Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 401079: x^2-18x-4=0
Click here to see answer by jsmallt9(3758)

Question 401141: During the first part of a trip a canoeist travels 48 miles at a certain speed. The canoeist travels 19 miles on the second part of the trip at a speed 5 mph slower. The total time for the trip is 3 hours. What was the speed on each part of the trip?
Click here to see answer by robertb(5830)

Question 401068: x^2-4x=6
Click here to see answer by jsmallt9(3758)

Question 400987: Hello,
I need to write a quadratic equation in the variable x having the given numbers as solutions. Type the equation in standard form, ax^2 + bx + c = 0. The given numbers are two solutions: - sqrt 3, index 3 sqrt 3.
I am not sure how to type the the index number, sorry. What I know is initially it looks like:
. I am not sure how to make this into a quadratic equation. Could you show me in complete detail how to do this please? Thank you :)
Click here to see answer by jsmallt9(3758)

Question 401412: Give exact and approximate solutions to three decimal places.
(x+2)^2=25
Click here to see answer by njusa(12)

Question 401409: Determine the nature of solutions of the equation.
x^-10x+25=0
what does the equation have?
a two real solutions
b two non-real solutions
c one real solution
Click here to see answer by njusa(12)

Question 401408: Solve formula for given letter Assume all variables represent non-negative #s. a^+b^=g^ for a
Click here to see answer by richard1234(7193)

Question 401405: In 2005, the members of a club paid a total of $42 in subscription fees. In 2006, the number of members increased by 20 and the subscription fees were subsequently reduced by 10 cents per member. The total of the subscription fees for 2006 was $45. How many members were there in 2005?
:) =)
Click here to see answer by ankor@dixie-net.com(22740)

Question 401411: Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function and graph the function on paper.
f(x)=x^2-4x-4
What is vertex?
(ordered pair)
What is the equation of the line of symmetry? x=?
What is the max./min. of f(x)
is the value, f(2)=-8 a min or max
Click here to see answer by robertb(5830)

Question 397042: x^2-4x-5=0
Click here to see answer by robertb(5830)

Question 401703: how to solve x2=4x
Click here to see answer by edjones(8007)

Question 402260: Find a quadratic model in standard form for each set value.
(0, 3) (1, 10) (2, 19)
Click here to see answer by solver91311(24713)

Question 402303: Quadratic Formula: Solve
3 = 5/x + 4/x^2
they say the answer is 5 + or - sqrt of 73 / 6, I get -5 + or - sqrt of 73 over 8. Please walk me thru each step. Thanks
Click here to see answer by Earlsdon(6294)

Question 401807: Completing the square
$\bg_white x^2+\frac{3}{2}x=3$
Click here to see answer by Mr.Math(29)

Question 401049: Add:
(2/3x^2-4x-1)+(1/3x^2-19x+28)
Simplify as much as possible.
Click here to see answer by Mr.Math(29)

Question 402423: how do i factor:
b sqared-19b-120

Click here to see answer by MathLover1(20849)

Question 402700: 2nd and last problem I need help with.
solve x^2-5x-24=0 using the quadratic equation.
Thanks once again for you help
Click here to see answer by sofiyac(983)

Question 402699: what would be the graph of the equation x^2-1=0

Click here to see answer by sofiyac(983)

Question 402723: The equation x^2 + k = 6 x has two distinct real roots. Find the range of values of k.
:) =)
Click here to see answer by stanbon(75887)

Question 402741: y=x^2-9x find the x intercepts
Click here to see answer by sofiyac(983)

Question 402741: y=x^2-9x find the x intercepts
Click here to see answer by nerdybill(7384)

Question 402768: How high on a wall does a 12-ft ladder reach when the ladder forms a 60� angle with the ground?
Click here to see answer by Alan3354(69443)

Question 402776: By expressing (1+j) in polar form and using De Moivre's Theorem, show that (1+j)^24 = 2^12. Obtain (1-j)^24.
Show that (2 sqrt3- 2j)^12 =4^12. Obtain (2 sqrt3+2j)^12
Thanks
Click here to see answer by Alan3354(69443)

Question 402779: Answer the questions below about the quadratic function.
g(x)=2x^2+20x+49
Does the functions have a minimum OR maximum value?
Where does the minimum or maximum value occur?
What IS the function's minimum or maximum value?
Click here to see answer by Alan3354(69443)

Question 402830: Can you please tell me how this problem gets solved? I'd like to see the steps from the problem to the answer
100x(to 3rd degree)and it's all in a square root sign
the answer is 10x(square root x)
I'm not sure how to arrive at the answer, I understand that 10 is the square root of 100, but what happens with the x's?
Thank you so much!
L
Click here to see answer by Alan3354(69443)

Question 402893: factor 12s2+11s-5
Click here to see answer by jim_thompson5910(35256)

Question 403062: I have to determine whether the equation represents a quadratic relationship without making a table or a graph and explain, this is my equation , will you please help me?

Click here to see answer by MathLover1(20849)

Question 403065: I have to determine whether the equation represents a quadratic relationship without making a table or a graph and explain, this is my equation , will you please help me?

Click here to see answer by MathLover1(20849)

Question 403093: what is the slope of 2x+4
Click here to see answer by solver91311(24713)

Question 403093: what is the slope of 2x+4
Click here to see answer by richard1234(7193)

Question 403098: How long would it take a ball dropped from an 81-foot tower to hit the ground? Round your answer to the nearest two decimal places.
Click here to see answer by scott8148(6628)

Question 403640: 2.Does the equation 3(x � 1) + 5 = 15x + 7 � 4 � 4(3x +1) + 3 has infinitely many solutions,
one solution, or no solutions? Show your work to illustrate your answer.
Click here to see answer by robertb(5830)

Question 403638: 1. Does the equation 2x + 7 � 3x = �x + 12 has infinitely many solutions, one solution, or no
solutions? Show your work to illustrate your answer.
Click here to see answer by robertb(5830)

Question 403687: How would you find the equation for the quadratic function that has zeros 5 and 1 and f(0)=1?
Click here to see answer by robertb(5830)

Question 403721: 5*(2*x-3)^2+7
Click here to see answer by sofiyac(983)

Question 403877: I am not good in math at all! I want to know how would i solve 6(p square-1)=5p
Click here to see answer by texttutoring(324)

Question 403877: I am not good in math at all! I want to know how would i solve 6(p square-1)=5p
Click here to see answer by solver91311(24713)

Question 403902: I need to complete the square to make a perfect square trinomial
x^2+6x
Click here to see answer by stanbon(75887)

Question 403857: Could you help me w/ this problem?
Multiply (2x+6)(8x^2+6x+2)
Thanks in advance!
Click here to see answer by Mr.Math(29)

Question 404080: x+y=17 2x+4y=56
how did they get the answer 56?
Click here to see answer by stanbon(75887)

Question 404100: if f (x)=x^2-18x+13 find and simiplify f(x+h)-f(x)/h h=0

Click here to see answer by stanbon(75887)

Question 404151: Could you please tell me how I would solve this question?:The sum of the squares of two consecutive positive odd integers is 202. find the integers.
Click here to see answer by stanbon(75887)

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