Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 267271: WhY Is It So
Hard For Me To Do This I
Think Im Smart But I Just Cant Do
This I Think Itz Cuz Im Stupid Idk But I Need Alot Of Help ASAP!!!
Click here to see answer by jim_thompson5910(28476)

Question 267280: I am having the worst time trying to solve this one. Here is what I have:
25x^2 + 10x + 1
I come up with (5x + 2)(5x )
and then i am lost!
Please help!!
Click here to see answer by jim_thompson5910(28476)

Question 267319: solve each equation. give answers involving radicals in simplest radical form.
t^2 + 6t + 6 = 0
please show me how to do this
Thanks
Click here to see answer by solver91311(16868)

Question 267316: A rectangle has a perimeter of 100 cm. Find the greatest possible area for the rectangle.
Click here to see answer by solver91311(16868)

Question 267189: Find x.

Click here to see answer by ankor@dixie-net.com(15622)

Question 267557: (x-1)^2 = -49 take sqrt x-1=7 or x-1=-7 we now add 1 to each side of equations to solve for x x=8 or x=-6
Click here to see answer by Alan3354(30928)

Question 267626: . What is the equation for x = 2, 3? Can you also draw the graph
Click here to see answer by stanbon(57203)

Question 267628: 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? Explain. Provide your classmate’s with one or two solutions with which they must create a quadratic equation.

Click here to see answer by Alan3354(30928)

Question 267713: 3x+y=16
y=16-3x
x(16-3x)=16x-3x^2
x^2 +(16x-3x^2)= x^2+16x+9x^2
10x^2 +256
I get 10x^2-144x+256........the answer is 10x^2-96x+256
How do they get -96x??
This is a minimization/maximization of quadratic functions problem
Thanks for any/all help!
Click here to see answer by Alan3354(30928)

Question 267481: x/(.900-2x)^2 = 4 How do I solve for x?
Click here to see answer by ankor@dixie-net.com(15622)

Question 267876: how do you get the quotient for -9/i in the form a + bi
and
how do you get the quotient for

9+3i
_____
4 -8i
Click here to see answer by stanbon(57203)

Question 267876: how do you get the quotient for -9/i in the form a + bi
and
how do you get the quotient for

9+3i
_____
4 -8i
Click here to see answer by Alan3354(30928)

Question 267876: how do you get the quotient for -9/i in the form a + bi
and
how do you get the quotient for

9+3i
_____
4 -8i
Click here to see answer by josmiceli(9645)

Question 267893: I have a problem for Hw that i dont understand.
the problem says to write the equation in standard form.
heres the equation: 4x^2=12
how would you write that equation in standard form?
thanks for the help!
Click here to see answer by palanisamy(496)

Question 267899: How do factor out the greatest common factor of 56m8 + 32m6 +40?

Click here to see answer by persian52(158)

Question 268037: If you are looking at a graph of a quadratic equation, how do you determine where the solutions are? If you have any examples to provide, that would also be helpful. Thanks!
Click here to see answer by richwmiller(9132)

Question 268002: 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? explain
Click here to see answer by ankor@dixie-net.com(15622)

Question 268559: please help me solve this equation: 1/a+1/b=1/c. solve for b
Click here to see answer by ptaylor(2048)

Question 268688: -4j^2+3j-28=0
Click here to see answer by persian52(158)

Question 268748: The area of Beth's rectangular garden is(x2+13x+42)ft.2.the with is(x+6)ft.
what is the length of the garden?
Find the perimeter in term x.
Click here to see answer by dabanfield(803)

Question 268828: Please help me solve this equation: .
Click here to see answer by palanisamy(496)

Question 268826: Please help me solve this equation: .
Click here to see answer by mananth(12270)

Question 268825: Please help me solve this equation:
Click here to see answer by mananth(12270)

Question 268825: Please help me solve this equation:
Click here to see answer by jsmallt9(3296)

Question 268827: Please help me solve this equation: .
Click here to see answer by mananth(12270)

Question 268882: Find the slope of the line through the two points (5,3) and (3,2). Enter exact answer as a decimal and show all your work.
Click here to see answer by vksarvepalli(154)

Question 268883: Find the intercept of the line 4x + 3y = 6. Enter the exact answer as a decimal and show your work.
Click here to see answer by Alan3354(30928)

Question 268881: Find the slope of the line 8x + 4y = 9. Enter the exact answer as a decimal and show all your work.
Click here to see answer by stanbon(57203)

Question 268885: Simplify 5x³ + 7x² + 5 – (x³ + 2x – 6)
Click here to see answer by stanbon(57203)

Question 268934: the width of a rectangle is 11 inches less than its length. find the dimensions of the rectangle if the area is 80 square inches.
Click here to see answer by unlockmath(1599)

Question 268925: Hello: I need to solve: P(n) = -2n^2 + 40n + 20
Click here to see answer by solver91311(16868)

Question 268967: Please help me solve this problem.
1. Type an exact answer, using radicals as needed. Rationalize all denominators. use a comma to seperate answeres as needed.
15x^4-8x^2+1=0
Click here to see answer by stanbon(57203)

Question 269040: x squared=2x + 24
Click here to see answer by persian52(158)

Question 268557: please help me solve this equation: x/x+1-2=3/x-3
Click here to see answer by persian52(158)

Question 268745: victor threw a baseball into the air that modeled the equation h=-16t+36t+1,where h is the height in feet and t is the time in seconds.How long was the ball in the air if casey caught the ball 9 feet above the ground on its way down?
Click here to see answer by ankor@dixie-net.com(15622)

Question 269193: Use the discriminant to determine how many real-number solutions the equation has. s2 - 5s + 6 = 0
Click here to see answer by josmiceli(9645)

Question 269270: Identify the y-intercept(s) of the parabola y = -(x + 8)2 + 3.
Click here to see answer by dabanfield(803)

Question 269305: How do you use the quadratic formula to find roots of an equation with four terms? (x to the third -2xsquared + 16x -32)
Click here to see answer by Alan3354(30928)

Question 269305: How do you use the quadratic formula to find roots of an equation with four terms? (x to the third -2xsquared + 16x -32)
Click here to see answer by stanbon(57203)

Question 269375: Find the domain of the function g(x)=2/9-2x
Click here to see answer by stanbon(57203)

Question 269497: Simplify Answers 4 & 0 Why.
2y^2-8y=0
Click here to see answer by unlockmath(1599)

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