# Questions on Algebra: Quadratic Equation answered by real tutors!

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 Quadratics: solvers Practice! Answers archive Lessons Word Problems In Depth

## Tutors Answer Your Questions about Quadratic Equations (FREE)

 Question 259536: 4+ the square root of 25 Click here to see answer by ashtontr(4)
 Question 259536: 4+ the square root of 25 Click here to see answer by mathbath(13)

 Question 259563: (-4,-37) (2,11) (0,-1) I need to write a quadratic, mostly I'm confused about the triple elimination part of it. Click here to see answer by Fombitz(13828)

 Question 259749: The discriminant determines how many _____ a quadratic equation will have and whether they are real or imaginary. Click here to see answer by drk(1908)
 Question 259749: The discriminant determines how many _____ a quadratic equation will have and whether they are real or imaginary. Click here to see answer by richwmiller(9143)

 Question 259766: 16x^2-6x+6=0 For the equation, state the value of the discriminant and then describe the nature of the solutions. I have tried every way possible and I can't figure this out. Thank you, Patrice Click here to see answer by nerdybill(6959)
 Question 259766: 16x^2-6x+6=0 For the equation, state the value of the discriminant and then describe the nature of the solutions. I have tried every way possible and I can't figure this out. Thank you, Patrice Click here to see answer by Alan3354(30993)
 Question 259766: 16x^2-6x+6=0 For the equation, state the value of the discriminant and then describe the nature of the solutions. I have tried every way possible and I can't figure this out. Thank you, Patrice Click here to see answer by richwmiller(9143)

 Question 259771: how do i find the answer to f(0)=3x-7 i dont know where to begin to find the answer! please help Click here to see answer by Fombitz(13828)

 Question 259772: Find the value of k for which the equation 3x2 − kx + 7 = 0 will have two real solutions. Click here to see answer by Fombitz(13828)
 Question 259772: Find the value of k for which the equation 3x2 − kx + 7 = 0 will have two real solutions. Click here to see answer by CharlesG2(828)

 Question 259584: I need help in converting the following equation to a quadratic equation and then factor it: V(h)=3h^4+11h^3+18h^2+44h+24 Click here to see answer by Fombitz(13828)

 Question 259841: How do I solve the qauadratic equation -4x²=0.....I am really confused! Thank you in advance Click here to see answer by Alan3354(30993)

 Question 259854: I'm having a brain freeze...The problem is g(x)= 2x^2 + 5x -2, g(4). My question is, when solving, do I multiply 2x4, then ^2, or do I 4^2, then multiply that answer by 2?? Simple question, but I really can't remember. Thanks!! Click here to see answer by scott8148(6628)

 Question 259859: This one is a bit different than what I have actually learned my my lessons. Could you help me solve this equation? 10x^4 - 27x^2 + 5 = 0 Click here to see answer by jim_thompson5910(28595)
 Question 259859: This one is a bit different than what I have actually learned my my lessons. Could you help me solve this equation? 10x^4 - 27x^2 + 5 = 0 Click here to see answer by scott8148(6628)

 Question 259866: Evaluate the discriminant of each equation. How many real and imaginary soulutions does each have? if you could help with the 4 problems i can do the rest of the paper please explain as well so i can see what im doing please x^2+5x+6=0 3x^2-4x+3=0 -2x^2-5x+4=0 16x^2-8x+1=0 Click here to see answer by jim_thompson5910(28595)

 Question 259973: My book says the answer is -5 and -3, where am I missing it? x= x= x= x= x= Click here to see answer by nerdybill(6959)

 Question 259972: My book says the answer is -5 and -3, where am I missing it? x= x= x= x= x= Click here to see answer by ankor@dixie-net.com(15652)
 Question 259972: My book says the answer is -5 and -3, where am I missing it? x= x= x= x= x= Click here to see answer by Edwin McCravy(8909)

 Question 259971: Solve using quadratic formula. My book says the answer is 4x^2-2x-7=0 x= x= x= I need help at this point. Thank you Click here to see answer by ankor@dixie-net.com(15652)

