Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 359285: Very lost please help me

Solve

The solution is X= ???
Click here to see answer by checkley77(12844)

Question 359147: Please factorise the following(Please do not use the quadratic formula)
12x squared +17xy-5y squared

Thank you
Click here to see answer by Edwin McCravy(20054)

Question 359424: 6x^4 - 13x^2 + 5 = 0
Click here to see answer by mananth(16946)

Question 359435: Find a quadratic equation in standard form to model the data in the table.
x y
9 5
10 10
11 5
12 -10
13 -35
Click here to see answer by jrfrunner(365)

Question 359539: 6x2 - 20 + 7x = 0

Click here to see answer by mananth(16946)

Question 359547: define and give the importance of quadratic equation in real life situation ?
Click here to see answer by vleith(2983)

Question 359573: For the following equation, state the value of the discriminant and then describe the nature of the solutions.

1) What is the value of the discriminant ??
2) Does the equation have two real solutions,two imaginary solutions, or one real solution???
please help me, i have been stuck on this one for days. If someone could show me what the answer is supposed to be i would appreciate it greatly. Thank you
Click here to see answer by Fombitz(32388)

Question 359576: please help me, very lost

Find the vertex, the line of symmetry, and the maximum or minimum value of f(x). Graph the function.

f(x) = 1/5(x+8)^2+2

1) The vertex is "ordered pair" ??
2) The line of symmetry is x = ??
3) What is the maximum/minimum value of f(x) ??
4) Is the value, f(-8) = 2 a minimum or maximum ??
Click here to see answer by Fombitz(32388)

Question 359581: Very stuck, please help me please
Solve

The solution is x = ???
Click here to see answer by vleith(2983)

Question 359571: Please help me, and if u could show me to the answer i would appreciate it muchly.

Solve

The solution is x = ???
Click here to see answer by Alan3354(69443)

Question 359571: Please help me, and if u could show me to the answer i would appreciate it muchly.

Solve

The solution is x = ???
Click here to see answer by vleith(2983)

Question 359467: A baseball is hit straight upwards with an initial velocity of 72 feet per second and leaves the bat at an initial height of 3 feet. Write a formula, s(t), that models the height of the baseball after t seconds.
Click here to see answer by ankor@dixie-net.com(22740)

Question 359633: write a quadratic equation with -3/4 and 4 as its roots, write the equation in form ax^2+bx+c=0, where a,b, and c are integers
Click here to see answer by Jk22(389)

Question 359716: Find the real solution of the equation
x^6-35x^3=216
Click here to see answer by ewatrrr(24785)

Question 359965: f(x)=x2-12x+12 finding the vertex of the quadratic equation
Click here to see answer by Fombitz(32388)

Question 360031: Vertex at (2,1) and passes the point (0,-3). Find the quadratic function. f(x)=
Click here to see answer by Jk22(389)

Question 360001: Why do you factor a quadratic equation before you solve? How do you compute the intercepts of a quadratic function? What is the number of x- and y-intercepts that quadratic functions may have?
Click here to see answer by Fombitz(32388)

Question 360224: Hello! Jess here! I was wondering if someone could help me. This week my class is working on problems and I don't quite understand how to obtain the answer of some of them. If someone could be so kind as to lead me through (with all the steps) the following problem, I would be most appreciative.
The directions are: Solve the equation by the square root property.
6x^2=96
Click here to see answer by JBarnum(2146)

Question 360220: Hi, I need some help. I am required to show my work, and I have NO idea how to obtain an answer for this kind of problem. If someone could help me, I would be most appreciative. ;o)
Directions: Solve
If a $2000 investment compounded to $2289.80 after 2 yrs, determine the annual interest rate of the investment. Use the compound interent formula A=P(1+r)^t

Click here to see answer by unlockmath(1688)

Question 360222: Hi There, I was hoping someone could guide me through this problem. If it's not too much trouble, I am looking for the steps to solve to be included in the answer.
Directions: Solve
A ladder that is 10ft long is 6ft from the base of the wall. How far up the wall does the ladder reach?

