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

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 Algebra: Square root, cubic root, N-th root Solvers Lessons Answers archive Quiz In Depth

 Question 127871: Please help me solve this problem: For what values of x is √(1-x) a real number? Click here to see answer by scott8148(6628)

 Question 128754: 2x^2-3=15 Click here to see answer by jim_thompson5910(28504)

 Question 128940: (b-12)^2 Click here to see answer by tutorcecilia(2152)

 Question 129022: y=x^2+3x+10 Click here to see answer by checkley71(8403)

 Question 129136: What is the square root of 400t? Click here to see answer by checkley71(8403)

 Question 129685: simplify expression--------+sqaure root of49a^2b^8c^12 Click here to see answer by checkley71(8403)

 Question 129680: simplify (radical sign) n5 (note: n5 is in the radical sign) simplify (radical sign) n9 (note: n9 is in the radical sign) Click here to see answer by checkley71(8403)

 Question 129701: Simplify. Assume that variables are nonnegitive. 8) There is a negaive sign outside of the radical sign. The radial sign has the number 40 in it. I do not know how to get the answer. 9) There is a radical sign with the number 27 in it. I do not know how to get the answer. 10) There is a radical sign with the equation 25x-25 in it. I do not know how to get the answer. Click here to see answer by stanbon(57246)
 Question 129701: Simplify. Assume that variables are nonnegitive. 8) There is a negaive sign outside of the radical sign. The radial sign has the number 40 in it. I do not know how to get the answer. 9) There is a radical sign with the number 27 in it. I do not know how to get the answer. 10) There is a radical sign with the equation 25x-25 in it. I do not know how to get the answer. Click here to see answer by SweetiePie123(2)

 Question 127872: Please help me solve this problem: Determine whether each statement is sometimes, always, or never true. √(3-1) is a real number for t ≥ 3? Click here to see answer by SweetiePie123(2)

 Question 129566: HOW DO YOU SOLVE THE QUESTION: What are the roots of the function y=x^2+4x-45. i tried squaring but it doesnt factor. Click here to see answer by scott8148(6628)

 Question 129901: is it posible to do (example) the square root of 2 times the square root of 2 equals the square root of 4 which is 2 Click here to see answer by edjones(7569)

 Question 130181: Can I get help with this question? It's been buggen me and have no clue on how to solve it, please help The problem is: Find the hypotenuse of a right triangle with sides 5 inches and 10 inches. Please help! Thank You! Click here to see answer by stanbon(57246)

 Question 130182: This is a question I didn't understand. The problem is: If one side of a right triangle is 12 and it's hypotenuse is 13, what is the length of the other side? Please and Thank You=) Click here to see answer by stanbon(57246)

 Question 130184: I solved this problem and didn't get it right. It says write each of the following in exponential form. What I got for this problem was _____ 1/x , but it was wrong The problem is _____ /x Please help me, and Thank You=) Click here to see answer by stanbon(57246)

 Question 130202: I'm not positive I have the correct answer of if I did this one correctly. (2t-3)^2 = 36 Click here to see answer by josmiceli(9660)

 Question 130264: Why do you need absoulte values? Click here to see answer by ilana(307)
 Question 130264: Why do you need absoulte values? Click here to see answer by ms.conerja(2)

 Question 130453: how do you put the 4th root of 81 into a TI-84 plus calculator? Click here to see answer by ilana(307)

 Question 130548: I didn't understand this one either, it asks: One eighth of the square root of 7 less than a number is 2. What is the number? Please and THank You=) Click here to see answer by Earlsdon(6287)
 Question 130548: I didn't understand this one either, it asks: One eighth of the square root of 7 less than a number is 2. What is the number? Please and THank You=) Click here to see answer by checkley71(8403)

 Question 130960: Between what two consecutive integers is the square root of 78? Click here to see answer by stanbon(57246)

 Question 130929: What is the answer to radical over 18 - radical over 8= Thanks for all your help. Click here to see answer by Earlsdon(6287)

 Question 130904: A basic question to help grandaughter 15X 5th - 13X 4th how do you solve this could you please emil me the answer at JJP301@comcast.net Thanks John Click here to see answer by edjones(7569)
 Question 130904: A basic question to help grandaughter 15X 5th - 13X 4th how do you solve this could you please emil me the answer at JJP301@comcast.net Thanks John Click here to see answer by jim_thompson5910(28504)

 Question 131248: My question is: Cube root of (54/9) minus 3 times the square root of 1296. Click here to see answer by checkley71(8403)

 Question 131655: 2x^2-4x+16=0 Click here to see answer by stanbon(57246)

 Question 131725: We just started the chapter on square roots and terms of i.I need help with a couple of them,but the problem is that there is no square root symbol on the keyboard.I will do the best I can to explain the questions.These need to be expressed in terms of i. (example: -36 is 6i or -81 is 9i) 1) square root of -98 2) square root of -4 3) square root of -27 4) square root of - outside of symbol then inside is -75 Thank you in advance for helping me.LH Click here to see answer by josmiceli(9660)

 Question 131826: f(x)=square root x-3 Click here to see answer by solver91311(16868)

 Question 132095: what is the square root of 98 plus the square root of 32 plus the square root of 75 equal? Click here to see answer by stanbon(57246)

 Question 132137: 4. Perform the indicated operations: 2√[48] + 7√[12] –√[27] Click here to see answer by TakeATuition.com(57)

 Question 132136: 3. Simplify: √[81x12y8z10 Click here to see answer by stanbon(57246)

 Question 132165: 5. Multiply: (√[6] + 2√[2])(4√[6] – 3√[2]) Click here to see answer by stanbon(57246)

 Question 132176: Hello again. Last question it is again about the tsunami word problem but its another question. SQUARE ROOT 9.8*4000. I am really confused. Click here to see answer by checkley71(8403)

 Question 132520: Can you please help me this problem! The directions are the solve it using the square root method: x^2=16 I don't know! Please help! =] Click here to see answer by jim_thompson5910(28504)

 Question 132567: Find each cube root or positive square root 8x sixth power y third power Click here to see answer by stanbon(57246)

 Question 132566: Find each cube root or positive sqare root squae root of a second power b tenth power c sixth power Click here to see answer by stanbon(57246)

 Question 132565: Find each cube root or posite square root. square root of 121 Click here to see answer by stanbon(57246)

 Question 132660: i have to simplify this 1/8(3x+1)^(3/2) + 1/4(3x+1)^(1/2) ^ means to the power of if you didnt know Click here to see answer by jim_thompson5910(28504)

 Question 132700: Divide: (x2 – 9x + 20)/(3x – 15) divided by (x2 – 16)/(9x + 36) [(X^2-9X+20)/(3X-15)]/[(X^2-16)/(9X+36)] [(X-5)(X-4)/3(X-5)]*[(X+4)/(X-4)(X+4) 9/3=3 ANSWER. Click here to see answer by checkley71(8403)

 Question 132699: Rationalize the denominator: 2 divided by √[3] + √[2] Click here to see answer by stanbon(57246)

 Question 132680: Rationalize the denominator: 2____ √[3] + √[2] Click here to see answer by jim_thompson5910(28504)

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