Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 45556: I'm lost.. Solve the system by graphing :(

Click here to see answer by prabhjyot(165)

Question 45582: I've problem to solve for 'y'. Please kindly help to solve for 'y'. Thank you.
(k1y/t)+[k2(y/t)^3=qa^4/Et^4
y=?

Please note: k1, y, t, k2, q, a, E
Click here to see answer by stanbon(75887)

Question 45561: Give the equation of the specified asymptote(s).
Vertical asymptote(s): f(x) = x-9/(x^2-36)
Click here to see answer by Nate(3500)

Question 45557: Graph the function.
f(x) = 1/(x) + 4

Click here to see answer by Nate(3500)

Question 45542: Use synthetic division
x^2+11x+24/(x+3)
Click here to see answer by jake_6233(74)

Question 45563: Give the equation of the specified asymptote(s).
Horizontal asymptote: h(x) = 4x^2-2x-9/(5x^2-5x+9)
Click here to see answer by stanbon(75887)

Question 45554: Find a polynomial of lowest degree with only real coefficients and having the given zeros.
1+ square root of 3,1- square root of 3, and 7
Click here to see answer by Nate(3500)

Question 45550: Give all possible rational zeros for the following polynomial.
p(x)= x^3-6x^2+3x-24
Click here to see answer by Nate(3500)

Question 45548: Use the factor theorem to decide whether or not the second polynomial is a factor of the first.
9x^4+19x^3-2x^2+x+4;x+2
Click here to see answer by stanbon(75887)

Question 45552: Find all rational zeros and factor f(x).
f(x)=12x^3+73x^2+5x-6
Click here to see answer by Nate(3500)

Question 45599: Graph the polynomial function.
f(x) = -2x(x + 2)^2

Click here to see answer by adamchapman(301)

Question 45600: Use synthetic division to decide whether the given number is a zero of the given polynomial.
2; f(x) = -x^4 - 4x^2 + 3x + 26
Click here to see answer by Nate(3500)

Question 45648: x+5y+3z=4
4y+2z=6
z=-3
solve
Click here to see answer by checkley71(8403)

Question 45738: substitution method
y=13-3x
2x+9y=-8
Click here to see answer by fazlerabbi(9)

Question 45774: Solve the equation.

Click here to see answer by atif.muhammad(135)

Question 45810: solve
x+2y=0
x-2y=12
Click here to see answer by checkley71(8403)

Question 45816: solve by elimination
x-3y=-16
-3x-3y=0
Click here to see answer by checkley71(8403)

Question 45816: solve by elimination
x-3y=-16
-3x-3y=0
Click here to see answer by venugopalramana(3286)

Question 45690: x+y=-9
x-y=14
solve bu substitution
Click here to see answer by venugopalramana(3286)

Question 45815: solve by substitution
x+y=-9
x-y=14
Click here to see answer by checkley71(8403)

Question 45840: solve by substitution method
x+y=-9
x-y=14
Click here to see answer by stanbon(75887)

Question 45842: 3x-9y=10
15x-45y=20
i took 5 times the first equation
which gives me 15x+45y=50
is that correct?
Click here to see answer by longjonsilver(2297)

Question 45841: elimination method
3x-9y=10
15x-45y=20
I multiplied the first equation by 5 which gives 15x+45y=50
15x-45y=20
___________
30x = 70
is that right?
Click here to see answer by tutorcecilia(2152)

Question 45811: solve
4x+4y=3
-10+5y=-5x
Click here to see answer by Fermat(136)

Question 45904: determine whether the ordered pairs is a solution
(0,3,-4)
x-4+2z=-11
2x+z=-4
x+2y+z=2
Click here to see answer by Nate(3500)

Question 45902: solve the system of equations
x+5y+3z=4
4y+2z=6
z=-3
Click here to see answer by Nate(3500)

Question 45901: (-1, -6)
determine if the ordered pair is a solution
3x+y=-9
2x+3y=-20
Click here to see answer by Nate(3500)

