Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE) Get help from our free tutors ===> Algebra.Com stats: 2031 tutors, 423808 problems solved View all solved problems on Quadratic_Equations -- maybe yours has been solved already! Become a registered tutor (FREE) to answer students' questions. Click here to see problems AND answers on one page Question 433239: Hi, I need help with this problem, mainly just how to come up with an equation to use in the Quadratic Formula. Thanks! The Garys have a triangular pennant of area 420 in^2 flying from the flagpole in their yard. the height of the triangle is 10in less than 5 times the base of the triangle. What are the dimensions of the pennant? Click here to see answer by nerdybill(7003)   Question 433247: 3x2-8x+2=0 Click here to see answer by jorel1380(2518)   Question 433247: 3x2-8x+2=0 Click here to see answer by roe(1)   Question 432931: I need help completing the square of a quadratic equation. ] (3x^2)+(x)-(1/2)=0 The farthest I got before getting confused was this: (x+1/2)^2=5/12 Thank you for your time and help! =D Click here to see answer by ankor@dixie-net.com(15746)   Question 433376: I need more questions like this one to be a better student... The area of a soccer field is 5500 square yards. The width of the field is 60 yards less than the length. Find the length, in yards, of the field hockey field. Can you direct me to where I might find them on this site? Thanks! Click here to see answer by stanbon(57967)   Question 433393: Evaluate the discriminant of each equation. How many real and imaginary solutions does it have. 1. 4x^2-4x+1=0 2. x^2-6x+7=0 Click here to see answer by josmiceli(9817)   Question 433448: The height of a right triangle is 6 inches longer than the base. The area of the triangle is 108 sq in. Find the measures of the triangles base and height. Click here to see answer by nerdybill(7003)   Question 433461: I want to know how to factor 7m+7n+28 Click here to see answer by Alan3354(31518)   Question 433700: I need your help on this quadratic formula question. You have to solve it using the formula. the problem is 10x squared-5x+5=-25x it has to be set equal to zero beforing solving. I am getting a little stuck half way through, i would really appreciate your help. Click here to see answer by psbhowmick(529)   Question 433700: I need your help on this quadratic formula question. You have to solve it using the formula. the problem is 10x squared-5x+5=-25x it has to be set equal to zero beforing solving. I am getting a little stuck half way through, i would really appreciate your help. Click here to see answer by Alan3354(31518)   Question 433773: I need help solving this quadratic equation. Every answer that I get looks nothing like the answer in the book. f(x)= -6x^2+8x+9 Click here to see answer by psbhowmick(529)   Question 433863: I need a little help if anyone has a few moments. I need to write a quadratic equation with these two answers: x=1 or x=6 Any help would be great. I just seem to be getting these wrong. Click here to see answer by stanbon(57967)   Question 433865: I have a tough one, well, tough for me. I have to write a quadratic equation with these two answers: sqrt4 or -3/4. Can someone help me? Click here to see answer by josmiceli(9817)   Question 433992: How do you solve the following problem: Jeffery has 48 feet of fencing to make a rectangle dg pen. If a houses used for one side of the pen, what would the length and width for maximum area? Click here to see answer by shree840(260)   Question 434240: Hi, How can I factor this polynomial? -18xy^3+27x^4y thanks Paola Click here to see answer by Gogonati(817)   Question 434323: How to write a quadratic equation when given the solutions _10,7 Click here to see answer by stanbon(57967)   Question 434333: Make a graph of y=6^2-4x-3 Click here to see answer by stanbon(57967)   Question 434383: Solve each quadratic equation. 1. x^2+3x=-5 2. x^2-36=0 3. 2x^2-4x+10=0 Click here to see answer by edjones(7569)   Question 434414: PLEASE SOLVE EACH QUADRATIC EQUATION. 1. x^2+3x=-5 2. x^2-36=0 3. 2x^2-4x+10=0 Click here to see answer by edjones(7569)   Question 434411: Solve the following system of linear equations by graphing. (If the system has no solution, enter NONE for each answer. If the system is dependent, enter INFINITELY MANY for each answer.) x-y=4 3x-3y=12 x = ? y = ? Please show me the steps to get the answer. Thanks Click here to see answer by Alan3354(31518)   Question 434435: y2-4y-45=o I need help solving this my teacher went through it in class but i still don't get it please go through it step by step. Thank you :) Click here to see answer by edjones(7569)   Question 434435: y2-4y-45=o I need help solving this my teacher went through it in class but i still don't get it please go through it step by step. Thank you :) Click here to see answer by josmiceli(9817)   Question 434422: Solve the following system of linear equations by graphing. (If the system has no solution, enter NONE for each answer. If the system is dependent, enter INFINITELY MANY for each answer.) 