Click here to see answer by checkley77(12844)

Question 360250: (x-6)^2=81
Click here to see answer by edjones(8007)

Question 360233: create a quadratic equation for
examples -4,4
Click here to see answer by edjones(8007)

Question 360104: what is a quadratic equation for the given information. -sqrt2,3sqrt2.
Click here to see answer by Fombitz(32388)

Question 360232: f(x)=x^2-x-2/x^2-16 Looking to find the x-int
Click here to see answer by neatmath(302)

Question 360351: Please factorise the following (Please do not use the quadratic formula)
6x squared +x-15

Click here to see answer by mananth(16946)

Question 360349: Please factorise the following (Please do not use the quadratic formula)
36x squared -7x-4

Thank you.
Click here to see answer by Alan3354(69443)

Question 360384: Please solve the following by factors (Please do not use the quadratic formula)

9x squared -9x-28=0
Click here to see answer by nerdybill(7384)

Question 360420: Please solve the following equation by factors (Please do not use the quadratic formula)

2x squared -7x=15
Click here to see answer by ewatrrr(24785)

Question 360548: ...In preparation for using the quadratic formula, given the equation
4+3x^2 = x
.....After putting it in standard form, the value of a is _____ , the value of b is ___ , and the value of c is ____ .

Click here to see answer by JBarnum(2146)

Question 360546: In order to solve a quadratic equation by completing the square, place the letter of the following steps in the CORRECT ORDER FROM left to right all on one line using ONLY THE 5 LETTERS GIVEN:
A) ISOLATE X TO FIND ITS TWO VALUES
B) COMPLETE THE SQUARE ON THE LEFT AND ADD THAT QUANTITY TO THE RIGHT SIDE OF THE EQUATION
C) FACTOR THE LEFT INTO THE ( )^2 FORM
D) ISOLATE THE CONSTANT TERM BY MOVING IT TO THE RIGHT SIDE OF THE EQUATION
E) TAKE THE SQRT OF BOTH SIDES OF THE EQUATION
Click here to see answer by edjones(8007)

Question 360545: Solve for ALL SOLUTIONS for the equation:
x^2-160=9
Click here to see answer by edjones(8007)

Question 360516: Can you help me with step by step on the solution below.
The solutions are x = 3 and x = -3

Click here to see answer by JBarnum(2146)

Question 360510: Hello how are you I am trying to solve a math problem dealing with rational and radical exponents. Thank you for your help. The problem is (-16)^1/4 I am having a hard time solving this problem and thank you very much for your help. :)
Click here to see answer by checkley77(12844)

Question 360573: Solve this equation by using the quadratic form.
x(1/2) - 5 sqrt 3x(1/4) + 18 = 0
Click here to see answer by stanbon(75887)

Question 360579: Solve this equation by using the quadratic form.
x(1/2) + (sqrt 3)x(1/4) - 18 = 0
or
x to the 1/2 power plus sqrt of 3 x to the 1/4 power - 18 = 0.
Any help will be greatly appreciated.
Click here to see answer by stanbon(75887)

Question 360547: Solve the equation x^2-16x+15=0 for ALL SOLUTIONS by COMPLETING THE SQUARE and include AT LEAST THE FIRST TWO MIDDLE STEPS.
Click here to see answer by Fombitz(32388)

Question 360571: Solve this equation by using the quadratic form.
6x^4 + 11x^2 +4 = 0
Click here to see answer by Fombitz(32388)

Question 360427: x-y=0
5x-3y=10
Click here to see answer by robertb(5830)

Question 360428: 7x-11y=42
5x+55y=10
Click here to see answer by robertb(5830)

Question 360428: 7x-11y=42
5x+55y=10
Click here to see answer by mananth(16946)

Question 360620: sowmya takes 6 days less than the no of days taken by Bhagya to complete a piece of work if both sowmya and bhagya together can complete the same work in 4 days in how many days wil bhagya alone complete the work
Click here to see answer by mananth(16946)

Question 360643: Please solve the following equations by factors (Please do not use the quadratic formula)
x squared -2x-3=0

4x squared -29x+7=0
Click here to see answer by ewatrrr(24785)

Question 360639: Please factorise the following using the difference of two squares method.
36x squared -25

1-36a squared

49a squared -4b squared
Click here to see answer by Alan3354(69443)

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