 Question 259991: find & label the vertex, and the line of symmetry f(x)=3(x-2)^2 (the vertex is an ordered pair) Click here to see answer by stanbon(57354)

 Question 259986: give exact and approximate solutions to three decimal places: y^2-8y+16=1 Click here to see answer by Edwin McCravy(8909)

 Question 259992: write a quadratice equation having the given numbers as solutions -7 and 1 use standard form, x as a variable Click here to see answer by stanbon(57354)

 Question 259996: solve 3x^2-7x-13=0find x-intercepts of f(x)=3x^2-7x-13 what are the solutions x= what are the x-intercepts (ordered pair Click here to see answer by checkley77(12569)

 Question 260009: a farmer decides to enclose a rectangular garden using the side of a barn as one side of the rectaangle. what is the maximum area that the farmer can enclose with 60ft of fence? what should the dimensions of the garden be to give this area? maximum area that the farmer can enclose with 60 ft of fence is ______ sq ft dimensions of the garden to give this area is 30 ft by _____ ft Click here to see answer by richwmiller(9143)

 Question 259988: solve by completing the square: x^2+7/2x=7 Click here to see answer by ankor@dixie-net.com(15652)

 Question 260010: find & label the vertex(ordered pair) and the line of symmetry, graph the function: f(x)=1/2x^2 Click here to see answer by checkley77(12569)

 Question 259995: solve by completing the square: x^2+7/2x=7 Click here to see answer by edjones(7569)

 Question 260127: i dont understand how to factor 6x squared - 13x -8 = 0 Click here to see answer by dabanfield(803)

 Question 260158: Solve for 4x^2-4x-3=0 Click here to see answer by richwmiller(9143)

 Question 259994: give exact and approximate solutions to three decimal places: y^2-8y+16=1 Click here to see answer by mananth(12270)

 Question 260235: how to solve this quadratic equation for x^3+11x-60=0? Click here to see answer by richwmiller(9143)

 Question 260230: Solve: x^2+4x+3=0 Click here to see answer by stanbon(57354)

 Question 260229: Solve: 2x(x+5)=100 Click here to see answer by stanbon(57354)

 Question 260228: Solve using the quadratic formula. 3x^2-7x+3=0 Click here to see answer by richwmiller(9143)
 Question 260228: Solve using the quadratic formula. 3x^2-7x+3=0 Click here to see answer by Alan3354(30993)
 Question 260228: Solve using the quadratic formula. 3x^2-7x+3=0 Click here to see answer by stanbon(57354)

 Question 260237: Intermediate and Elementary Algebra 3rd Edition ISBN: 9780073533490 6.4 Exercise: 90 Melanie can paint a certain barn by herself in X days. Her helper Melissa can paint the same barn by herself in 2x days. Write a rational expression for the fraction of the barn that they complete in one day by working together. Evaluate the expression for x – 5. Click here to see answer by stanbon(57354)

 Question 260277: Solve this equation: x^3+729=0 I know this much: 1st solution is -9 (x+9)^3=0 (x+9)[x^2-9x+81] This is where I'm stuck..When I use the quadratic formula I get 9 +/-square root of 243 over 2 Now what? The answer is 9 +9i 'square root' of 3 over 2. How do you get that? Click here to see answer by drk(1908)

 Question 260286: i don't really understand the nature of roots in a quadratic function. it says: for what values of k does kx^2-2x+3=0 have two different real roots? i'm not sure what to plug in or how to continue on from here... Click here to see answer by edjones(7569)

 Question 260355: r^2-10=3r solve for factoring? Click here to see answer by drk(1908)
 Question 260355: r^2-10=3r solve for factoring? Click here to see answer by richwmiller(9143)

 Question 260425: Can you please solve this 3x^2-5x-13=0 Click here to see answer by richwmiller(9143)

 Question 260430: Hi! Can you please help me find the product of this equation? (-4x - 3y)(2x - 9y + 1) I get confused on how to break this down. Should I use FOIL? Thank you Click here to see answer by jim_thompson5910(28595)

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