Questions on Algebra: Polynomials, rational expressions and equations answered by real tutors!

Tutors Answer Your Questions about Polynomials-and-rational-expressions (FREE)

Question 623502: Please help! Combine.

Click here to see answer by Alan3354(30993)

Question 623486: Please help! Simplify and express answers with positive exponents. Evaluate or simplify the numberical expressions.

11(to the 1/2 power) times 11(to the 3rd power)
Click here to see answer by Alan3354(30993)

Question 623489: Add: (r-4s+6)+(8r+3s)+(s+9)
Click here to see answer by jim_thompson5910(28595)

Question 623517: Please help me simplify:
5x-3(4x-4y)

Click here to see answer by jim_thompson5910(28595)

Question 623522: Please help me simplify:
6a^2-2[3b-3b(b+4)]
Click here to see answer by jim_thompson5910(28595)

Question 623525: Please help me use the distributive property for this problem:
(4x-y+7)(5x)
Click here to see answer by rfer(12660)

Question 623474: There are 16 potatoes in my basement and 22 peaches in my refrigerator. what is the ratio of peaches to potatoes in lowest term.
Click here to see answer by Theo(3464)

Question 623581: what is the answer of (4a+3b)(4a+b)?
Click here to see answer by lenny460(770)

Question 623638: What is the equation of y = x3 with the given transformations?
horizontal translation right 10 units and vertical translation down 12 units
Click here to see answer by ewatrrr(10682)

Question 623651: Divide -3x3 - 2x2 - x - 2 by x – 2
Click here to see answer by ewatrrr(10682)

Question 623649: Find all the zeros of the equation -4x^4 - 44x^2 + 3600 = 0
Click here to see answer by ewatrrr(10682)

Question 623644: What are the zeros of the function? Graph the function.
y = (x+3)(x-3)(x-4)
Click here to see answer by ewatrrr(10682)

Question 623674: Which of the following is a factor of x2+ 2x – 48?
x – 8
x + 12
x – 6
None of the above
I'm confused couldn't it be a or c
Click here to see answer by ewatrrr(10682)

Question 623674: Which of the following is a factor of x2+ 2x – 48?
x – 8
x + 12
x – 6
None of the above
I'm confused couldn't it be a or c
Click here to see answer by Emsley(35)

Question 623652: What polynomial has a graph that passes through the given points (-2, 2) (-1, -1) (1, 5) (3, 67)
Click here to see answer by solver91311(16885)

Question 623848: Use the Rational Root Theorem to list all possible rational roots of the polynomial equation x^3 - 4x^2 + 7x - 8 = 0. Do not find the actual roots.
A. –8, –1, 1, 8

B. –8, –4, –2, –1, 1, 2, 4, 8

C. 1, 2, 4, 8

D. no possible roots

Click here to see answer by solver91311(16885)

Question 623846: Use the Binomial Theorem to expand the binomial.
(x + 2y^2)^3
A. x^3 - 3x^2y^2 + 3xy^4 - y^6

B. x^3 + 6x^2y^2 + 12xy^4 + 8y^6

C. x^3 - 6x^2y^2 + 12xy^4 - 8y^6

D. x^3 + 3x^2y^2 + 3xy^4 + y^6

Click here to see answer by ewatrrr(10682)

Question 623845: What is the fourth term of (d + 4b)3?
A. -b^3

B. -64b^3

C. b^3

D. 64b^3

Click here to see answer by ewatrrr(10682)

Question 623887: Cho paid $360 for a plane ticket to Arizona. He must also pay a 15% convenience fee for booking with a travel agency. What is the total cost of Cho’s flight to Arizona?
Click here to see answer by nerdybill(6958)

Question 623808: for the following, find the function P defined by a polynomial of degree 3 with real coefficients that satisfy the given condition.
two of the zeros are 4 and 1+i
the leading coefficient is -5
p(x)=???
Click here to see answer by ewatrrr(10682)

Question 623847: What is a quartic function with only the two real zeros given?
x = -4 and x = -1
A. y = x^4 + 5x^3 + 5x^2 + 5x + 4

B. y = x^4 - 5x^3 - 5x^2 - 5x - 4

C. y = -x^4 + 5x^3 + 5x^2 + 5x + 4

D. y = x^4 + 5x^3 + 5x^2 + 5x - 5

Click here to see answer by ewatrrr(10682)

Question 623851: Find the real solutions of the equation by graphing.
x^2 + 2x + 2 = 0
A no solution
B x = 4
C x = 0
D x = 2
Click here to see answer by ewatrrr(10682)

Question 623909: Witch polynomial has (x+4) as a factor
Click here to see answer by ewatrrr(10682)

Question 623901: Wallpaper sells for $5 per square foot and will cost you $600 to cover one wall in your room. If your wall is 8 feet high, how wide is it?
Click here to see answer by josmiceli(9678)

Question 623880: Frederick needs to borrow $3000 for a down payment on a new car. His uncle decided to loan him the money as a 3.5% simple interest loan. Frederick doesn’t want to pay more than $210 in interest. How many years does Frederick have to pay back the loan with interest?
Click here to see answer by Theo(3464)

