Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 264235: How do get letter alone, example "n" divided by 46
Click here to see answer by stanbon(75887)

Question 264336: solve this equation y2=144 and round to the nearest tenth
Click here to see answer by JBarnum(2146)

Question 264387: Bart can complete his science task twice as quickly as Carl can. When they Work together, the task takes 3 hours. How long would it take Carl to do the work alone?
Click here to see answer by Edwin McCravy(20055)

Question 264313: for each quadriatic function(a) find the vertex, the axis of symmetry, anf the maximum or minimum function value and (b) graph the function.
f(x) = 4Xsquare + 16x +13
Click here to see answer by Alan3354(69443)

Question 264597: 2a-5b=4
5a-2b=3
Click here to see answer by checkley77(12844)

Question 264621: How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Is it possible to have different quadratic equations with the same solution? Please explain and provide examples if possible.
Click here to see answer by stanbon(75887)

Question 264629: Complete the square,simplify. Express any complex numbers using i notation

(2x )(x )
I am stuck because I can not figure out which 2 numbers multiply to 9 and add to 5.If I use (2x+3)(x+1) I can get 5x but no 9. Please help! This is where I always get stuck while factoring.
Click here to see answer by jim_thompson5910(35256)

Question 264649:
This problem looks easy, but I can't figure it out. I think I am just supposed to factor it?
(x+3)(x+3)....??

Click here to see answer by jim_thompson5910(35256)

Question 264648: Solve by quadratic formula and simplify

Do I just factor this problem now since it is already in standard form? I am not sure
Click here to see answer by jim_thompson5910(35256)

Question 264732: Simplify the equation, then solve by the quadratic formula. Use i notation for nonreal complex numbers.

3x^2 -4x = -4
(4/2)^2 = 4
3x^2+4 -4x=
Now I am confused!
Click here to see answer by jim_thompson5910(35256)

Question 264754: Solve the equations using the sq rt property

3x-9= +/ sq rt 81
3x = 9 +/ sq rt 81
x = 9+/ sq rt 81/3
Should I reduce this all the way? It seems like a strange answer because 9,81,and 3 are all connected.

Click here to see answer by jim_thompson5910(35256)

Question 264812: what are the factors of 6r^2+3rs-18s^2
Click here to see answer by mananth(16946)

Question 264817: Solve:
For the function given by f(x)= 2x^2 - 12x + 23. First find the vertex and the axis of symmetry, then graph the function
Click here to see answer by stanbon(75887)

Question 264874: x^2+4x+2=0

Click here to see answer by JBarnum(2146)

Question 264875: Solve for variable t
A = P(1 + rt)
Click here to see answer by mananth(16946)

Question 264879: Order of operations is essential to get the correct answer. Write the quadratic formula [NOT THE DERIVATION] all on ONE HORIZONTAL LINE being especially careful to include the correctly placed THREE SETS OF parenthesis that will insure you answer will be done in the correct order to get the correct two values for x.

Click here to see answer by Theo(13342)

Question 264878: Solve the following equation for ALL SOLUTIONS
x^2-10x= -9
using the QUADRATIC FORMULA and INCLUDING AT LEAST THE FIRST TWO MIDDLE STEPS
Click here to see answer by mananth(16946)

Question 264946: 5rad3x+1=-1
Click here to see answer by stanbon(75887)

Question 264963: Two pipes can fill a large tank in 10 hours. One of the pipes, used alone, takes 15 hours longer than the other to fill the tank. How long would each pipe take to fill the tank alone?
Click here to see answer by stanbon(75887)

Question 264969: Solve each quadratic equation by completing the square.
4x(squared)=-2x+1
I get it where there are variables on one side and constants on the other, but the fractions are throwing me off.
Click here to see answer by stanbon(75887)

Question 264944: 2x^2-6x-14=0
Click here to see answer by checkley77(12844)

Question 264943: 3x=1-1/x
Click here to see answer by checkley77(12844)

Question 264967: If you have two parabolas formed by the two equations: y=x^2+2 and y=-x^2+5 at what point(s) do these two parabolas intersect each other?
Click here to see answer by Alan3354(69443)

Question 265035: solve.
6x^4-5x^2+1=0
Please help.
Click here to see answer by stanbon(75887)

Question 265170: Solve the equation 8x3 + 4x2 − 18x − 9 = 0 algebraically for all values of x.
Click here to see answer by palanisamy(496)

Question 265118: 2x to the second power+5x
Click here to see answer by checkley77(12844)

Question 265220: Looking at a graph of a quadratic equation, how do you determine where the solutions are?
Thank you
Click here to see answer by Alan3354(69443)

Question 265220: Looking at a graph of a quadratic equation, how do you determine where the solutions are?
Thank you
Click here to see answer by stanbon(75887)

Question 265280: What is the intersection of the quadratic equations -x^2+1 and x^2-2x-3
Click here to see answer by stanbon(75887)

Question 265270: True or False. The y-coordinate is positive in quadrants I and IV?
Click here to see answer by rfer(16322)

Question 265412: The coefficients of a quadratic equation are positive integers and the difference between the two roots of the equation is 2. If one of the roots is -3/4, find the equation.
Click here to see answer by Edwin McCravy(20055)

Question 265470: Write a quadratic equation having the given numbers as solutions.
4i, -4i
Click here to see answer by Alan3354(69443)

Question 265488: how do you write an quadratic equation that have given number7,-7 as the solution
Click here to see answer by CharlesG2(834)

Question 265537: I would like you know how to solve the following algebra equation?
6p2 + p/15p - 2p - 4/7p - 13 = 2p - 1/5
Click here to see answer by Alan3354(69443)

Question 265708: how do you find the other points to put on a graph in a quadratic equation after finding the vertex
Click here to see answer by drk(1908)

Question 265890: Complete the square.Then write the trinominal square in factor form.
x^2 + 8x
Click here to see answer by JBarnum(2146)

Question 265894: Write a quadratic equation having the given numbers as a solution.
-7,4
Click here to see answer by unlockmath(1688)

Question 265889: use the quadratic formula to determine the x-intercepts(if any)of the following function.
f(x) = -x^2 + 2x -2
Click here to see answer by vksarvepalli(154)

Question 265881: Sue rowed her boat across Lake Bend and back in 3 hours. If her rate returning was 2 mph less than the rate going, and if the distance each way was 7 miles, find her rate going.

I am having a hard time setting up this problem.
Click here to see answer by mananth(16946)

Question 265936: how do i solve this problem x^2 + 10x + 16 = 0

Click here to see answer by palanisamy(496)

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