Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 322014: if the segment is 66.. then how many distinct points are there
Click here to see answer by Fombitz(32388)

Question 322076: help me solve five x squared+80
Click here to see answer by JBarnum(2146)

Question 322072: x^2 + 10x = 300
Find the positive value for x.
Give your answer correct to 3 significant figures.
Click here to see answer by Jk22(389)

Question 322132: y^4+y^2-36=0
Click here to see answer by checkley77(12844)

Question 322130: x^2+x+=0
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Question 322125: how do i get x^3-24x=5x^2
Click here to see answer by Fombitz(32388)

Question 322129: v^2=12v-24
Click here to see answer by checkley77(12844)

Question 322052: Solve. Simplify, use radicals if needed, rationalize all denominators, and use comma to separate answers.
Problem:
6x^4 - 13x^2 + 6 = 0
Thank you very much!!!
Click here to see answer by Fombitz(32388)

Question 322054: 9x squared= -5x-6
Use the quadratic formula to solve the equation
Click here to see answer by checkley77(12844)

Question 322171: 1.For each quadratic function, state: direction of opening, vertex, equation of axis of symmetry, coordinates of maximum or minimum and domain and range.
(a)y=-2x^2-3
Click here to see answer by solver91311(24713)

Question 322180: The equation describes the path of a football, where t is the time in flight in seconds and h is the height of the football in metres.
How long is the football in the air (to the nearest second)?
Click here to see answer by solver91311(24713)

Question 322179: The equation describes the path of a football, where t is the time in flight in seconds and h is the height of the football in metres.
At what time is the maximum height reached?
Click here to see answer by solver91311(24713)

Question 322178: The equation describes the path of a football, where t is the time in flight in seconds and h is the height of the football in metres.
(a)What is the maximum height of the football?
Click here to see answer by solver91311(24713)

Question 322183: Determine whether each set of data is linear, quadratic, or neither using finite differences.
X Y
0 -1
1 1
2 3
3 5
4 7
Click here to see answer by Edwin McCravy(20054)

Question 322198: How do you find a quadratic equation if you are only given the solution? Write a quadratic equation for the given solutions: 1/4 and 0.
Click here to see answer by galactus(183)

Question 322182: Determine whether each set of data is linear, quadratic, or neither using finite differences.
X Y
1 -3
2 -2
3 2
4 9

Click here to see answer by Edwin McCravy(20054)

Question 322200: If you have the solutions: -3 and -2, what would the quadratic equation be?
Click here to see answer by Earlsdon(6294)

Question 322200: If you have the solutions: -3 and -2, what would the quadratic equation be?
Click here to see answer by Edwin McCravy(20054)

Question 322195: Please show me how to solve a quadratic equation using the quadratic formula. Can you please provide an example of a quadratic equation and show how you solved it? I am struggling with this topic.
Click here to see answer by solver91311(24713)

Question 322212: The equation h=-4t^2+16t+1.5 describes the path of a football, where t is the time in flight in seconds and h is the height of the football in metres.
How long is the football in the air (to the nearest second)?
Click here to see answer by stanbon(75887)

Question 322210: The equation h=-4t^2+16t+1.5 describes the path of a football, where t is the time in flight in seconds and h is the height of the football in metres.
At what time is the maximum height reached?
Click here to see answer by solver91311(24713)

Question 322209: 4.The equation h=-4t^2+16t+1.5 describes the path of a football, where t is the time in flight in seconds and h is the height of the football in metres.
What is the maximum height of the football?
Click here to see answer by solver91311(24713)

Question 322199: Please show me how to work a quadratic equation by "completing the square" Please provide an example for me to learn more about this method.
Click here to see answer by vleith(2983)

Question 322244: Edward leaves home at 9AM to hike to another town 12 miles away. He rests for 1 hour, and then hikes back on the same path and reaches home at 5PM. When coming back, his speed was 1mph < his speed going to the other town.
-What was his speed going both ways.
NOTE: I was able to solve some of this problem:
Distance = 12 miles (one way)
Rate = (x+1) going and (x) coming back
Time = Total 8 hours, but 1 hour spent resing so 7 hours. PLEASE HELP!!!

Click here to see answer by stanbon(75887)

Question 322260: I've been trying and trying to find the answer to this. Please help
Match the quadratic function with its graph. f(x)=3x(squared)-x-5 How do I figure out the graphing of these functions|? i have no idea what I'm doing?

Click here to see answer by Alan3354(69443)

Question 322240: solve this equation by factoring: x^2=-11x-10
Click here to see answer by Fombitz(32388)

Question 322271: how to do punt and square?
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Question 322172: For each quadratic function, state: direction of opening, vertex, equation of axis of symmetry, coordinates of maximum or minimum and domain and range.
y=3(x-4)^2+1
Click here to see answer by Fombitz(32388)

Question 322299: How do I get B in this Equation?
r^2-br+49=0
A=1
B=?
C=49
Click here to see answer by mananth(16946)

Question 322297: I have a missing "b" term. How should I go about getting it. Here is the problem.
p^2+bp+25=0
A=1
b= ?
C= 25
Click here to see answer by mananth(16946)

Question 322248: I'm trying to find a way that quadrati equations actually have practical day to day uses. But I'm struggling. For example, how can a quadratic equation help a basketball player make accurate free throws? Or help an engineer build an amusement park ride?
Dori
Click here to see answer by Alan3354(69443)

Question 322477: I am still struggling with this topic. How would I create a quadratic equation with given solutions 9 and 16?
Click here to see answer by solver91311(24713)

Question 322602: A model rocket is launched off the top of a platform. The height of the rocket is given by the function h(t)= -4.9t^2 + 86t + 2.1, where h(t) is the height in meters and t is the time in seconds.
A) When will the rocket's height be 200 m?
B) How long will it take for the rocket to reach the ground?
Click here to see answer by galactus(183)

Question 322636: explain what the product of zero principle is and provide an example
Click here to see answer by jessica43(140)

Question 322686: BONUS: Factor x� - 4x + 4 � 9y�.
Click here to see answer by CharlesG2(834)

Question 322678: factor if possible:
(2x + y)^2 - (2x � y)^2
Click here to see answer by Jk22(389)

Question 322675: Factor, if possible
t^6 - 18t^3 + 81
Click here to see answer by Fombitz(32388)

Question 322707: Quadratic equation solve by completing the square x^+26x-84=0
Click here to see answer by Fombitz(32388)

Question 322710: x^+85=18x solve by any method ( factoring, extracting square roots, or completing the square)
Click here to see answer by Fombitz(32388)

Question 322709: x^+12=0 solve by any method factoring, extracting square roots, or completing square
Click here to see answer by Fombitz(32388)

Question 322749: The hypotenuse of a right triangle has a length of 13 cm. the sum of the lengths of the other two sides is 17. Find the unknown lengths.
Click here to see answer by Fombitz(32388)

Question 322680: factor if possible:
x^4 + 22x^2 + 121
Click here to see answer by Fombitz(32388)

Question 322752: Ethan cuts half a rectangular lawn 40 m by 30 m by mowing a strip of equal width around the perimeter. Julia cuts the small rectangle left. How wide a strip does Ethan cut so that they share the work equally?
Click here to see answer by solver91311(24713)

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