Question 623879: The triangular sail on Richard's boat needs to be replaced. Find the amount of fabric needed for a new sail that has a base of 16 meters and a height of 9 meters.
Click here to see answer by solver91311(16885)

Question 623959: Please help... no clue on how to do this. Thanks
Fences R Us wants to replace their office's traditional computers and two dimensional monitors with a virtual reality system. The fixed mnthly cost will be $400,000 and it will cost $800 to produce each system.
1. Write the function C of producing x virtual reality systems.
2. Write the average cost function,A, of producing x virtual relaity systems.
3. Fina and interpret A(1000), A(10,000) and A(100,000).
Click here to see answer by ewatrrr(10682)

Question 623884: if a,b,c are three numbers such that cube of first number exceeds the product of three numbers by 2, the product of three numbers exceeds the cube of second number by 3and the cube of third number exceeds the product of three numbers by 3. find the numbers.
Click here to see answer by jsmallt9(3296)

Question 623900: A rectangular petting zoo is 144 inches long and 108 inches wide. How many inches of fencing is needed to enclose it?
Click here to see answer by ewatrrr(10682)

Question 623948: list the terms, coefficients, and degree of the following polynomial: -3x^6-7x^3+4x+3/7
Click here to see answer by Theo(3464)

Question 623975: Could you help me Multiply these binomials? (5x+1)(x+2)

Click here to see answer by ewatrrr(10682)

Question 623989: Find the LCM of q²-49 and q²+8q+7
Click here to see answer by ewatrrr(10682)

Question 623992: Find the LCM of 6x^2+24x and 2x^2+10x+8
Click here to see answer by ewatrrr(10682)

Question 623991: Find the LCM u^3+4u^2 +4u , u^2-4u
Click here to see answer by ewatrrr(10682)

Question 623988: Find the LCM of 21x^7 and 63x^6
Click here to see answer by ewatrrr(10682)

Question 623972: Megan factored the expression -12x^2+52x-35 as (-2x+5)(6x-7) But when Jacob applied the FOIL principle and multiplied out (-2x+5)(6x-7) he got -12x^2+44x-35; thus, Megan’s solution does not appear to check. Why is that? Please help Megan to understand this better. Explain your reasoning and correctly factor the original expression, if possible. If the expression is prime, so state.
Click here to see answer by lenny460(770)

Question 624075: I need help please on factroing a trinomial whose leading coefficient is 1.
x^2-4x - 5 thanks
Click here to see answer by edjones(7569)

Question 624035: Factor a trinomial whose leading coefficient is not 1? 6x^2-17x+12
Click here to see answer by jsmallt9(3296)

Question 624035: Factor a trinomial whose leading coefficient is not 1? 6x^2-17x+12
Click here to see answer by KMST(1868)

Question 624103: what does it mean to be continuous at x=1, as well as what it means to have discontinuity at x=1.
Click here to see answer by solver91311(16885)

Question 624190: (21+r)^2
Click here to see answer by lenny460(770)

Question 624140: Use the Rational Root Theorem to list all possible rational roots of the polynomial equation x^3 - 4x^2 + 7x - 8 = 0. Do not find the actual roots.
A. –8, –1, 1, 8

B. –8, –4, –2, –1, 1, 2, 4, 8

C. 1, 2, 4, 8

D. no possible roots

Click here to see answer by jsmallt9(3296)

Question 624139: Use synthetic division to find P(–2) for P(x) = x^4 + 9x^3 - 9x + 2 .

A. –2

B. 0

C. –36

D. 68

Click here to see answer by jsmallt9(3296)

Question 624210: find the specified terms in the expansion of the polinomial.
(x^2y^3 + 1/xy)^11 , 7th term

Click here to see answer by ewatrrr(10682)

Question 624213: find the specified term in the expansion of the binomial.
1. (x^2 y^3 + 1/xy)^11 , 7th term.
2.(b^2 x + c^3 y^2)^19 , middle term.
Click here to see answer by ewatrrr(10682)

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, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 27136..27180, 27181..27225, 27226..27270, 27271..27315, 27316..27360, 27361..27405, 27406..27450, 27451..27495, 27496..27540, 27541..27585, 27586..27630, 27631..27675, 27676..27720, 27721..27765, 27766..27810, 27811..27855, 27856..27900, 27901..27945, 27946..27990, 27991..28035, 28036..28080, 28081..28125, 28126..28170, 28171..28215, 28216..28260, 28261..28305, 28306..28350, 28351..28395, 28396..28440, 28441..28485, 28486..28530, 28531..28575, 28576..28620, 28621..28665, 28666..28710, 28711..28755, 28756..28800, 28801..28845, 28846..28890, 28891..28935, 28936..28980, 28981..29025, 29026..29070, 29071..29115, 29116..29160, 29161..29205, 29206..29250, 29251..29295, 29296..29340, 29341..29385, 29386..29430, 29431..29475, 29476..29520, 29521..29565, 29566..29610, 29611..29655, 29656..29700, 29701..29745, 29746..29790, 29791..29835