Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 241759: 5y(y + 9) = 6(y + 9)
Click here to see answer by jim_thompson5910(28595)

Question 241751: can you figure out the answer to this equation, 3x^2+14x+94 using the completing the square method?
Click here to see answer by jim_thompson5910(28595)

Question 241751: can you figure out the answer to this equation, 3x^2+14x+94 using the completing the square method?
Click here to see answer by JimboP1977(308)

Question 241787: How do I graph this eqn? y= -x^2
Click here to see answer by JimboP1977(308)

Question 241787: How do I graph this eqn? y= -x^2
Click here to see answer by checkley77(12569)

Question 241788: i have -16x^2+88x+3=124 and i have to use the quadratic formula to solve the equation and i have to know at what point of the process does it become obvious that there is only one solution to this equation?
Click here to see answer by JimboP1977(308)

Question 241790: y=-16x^2+88x+24 how do you solve that with the quadratic equation?
Click here to see answer by stanbon(57377)

Question 241820: how would you do this problem?
solve(find the x intercepts)
x to the second power-8x=-16
Click here to see answer by stanbon(57377)

Question 241821: Is y=x^7 an example of a linear, quadratic or exponential equation?
Click here to see answer by stanbon(57377)

Question 241920: if a,b are the roots of the equation 2x2+6x-10=0.Find a4+b4,a3-b3,a6+b6,a6-b6
Click here to see answer by Edwin McCravy(8909)

Question 242047: If the base of a triangle is 8x+16 yards, and its height is 1 over x+2 yards (written as a fraction), then what is the area of the triangle?
Thank you!
Click here to see answer by Theo(3464)

Question 242001: Hello,
Please help me with the following problem:
1. Solve the equation by the method of your choice.
5x^2-18x=8
The solution set is_________ (Simplify your answer. Type integers or fractions. Use a comma to separate answers.)
Click here to see answer by scott8148(6628)

Question 242054: FIND THE BASE AND HEIGHT OF A TRIANGLE
area=60sq units base= 3x+6 height= x+5
area=1/2 bh help???
Click here to see answer by stanbon(57377)

Question 242122: Find the smallest integral value of c for which the roots of 2x^2-8x+C=0 ARE imaginary.... please help and thanks
Click here to see answer by stanbon(57377)

Question 242125: what is 50x squared - 2?
Click here to see answer by Alan3354(30993)

Question 242126: write the quadratic equation whose roots are 3+i and 3-i please show step by step.....
Click here to see answer by Alan3354(30993)

Question 242128: how to factor -4.9x^2+24x+2=0
Click here to see answer by checkley77(12569)

Question 242128: how to factor -4.9x^2+24x+2=0
Click here to see answer by stanbon(57377)

Question 242146: what is the difference between factoring quadratic equation and solving a quadratic equation?
Click here to see answer by College Student(505)

Question 242005: Hello,

Please help me with:
1. Evaluate the function f(x)=x^2+2x+9 at the given values of the independent variable and simplify.
a. f(-2) b. f(x+9) c. f(-x)
a. f(-2)=______________________
Thanks so much for your help!!
Click here to see answer by dpaulin(12)

Question 242416: I am having trouble solving this rational expression. 4a/5a-10 + 3a/10a-20

Kerri
Click here to see answer by MRperkins(300)

Question 242420: What is the number of solutions for the quadratic function f(x) = 3x^2 + 5x + 10
Click here to see answer by checkley77(12569)

Question 242580: write 7x^2+5=x^2-8x in STANDARD form and find the value of b.
Click here to see answer by stanbon(57377)

Question 242588: If you can find this you must be a genius! I've been working on this for half an hour... I would greatly appreciate it!
y=6x^2-9x-13
What is the larger intercept? What is the smaller intercept?
Click here to see answer by Theo(3464)

Question 242616: i just need this factored 30000r(squared)-2225r-14=0. just need it factored i can take it from there.
Click here to see answer by Theo(3464)

Question 242616: i just need this factored 30000r(squared)-2225r-14=0. just need it factored i can take it from there.
Click here to see answer by jsmallt9(3296)

Question 242618: 16. Find the value of n such that x2 + 2x + n is a perfect square trinomial.
4
–1
1
2
Click here to see answer by Theo(3464)

Question 242617: 16. Find the value of n such that x2 + 2x + n is a perfect square trinomial.
4
–1
1
2
Click here to see answer by rapaljer(4667)

Question 242693: 8 multiplied by 10^6
Click here to see answer by Alan3354(30993)

Question 242692: 9.3 multiplied by 10^-5
Click here to see answer by solver91311(16897)

Question 242690: (4/3)^-2
Click here to see answer by unlockmath(1602)

Question 242689: w^-4/w^6
This is a / fraction
Click here to see answer by unlockmath(1602)

Question 242738: 3x^2+14x-24=0
Click here to see answer by jim_thompson5910(28595)

Question 242799: solve the equation
(3m-6)^2 + 3(3m-6)-10=0
Thank you
Click here to see answer by jim_thompson5910(28595)

Question 242856: all rectangles have a perimeter of 138, find dimensions of the one whose area is largest
Click here to see answer by rapaljer(4667)

Question 242886: What is the parent function of a quadratic equation?
Click here to see answer by stanbon(57377)

Question 242869: A rectangle has a length 2 meters less than twice its width. When 5 meters is added to the width, the result is a square with an area of 144 square meters. Find the dimensions of the original rectangle
Click here to see answer by checkley77(12569)

Question 242857: find the domain and range of each of the following functions
1.) y=x2-5x+4
2.) y= square root of 2x-2
Click here to see answer by nyc_function(2733)

Question 242592: The Gateway Arch in St. Louis, Missouri, has a shape similar to that of a parabola. The edge of the arch can be modeled by
h= -(2/319)x^2+(92/21)x-(864/7)
where x and h are measured in feet. How high is the arch? Answer in units of ft.
Thanks!
Click here to see answer by ankor@dixie-net.com(15657)

Question 242335: A rectangle has a length 2 meters less than twice its width. When 5 meters is added to the width, the result is a square with an area of 144 square meters. Find the dimensions of the original rectangle
Click here to see answer by ankor@dixie-net.com(15657)

Question 242623: A rectangle has a length 2 meters less than twice its width. When 5 meters is added to the width, the result is a square with an area of 144 square meters. Find the dimensions of the original rectangle

Click here to see answer by checkley77(12569)

Question 242900: How do you know when an equation has infinitely many solutions? How do you know when an equation has no solution?
Click here to see answer by Edwin McCravy(8909)

Question 242922: Whats is the discriminat of 8x^2-5x+3=0
Click here to see answer by JimboP1977(308)

Question 242691: (2s^-1t^3/6s^2t^-4)^-3
Click here to see answer by nyc_function(2733)

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