91311(16868)
 Question 465887: I am supposed to solve this: 3+ root symbol (z-8) = root symbol(z+7) I am not sure what to do here, any help would be appreciated! With explanation if possible! Click here to see answer by bucky(2189)

 Question 462508: 3x^4-2x^2-1=0 find the real solution of this equation Click here to see answer by lwsshak3(6460)

 Question 466222: How would you simplify 16 1/2 in a paragraph Click here to see answer by Alan3354(30959)

 Question 466825: Simplify. Remember to use absolute-value notation when necessary. If a root cannot be simplified, state this. √(x^2-4x+4) Click here to see answer by stanbon(57219)

 Question 466945: If the two legs of a triangle measure 3 and 4 feet, how long must the hypotenuse be? Click here to see answer by Big Poop(157)

 Question 467029: use rational exponents to write 4v3 times 3v7 as a single expression the 2 v's are representing square root symbols. Hopefully I can explain the rest without confusion you know there can be numbers outside of the square root, there can also be numbers outside the square root, but are raised (like a power) the 4 and 3 are like that. Click here to see answer by stanbon(57219)

 Question 467027: add. Simplify by collecting like radical terms, if possible. Assume that all expressions under radicals represent non-negative numbers. 2vy + 7vy= the two v's are suppose to be square root symbols Click here to see answer by stanbon(57219)

 Question 467023: The formula r=2v5l can be used to approximate the speed r, in miles per hour, of a car that has left skid marks of length L, in feet. How far will a car skid at 80 mph? the v in the equation is suppose to represent a square root. Click here to see answer by Alan3354(30959)

 Question 465876: how can you simplify the square root of 252 X squared? thank you. Click here to see answer by gwendolyn(128)

 Question 467263: (5+ sqrt 3)/(2+ sqrt 3) More than the answer I want to learn how to solve these problems. Click here to see answer by solver91311(16868)

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