Question 45890: 2x^-4+x^-2-3=0
-16 -4x-3=0
-19=4x
19/4=x
Hi is this right? Thank you for your help. Michelle
Click here to see answer by Nate(3500)

Question 45913: use substitution method. If the system has an infinite number of solutions, use set builder notation to writh the solution
x+y=-9
x-y=14
Click here to see answer by Nate(3500)

Question 45914: solve the system
3x-4y=-3
6x+2z=-7/2
2y-4z=4
i am stuck on all especially the fraction
Click here to see answer by Nate(3500)

Question 45884: 4y2+9=0
16+1y+9=0
y=-25
Is this correct? Thank you
Click here to see answer by Nate(3500)

Question 45883: 3x^2+13x=10
3x^2+13x-10=0
9+1+13x-10=0
13x=0
x=-13
Could you please help me? Am I even close?
Thank you, Michelle
Click here to see answer by Nate(3500)

Question 45883: 3x^2+13x=10
3x^2+13x-10=0
9+1+13x-10=0
13x=0
x=-13
Could you please help me? Am I even close?
Thank you, Michelle
Click here to see answer by Earlsdon(6294)

Question 45903: solve the system of equations
3x-4y=-3
6x+2z=-7/2
2y-4z=4
Click here to see answer by abhijitvakil(7)

Question 45986: Find the slope of any line perpendicular to the line through points (6, 3) and (7, 7).
Click here to see answer by atif.muhammad(135)

Question 45983: Write the equation of the line with x-intercept (12, 0) and y-intercept (0, 4).
Click here to see answer by atif.muhammad(135)

Question 45985: Given f(x) = �x � 4, find f(a � 3).
Click here to see answer by Earlsdon(6294)

Question 45984: Determine which two equations represent perpendicular lines.
(a) y = 5/3x � 3
(b) y = 3x � 5/3
(c) y = -1/3x + 5/3
(d) y = 1/3x

Click here to see answer by Earlsdon(6294)

Question 45976: One number is 12 more than another. The sum of the smaller number and twice the larger number is 39. Find the larger number.
Click here to see answer by mszlmb(115)

Question 45978: Lane invested $22,000, part at 8% and part at 7%. If the total interest at the end of the year is $1,710, how much did she invest at 8%?
Click here to see answer by Nate(3500)

Question 45997: factor: 8x^3 - 27y^3
Click here to see answer by Nate(3500)

Question 46001: 2/x+5 minus 5/x-5 = 13/x^2-25
Click here to see answer by Nate(3500)

Question 45995: write the equations of 2 lines that are perpendicular
Click here to see answer by fractalier(6550)

Question 46073: Please help me solve the following question. I have tried to find examples of how to solve this kind of question, but have not found what are the steps needed to do. I am not sure concerned about the right answer, but rather what are the steps to get to the correct answer. I want to know how to solve this kind of problem. Thank you.

3/3x+1 - 6x/3x-1 = -2
Solve for X
Click here to see answer by Nate(3500)

Question 46072: Please help me solve the following question. I have tried to find examples of how to solve this kind of question, but have not found what are the steps needed to do. I am not sure concerned about the right answer, but rather what are the steps to get to the correct answer. I want to know how to solve this kind of problem. Thank you.

3/3x+1 - 6x/3z-1 = -2
Solve for X
Click here to see answer by Nate(3500)

