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 616452: For which of the following equations is it true that the sum of the roots equals the product of the roots?
A. x^2 - 4 = 0
B. x^2 - 2x +1 = 0
C. x^2 - 4x + 4 = 0
D. x^2 - 5x + 6 = 0
E. x^2 + 4x + 4 = 0
This is a question from a Practice Subject Test I'm taking. The roots of what? How would you compare the sum of the said roots and the product of them? This confuses me.
Thank you very much for any help you can give me!
Click here to see answer by MathTherapy(1425)

Question 616408: Square root of a to the 5th, inside cube root of whole thing?

Click here to see answer by jsmallt9(3296)

Question 616469: help me solve this please: sqrt(x-3) = (no sqrt anymore) 6-x
Click here to see answer by jsmallt9(3296)

Question 616799: 4 square root 3 times 5 square root 27
Click here to see answer by stanbon(57377)

Question 616841: please help! it states=> Simplify this radical and to remember that i = sqrt (-1)
problem is √(-17) *√(-48)
Click here to see answer by lwsshak3(6513)

Question 616973: Simplify the following expression; express in terms of i.

sqrt sign then -16

Click here to see answer by ewatrrr(10682)

Question 616973: Simplify the following expression; express in terms of i.

sqrt sign then -16

Click here to see answer by solver91311(16897)

Question 616947: solve for square root of y+17=1
Click here to see answer by Alan3354(30993)

Question 617014:

Click here to see answer by Alan3354(30993)

Question 617255: Rationalize the denominator of 7√3-5√2 divided by √48+√18
Click here to see answer by jsmallt9(3296)

Question 617254: 1.if 3-√5 divided by 3+2√5=a√5-b,find a and b
Click here to see answer by jsmallt9(3296)

Question 617782: I need help with this problem please,
it says, the square root of open parenthesis a plus 3 close parenthises super 2

Click here to see answer by Theo(3464)

Question 617783: I cant figure this out any help on this problem would be great
the square root of open parenthesis a plus 3 close parenthesis super 2
Simplify. Remember to use absolute-value notation when necessary. If a root cannot be simplified, state this.

Click here to see answer by jim_thompson5910(28595)

Question 617842: please help. open parenthesis -4p to the 5 power over 3m to the 2 power n to the 3 power close parenthesis to the 3 power
Click here to see answer by jim_thompson5910(28595)

Question 618130: square root of 243 x^7 y^9
I have tried it this way
square root of
9x27 x^7 y^9
3times the sqrt of 27x^7y^9
3 times the sqrt of 9x3 x^7y^9
3x3 times the sqrt of 3x^7Y^9
9 times the sqrt of 3x^7y^9
9y^3 times sqrt of 3x^7
9Y^3X^2 Times the sqrt of 3x^1
Click here to see answer by solver91311(16897)

Question 618271: What is the solution of the square root of two x plus four (square root bracket thing over two x plus four) equals x minus two?
Click here to see answer by unlockmath(1602)

Question 618685: q=L,o,v,e

Click here to see answer by math-vortex(472)

Question 619051: The given equation is ax+b=bx-a^2. I need to solve for "a" this is what I have so far:
ax+b=bx-a^2
a^2+ax = bx-b
I think I need to take the square root of both sides but I'm unsure. Any help would be great. Thanks:)
Click here to see answer by ankor@dixie-net.com(15657)

Question 619613: I am looking for the workings to simplify the square root of 1360 plus 9

Click here to see answer by Edwin McCravy(8909)

Question 619834: (425)^1/2
(90)^1/2
(4)^1/2
(32/64)^1/2
Change the number to a square root then write the number in integer or common fraction form where possible. Where not possible write an expression in simple form using radicals.
Click here to see answer by ewatrrr(10682)

Question 620140: please help Short Answer. Add the following: (-3.3x2 + 3.3x – 2.1) + (-8.7x2 + 9.8x + 4.2)
Click here to see answer by ewatrrr(10682)

Question 620131: please help it says
Essay question: show all work. Suzie’s flower shop estimates that supplies costs for one month will be given by the polynomial 2x2 – 3x – 2. She estimates that utilities costs for one month is given by 4x – 6. Find and simplify an expression that would estimate Suzie’s total costs for one month.
Click here to see answer by stanbon(57377)

Question 620150: please help on this Essay question: show all work. Suzie’s flower shop estimates that supplies costs for one month will be given by the polynomial 2x2 – 3x – 2. She estimates that utilities costs for one month is given by 4x – 6. Find and simplify an expression that would estimate Suzie’s total costs for one month.
Click here to see answer by stanbon(57377)

Question 620105: numerator :2 square root 3 - square root 5
denominator:2 square root 2 + square root 3
Click here to see answer by math-vortex(472)

Question 620308: what is the three decimal approximation of square root 53 and how can i tell what the answer is entering it in myalgebra.com website the answer it gave me was 7.28011 but when i enter it was wrong
Click here to see answer by Alan3354(30993)

Question 620431: find the cube root of and give solution also:
1.74088
Click here to see answer by Alan3354(30993)

Question 620435: Find the cube root of and also give solutoion:
1.74088
2.274625
this is an airthmetic question
Click here to see answer by Alan3354(30993)

Question 620510: Simplify. Assume that all variables represent positive real numbers.
√64x^6
√64x^6=___
(type an exact answer, using radicals as needed).
Click here to see answer by jim_thompson5910(28595)

Question 620545: d=c/(e-k)
Click here to see answer by Alan3354(30993)

Question 620984: Please help it says, showing your work add the following polynomials
(1/5x^2-1/5x-3/4)+(1/10x^2-1/2x+1/2)
Click here to see answer by KMST(1869)

Question 621014: please help i dont understand how to do this problem it says,
show all work find the product
(-1/3x^2-1/2)(1/2x+1/4)
Click here to see answer by solver91311(16897)

Question 621183: Use the Babylonian approach to solve x^2+ 6x = 16
Click here to see answer by solver91311(16897)

Question 621182: Use Cardano’s formula to solve x^3 = 6x + 6
Click here to see answer by solver91311(16897)

Question 621341: What is
Square root of negative 72
Click here to see answer by ankor@dixie-net.com(15657)

Question 621297: can you reduce 48 sqrt (3)
and can someone please give me a few helpful tips on remembering how to reduce them because i have alot of trouble.
thanks!:)

Click here to see answer by fcabanski(874)

Question 621451: what is the cubed root of x^2+2=3?
please show work! (:
Click here to see answer by josmiceli(9690)

Question 621717: perform and simplify completely.
^2

would the correct answer be 6+ 3sqrt(9)
Click here to see answer by ewatrrr(10682)

Question 621717: perform and simplify completely.
^2

would the correct answer be 6+ 3sqrt(9)
Click here to see answer by tutor_paul(490)

Question 621717: perform and simplify completely.
^2

would the correct answer be 6+ 3sqrt(9)
Click here to see answer by josmiceli(9690)

Question 622309: 7sqrt(3)/sqrt(10)+sqrt(3)-2sqrt(5)/sqrt(6)+sqrt(5)-3sqrt(3)/sqrt(15)+3sqrt(2)
Click here to see answer by jsmallt9(3296)

Question 621949: If square root of -1 is j, what is square root of j?
Click here to see answer by jsmallt9(3296)

Question 622565: Can you show me how to solve 15 over the square root of 75
Click here to see answer by solver91311(16897)

Question 622589: Solve =cube root(x-3)
Click here to see answer by jsmallt9(3296)

Question 622589: Solve =cube root(x-3)
Click here to see answer by Alan3354(30993)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445