6x-2y=6 x-y=3 x = ? y = ? Please show me the steps to get the answer. Thanks Click here to see answer by mananth(12270)   Question 434479: during the first part of the trip, a canoeist travels 30 miles at a certain speed. the canoeist travels 16 miles on the second part of the trip at a speed 5mph slower.t he total time for the trip is 5 hrs. what was the speed on each part of the trip Click here to see answer by mananth(12270)   Question 434598: Solve. 20-x^2=4 Click here to see answer by jsmallt9(3296)   Question 434657: I need to know if x^2-9x-10,000=0 can be factored. And what would it be factored into? Thanks, Jennifer Click here to see answer by psbhowmick(529)   Question 434657: I need to know if x^2-9x-10,000=0 can be factored. And what would it be factored into? Thanks, Jennifer Click here to see answer by solver91311(17077)   Question 434844: Findthe value of c that makes the expression a perfect square trinomial. Then write the expression as a square of a binomial. x^2 +3x + c Click here to see answer by stanbon(57967)   Question 434839: Solve the equation by completing the square. Round solution to the nearest hundredth if necessary. X^2 + 6x =2 Click here to see answer by nerdybill(7003)   Question 434839: Solve the equation by completing the square. Round solution to the nearest hundredth if necessary. X^2 + 6x =2 Click here to see answer by solver91311(17077)   Question 434850: Twice the square of an integer is 3 less than 7 times the integer. Find the integer. 2x^ = 1st integer 7x-3 = 2nd integer 2x^=7x-3 2x^ + 7x + 3 = 0 (2x+1)(x+3) 2x+1 = 0 x+3=0 2x=-1 x=-3 x=-1/2 & x = -3 this is as far as i could get? Is this right? We are to solve this using the GSSC model. Click here to see answer by Alan3354(31518)   Question 434850: Twice the square of an integer is 3 less than 7 times the integer. Find the integer. 2x^ = 1st integer 7x-3 = 2nd integer 2x^=7x-3 2x^ + 7x + 3 = 0 (2x+1)(x+3) 2x+1 = 0 x+3=0 2x=-1 x=-3 x=-1/2 & x = -3 this is as far as i could get? Is this right? We are to solve this using the GSSC model. Click here to see answer by stanbon(57967)   Question 435305: Write the following number in expanded form. 2.04 x 104=? Please show me the steps to get the answer. Thanks Click here to see answer by stanbon(57967)   Question 435301: Find the volume of a cube if each side is 8 inches long. ? inches^3 Please show me the steps to get the answer. Thanks Click here to see answer by richard1234(5390)   Question 435317: how do you do problems like 1/2x^2-4? Click here to see answer by stanbon(57967)   Question 435303: Write the following number in expanded form. 3.13 x 102= ? Please show me the steps to get the answer. Thanks Click here to see answer by Alan3354(31518)   Question 435303: Write the following number in expanded form. 3.13 x 102= ? Please show me the steps to get the answer. Thanks Click here to see answer by poopstainonmath(4)   Question 435382: The base of a triangle is 6 centimeters greater than its height.The area of the triangle is 80 square centimeters. Find its base and height. Click here to see answer by solver91311(17077)   Question 435439: Solve the following system of linear equations by the elimination method. (If the system has no solution, enter NONE for each answer. If the system is dependent, enter INFINITELY MANY for each answer.) 5/12x-1/2y=-61/6 1/5x-1/3y=-167/15 x=? y=? Please show me the steps to get the answer. Thanks Click here to see answer by mananth(12270)   Question 435477: y=-2x^2-10x Click here to see answer by Alan3354(31518)   Question 435483: What is the type and how many solutions are there to the following quadratic equation? x^2-3x+3=0 A. one rational solution B. two complex solutions C. two rational solutions Thanks. Click here to see answer by solver91311(17077)   Question 435322: Researach for a given orchard has shown that, if 100 pear trees are planted, then the annual revenue is $90 per tree. If more trees are planted they have less room to grow and generate fewer pears per tree. As a result, the annual revenue per tree is reduced by $.70 for each additional tree planted. No matter how many trees are planted, the cost of maintaining each tree is $7.40 per year. How many pear trees should be planted to maximize the profit from the orchard tree for one year? Click here to see answer by ankor@dixie-net.com(15746)   Question 435569: How do you factor 3x^2+490x+6000 ? Thanks. :) Click here to see answer by Edwin McCravy(8999)   Question 435725: what is x +9x+14 Click here to see answer by rwm(914)   Question 435794: 8x^(2)+7x-1=0 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