Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 449458: Solve the following equation by using the quadratic formula. (Enter solutions from smallest to largest. If there is one solution with a multiplicity of two, enter it in both answer boxes.)
2x^2-5x=7
x = ?
x = ?
Please show me the steps to get the steps.
Click here to see answer by aagam94(6)

Question 449462: Solve the following equation by using the quadratic formula. (Enter solutions from smallest to largest. If there is one solution with a multiplicity of two, enter it in both answer boxes.)
6x^2-1=2x
x = ?
x = ?
Please show me the steps to get the steps.
Click here to see answer by aagam94(6)

Question 449461: Solve the following equation by using the quadratic formula. (Enter solutions from smallest to largest. If there is one solution with a multiplicity of two, enter it in both answer boxes.)
3x^2=-4x+2
x = ?
x = ?
Please show me the steps to get the steps.
Click here to see answer by mananth(16946)

Question 449451: Solve the following equation by using the quadratic formula. (Enter solutions from smallest to largest. If there is one solution with a multiplicity of two, enter it in both answer boxes.)
24x^2-x-3=0
x = ?
x = ?
Please show me the steps to get the steps.
Click here to see answer by mananth(16946)

Question 449447: Solve the following equation by using the quadratic formula. (Enter solutions from smallest to largest. If there is one solution with a multiplicity of two, enter it in both answer boxes.)
9x^2+18x+2=0
x=?
x=?
Please show me the steps to get the answer.
Click here to see answer by mananth(16946)

Question 449446: Solve the following equation by using the quadratic formula. (Enter solutions from smallest to largest. If there is one solution with a multiplicity of two, enter it in both answer boxes.)
x^2+12x+34=0
x=?
x=?
Please show me the steps to get the answer.
Click here to see answer by mananth(16946)

Question 449463: Solve the equation 7y3 - 14y2 + 6y = 0 by first factoring out the common factor y and then using the quadratic formula. (Enter solutions from smallest to largest. If there are any unused answer boxes, enter NONE in the last boxes.)
y = ?
y = ?
y = ?
Please show me the steps to get the steps.
Click here to see answer by mananth(16946)

Question 449496: hi i am trying to work out x^2-18=0 and cant seem to work out the right answer i came to (x+9)(x-2)=9,-2
please help
regards
jordan
Click here to see answer by mananth(16946)

Question 449500: Compute the discriminant of the quadratic equation 2x^2-3x � 5 = 0 and then
write a brief sentence describing the number and type of solutions for the
equation.
Click here to see answer by scott8148(6628)

Question 449819: The length of a rectangular gym is 8 meters less than 3 times it's width. Find the dimensions is the area of the gym is 336 square meters.

^^ I do not understand how to set up the equation.
Click here to see answer by mananth(16946)

Question 449965: There is a number between 10 and 100: when multiplied by the digit on the left the product is 280: if the sum of the digits be multiplied by the same digit the product is 55: find the number.
Click here to see answer by sudhanshu_kmr(1152)

Question 449986: write a quadratic equation in the variable x having the given numbers as solutions. Type the equation in standard form, ax^2 + bx + c = 0. The solutions are -10, 7
Click here to see answer by rwm(914)

Question 450003: The number of tickets sold each day for an upcoming performance of Handel's Messiah is given by N(x) = -0.3x^2 + 7.8x + 14, where x is the number of days since the concert was first announced. When will daily ticket sales peak and how many tickets will be sold that day?

Click here to see answer by nerdybill(7384)

Question 450007: Factor the expressions completely.
x^2-9
x^2+6x+9
5x^2+16x+3
Click here to see answer by ewatrrr(24785)

Question 450008: Use the zero-product property to solve the equation.
(2x+1)^2=0
Click here to see answer by richard1234(7193)

Question 450005: Factor the expressions.
x^2+x-12
x^2+11x+30
x^2+3x+2
Click here to see answer by ewatrrr(24785)

Question 449918: What is the equation of the 3 given points, (1,3), (1,-1), (2,7)?
Click here to see answer by richard1234(7193)

