Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 306737: X-2
Click here to see answer by ichudov(507)

Question 306779: how doo i Solve the equation by graphing x2 - 5x - 24 = 0
Click here to see answer by Fombitz(32388)

Question 306791: y2+3y+1=0
Click here to see answer by texttutoring(324)

Question 306859: 2+2
Click here to see answer by nyc_function(2741)

Question 306807: Factor 6x2-12x+3x
Click here to see answer by nyc_function(2741)

Question 306901: One-half of a number is 25 more than one-third of the same number. What is the number?
Click here to see answer by solver91311(24713)

Question 306905: An investment of $1500 paid interest of $45 during a certain period. How much interest would an investment of $2000 invested at the same time rate or the same length of time pay?
Click here to see answer by ichudov(507)

Question 306915: In baseball a players batting average is the ratio of hits to the number of the times he or she has batted. Thus, if the player has an average of .300, it means he or she got 300 hits in 1000 at bats. In order to have an average of .300, how many hits would the batter have to get in 400 times a bat?
Click here to see answer by checkley77(12844)

Question 306936: Find all real solutions to this equation:
x^2+x+sqrt(x^2-x)-2=0
This is confusing. Please help. thanks
Click here to see answer by richwmiller(17219)

Question 306970: 2(3x+1)(x-7)=0
DUE TOMORROW! PLEASE HELP!
Click here to see answer by solver91311(24713)

Question 306973: A rectangle is 4 times as long as it is wide. A second rectangle is 5 centimeter longer and 2 centimeters wider than the first. The area of the second rectangle is 530 square centimeters greater than the first. What are the dimensions of the original rectangle?
Click here to see answer by mananth(16946)

Question 306983: 2(3x+1)(x-7)=0
can someone please show me step-by-step how to solve this problem?
i am not understanding how to solve using the quadratic formula...
Click here to see answer by mananth(16946)

Question 306957: Two planes leave Chicago- one traveling due east and the other due west. The first travels 100 miles per hour faster than the second. How long will it be until they are 2000 miles apart?
Click here to see answer by ichudov(507)

Question 306959: In the period of a year, an investor lost twice as much as he gained. If he originally had $10,000 and now has $6000, what amount did he gain and what did he lose?
Click here to see answer by ichudov(507)

Question 307020: The sum of a number and it's reciprocal is 10 over 3. What is the number?
Click here to see answer by themathtutor2009(81)

Question 307020: The sum of a number and it's reciprocal is 10 over 3. What is the number?
Click here to see answer by rapaljer(4671)

Question 307133: use any method to solve the equation 7x^2-16x-28=0
Click here to see answer by Stitch(470)

Question 307112: when i do a question that has a zero at the end of it i do the formula but i always get it wrong, why?
Click here to see answer by Fombitz(32388)

Question 307080: suppose that a town experience quadratic growth of the form p=7t^2+7,500, where (t) is the time in years from 2010.
a. solve the equation

Click here to see answer by Fombitz(32388)

Question 307151: how to evaluate 512^5/9
Click here to see answer by Fombitz(32388)

Question 307177: Tickets to the school dance cost $4, and the projected attendance is 300 people. It is further projected that for every 10 cent increase in ticket price, the average attendance will decrease by 5. At what ticket price will the receipts from the dance be $1,248? Show the quadratic equation used to solve this problem and show all work in solving it.
Click here to see answer by ankor@dixie-net.com(22740)

Question 307217: 3x^2+80=0
Click here to see answer by checkley77(12844)

Question 307264: What does it mean to refer to a 20-in TV set or a 25-in TV set? Such units refer to the diagonal of the screen. A 10-in TV set also has a width of 8-in. What is its height?
Click here to see answer by checkley77(12844)

Question 307265: Find all numbers for which the rational expression is undefined.
p^3 - 9p/p^2 -81
Click here to see answer by rapaljer(4671)

Question 307539: A car rental co. charges a daily fee plus a mileage fee. Joe was charged $429 for 5 days and 300 km., while Mary was charged 315 for 3 days and 500 km. What does the car rental co. charge per day and per kilometre ? Thanx for your help.
Click here to see answer by checkley77(12844)

Question 307607: What is the slope of x^2-9=0, x^2+5=0, 4x^2=0, 2x^2-8=0, x^2+16=0, x^2+7=7,
Click here to see answer by Alan3354(69443)

Question 307697: x^2 + 4 = 0
Click here to see answer by Alan3354(69443)

Question 307795: factor completely 45x^4+50x^3
Click here to see answer by rapaljer(4671)

Question 307826: Find the roots of each quadratic equation without making a table or a graph.
y=x^2+4x-5
Click here to see answer by scott8148(6628)

Question 307814: what is the intersection points of y= x^3-3x^2+x and y=x^2-3x
my concern is inputing x^3 into the quadratic equation
Click here to see answer by scott8148(6628)

Question 307828: Please help me solve this equation:
{x^2+x+sqrt(x^2+x)-2=0}

Click here to see answer by mananth(16946)

Question 307793: solve the following equation q: 2q+3/3+3q-4/6=q-2/2
Click here to see answer by mananth(16946)

Question 307877: By how much does the sum of the roots of the equation ( x + 1) (x - 3) = 0 exceed the product of its roots?

Click here to see answer by mananth(16946)

Question 307926: Y=x�+6x+8
Click here to see answer by Fombitz(32388)

Question 308022: what is the maximum or minimum value of the quardratic function ?
f(x)=3x^2+12x+8
a. -28
b. -4
c. -2
d. 44
tthanks!
Click here to see answer by Fombitz(32388)

Question 308022: what is the maximum or minimum value of the quardratic function ?
f(x)=3x^2+12x+8
a. -28
b. -4
c. -2
d. 44
tthanks!
Click here to see answer by rapaljer(4671)

Question 308046: How do I solve and graph a quadratic equation?
Click here to see answer by rapaljer(4671)

Question 308176: simplest radical form
1) a=-2 b=8 c=5
2)a=4 b=2 c=-5
3)a=4 b=-10 c=5
4)a=3/2 b=1/3 c=2/3
5)a=4 b=-.6 c=-.5
Click here to see answer by Alan3354(69443)

Question 308194: The directions are:
Factor each polynomial, if possible. If the polynomial cannot be factored using intergers, write prime.
The problem is:
12q^2+34q-28
Click here to see answer by edjones(8007)

Question 308296: It takes Meihua two hours more to complete a 50-km journey than it takes Ailin to complete a 40-km journey.If the average speed of Meihua for the journey is 5 km/h less than ailin, calculate the average speed for each girl.
Click here to see answer by mananth(16946)

Question 308334: If one solution to the equation x^2 � 3x + k = 0 is 4, then what is the other solution?
a) -4 b) -1 c) 1 d) 4 e) cannot be determined from the information given

Click here to see answer by rapaljer(4671)

Question 308327: Find the product of the solutions of this equation 15x^2+23x-41=0
Click here to see answer by Fombitz(32388)

Question 308326: Find the sum of the solutions of this equation 5x^2+3x+8=0
Click here to see answer by Fombitz(32388)

Question 308348: Find the x and y-intercepts. F(x)=25x^2+20x+4

Click here to see answer by Fombitz(32388)

Question 308383: how do i solve 12 x � +19 x=21 by completing the square and using the formula a(x-h)�+k
Click here to see answer by Fombitz(32388)

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