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, 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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, 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30331..30375, 30376..30420, 30421..30465, 30466..30510, 30511..30555, 30556..30600, 30601..30645, 30646..30690, 30691..30735, 30736..30780, 30781..30825, 30826..30870, 30871..30915, 30916..30960, 30961..31005, 31006..31050, 31051..31095, 31096..31140, 31141..31185, 31186..31230, 31231..31275, 31276..31320, 31321..31365, 31366..31410, 31411..31455, 31456..31500, 31501..31545, 31546..31590, 31591..31635, 31636..31680, 31681..31725, 31726..31770, 31771..31815, 31816..31860, 31861..31905, 31906..31950, 31951..31995, 31996..32040, 32041..32085, 32086..32130, 32131..32175, 32176..32220, 32221..32265, 32266..32310, 32311..32355, 32356..32400, 32401..32445, 32446..32490, 32491..32535, 32536..32580, 32581..32625, 32626..32670, 32671..32715, 32716..32760, 32761..32805, 32806..32850, 32851..32895, 32896..32940, 32941..32985, 32986..33030, 33031..33075, 33076..33120, 33121..33165, 33166..33210, 33211..33255, 33256..33300, 33301..33345, 33346..33390, 33391..33435, 33436..33480, 33481..33525, 33526..33570, 33571..33615, 33616..33660, 33661..33705, 33706..33750, 33751..33795, 33796..33840, 33841..33885, 33886..33930, 33931..33975, 33976..34020, 34021..34065, 34066..34110, 34111..34155, 34156..34200, 34201..34245, 34246..34290, 34291..34335, 34336..34380, 34381..34425, 34426..34470, 34471..34515, 34516..34560, 34561..34605, 34606..34650, 34651..34695, 34696..34740, 34741..34785, 34786..34830, 34831..34875, 34876..34920, 34921..34965, 34966..35010, 35011..35055, 35056..35100, 35101..35145, 35146..35190, 35191..35235, 35236..35280, 35281..35325, 35326..35370, 35371..35415, 35416..35460, 35461..35505, 35506..35550, 35551..35595, 35596..35640, 35641..35685, 35686..35730, 35731..35775, 35776..35820, 35821..35865, 35866..35910, 35911..35955, 35956..36000, 36001..36045, 36046..36090, 36091..36135, 36136..36180, 36181..36225, 36226..36270, 36271..36315, 36316..36360, 36361..36405, 36406..36450, 36451..36495, 36496..36540, 36541..36585, 36586..36630, 36631..36675, 36676..36720, 36721..36765, 36766..36810, 36811..36855, 36856..36900, 36901..36945, 36946..36990, 36991..37035, 37036..37080, 37081..37125, 37126..37170, 37171..37215, 37216..37260, 37261..37305, 37306..37350, 37351..37395, 37396..37440, 37441..37485, 37486..37530, 37531..37575, 37576..37620, 37621..37665, 37666..37710, 37711..37755, 37756..37800, 37801..37845, 37846..37890, 37891..37935, 37936..37980, 37981..38025, 38026..38070, 38071..38115, 38116..38160, 38161..38205, 38206..38250, 38251..38295, 38296..38340, 38341..38385, 38386..38430, 38431..38475, 38476..38520, 38521..38565, 38566..38610, 38611..38655, 38656..38700, 38701..38745, 38746..38790, 38791..38835, 38836..38880, 38881..38925, 38926..38970, 38971..39015, 39016..39060, 39061..39105, 39106..39150, 39151..39195, 39196..39240, 39241..39285, 39286..39330, 39331..39375, 39376..39420, 39421..39465, 39466..39510, 39511..39555, 39556..39600, 39601..39645, 39646..39690, 39691..39735, 39736..39780, 39781..39825, 39826..39870, 39871..39915, 39916..39960, 39961..40005, 40006..40050, 40051..40095, 40096..40140, 40141..40185, 40186..40230, 40231..40275, 40276..40320, 40321..40365, 40366..40410, 40411..40455, 40456..40500, 40501..40545, 40546..40590, 40591..40635, 40636..40680, 40681..40725, 40726..40770, 40771..40815, 40816..40860, 40861..40905, 40906..40950, 40951..40995, 40996..41040, 41041..41085, 41086..41130, 41131..41175, 41176..41220, 41221..41265, 41266..41310, 41311..41355, 41356..41400, 41401..41445, 41446..41490, 41491..41535, 41536..41580