Question 449992: The number of tickets sold each day for an upcoming performance of Handel's Messiah is given by
Click here to see answer by rwm(914)

Question 450334: -4x -13x = 85
Okay. Let's combine like terms. -4x minus 13x is -17x. -17x=85. Divide both sides by -17= -5.
Click here to see answer by sunsunny3235(5)

Question 450383: x^2+10x+9=0 - Complete the square
Click here to see answer by rwm(914)

Question 450411: Factor by grouping.
xy + 6x + 10y + 60

please show me the steps to get the answer. Thanks
Click here to see answer by edjones(8007)

Question 450403: Factor the polynomial by grouping the terms together two at a time.
55x3 - 25x2 + 44x - 20

Please show me the steps to get the answer. Thanks
Click here to see answer by solver15(27)

Question 450584: x^2-2x-3=0

Click here to see answer by htmentor(1343)

Question 450585: Solve the equation by a method of your choice.
x^2-2x-3=0

Click here to see answer by rwm(914)

Question 450585: Solve the equation by a method of your choice.
x^2-2x-3=0

Click here to see answer by algebrahouse.com(1659)

Question 450582: Solve the equation by a method of your choice.
4x^2+15x+9=0

Click here to see answer by rwm(914)

Question 450616: x�+10x+61=0
Click here to see answer by rwm(914)

Question 450640: Can someone please help me with this problem...x^2+2x + 3
Thank you!
Click here to see answer by edjones(8007)

Question 450637: need help solving 350=(200x-8x^2)/3
Click here to see answer by rwm(914)

Question 450650: The axis of symmetry of a parabola is the line x = 9. What is the x-coordinate of the vertex of the parabola
Click here to see answer by oscargut(2103)

Question 450690: The axis of symmetry of a parabola is the line x = 9. What is the x-coordinate of the vertex of the parabola?
Click here to see answer by nerdybill(7384)

Question 450691: The vertex of a parabola is (5, 9). What is the equation of the axis of symmetry of the parabola?
Click here to see answer by nerdybill(7384)

Question 450742: Find all numbers for which the rational expression is undefined:
m^3 - 4m
--------
m^2 - 81
I do not have any work on this, but I know that the first step is to make the denominator = to 0.
then to solve for m.
Click here to see answer by ankor@dixie-net.com(22740)

Question 450922: how to find the quadratic function if only given the y-intercept which is 400

Click here to see answer by stanbon(75887)

Question 450956: Why Can The Variable X Be Substituded For Two Numbers?
Click here to see answer by ilana(307)

Question 450972: Graph the line: 5x+2y=15
Please show me the steps to get the answer. Thanks
Click here to see answer by Alan3354(69443)

Question 450971: How much of a 5% acid solution and a 20% acid solution must be mixed in order to obtain 3 gallons of a 10% acid solution?
Please show me the steps to get the answer. Thanks
Click here to see answer by stanbon(75887)

Question 450973: Find equation of line passing through the point: (5,-2) and (-3,4)
Please show me the steps to get the answer. Thanks
Click here to see answer by rfer(16322)

Question 450968: Solve: 9-3(2x-5)=4x-6
Please show me the steps to get the answer. Thanks
Click here to see answer by rfer(16322)

Question 450981: Solve: 2x^2-3x-5=0
Please show me the steps to get the answer. Thanks
Click here to see answer by edjones(8007)

Question 450731: how do you solve this equation for a b and c using the quadratic formula
x^2 - 4x -7 = 0
thanks for any help
Click here to see answer by richard1234(7193)

Question 450387: x^2=8 - Why is this not quadratic?
Click here to see answer by richard1234(7193)

Question 451039: FIND THE STANDARD EQUATION OF ANY PARABOLA THAT HAS VERTEX V.
V(4, -2)
Click here to see answer by robertb(5830)

Question 450979: Solve: 2x^2=-x+10
Please show me the steps to get the answer. Thanks
Click here to see answer by robertb(5830)

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, 29836..29880, 29881..29925, 29926..29970, 29971..30015, 30016..30060, 30061..30105, 30106..30150, 30151..30195, 30196..30240