Questions on Algebra: Quadratic Equation answered by real tutors!

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Question 499460: 36x^2-12x+1=0
Click here to see answer by oberobic(2304)

Question 499477: For the following equation, state the value of the discriminate and then describe the nature of the solutions. -19x^2+8x+8=0
What is the value of the discriminant?
Which one of the statements below is correct?
A-The equation has two imaginary solutions.
B-The equation has two real solutions.
C-The equation has one real solution.
Click here to see answer by MRperkins(300)

Question 499535: find the two consecutive even integers whose product is 624

Click here to see answer by mananth(12270)

Question 499770: Is 2 a solution of 3x+1=6
Click here to see answer by oberobic(2304)

Question 501025: subtract. simplify if possible
6-x/x-2 - 4x-7/2-x=
Click here to see answer by Maths68(1474)

Question 501374: use the quadratic formula to solve the equation x^2-5x= -9
Click here to see answer by rfer(12660)

Question 501391: what is the number of days after the ticket sale begin?
Click here to see answer by richard1234(5390)

Question 501665: please help me about this problem : one leg of a right triangle is 1 cm longer than the other leg, and the hypotenuse is 2 cm longer than the shorter leg. Find the lengths of the three sides of the triangle.I think the legs are 3 and 4 cm and the hypotenuse is 5 cm. but iam not sure about it, i need a solution and some explanation for this, i will also report this tomorrow on our class. please help me. thank you.
Click here to see answer by geetha_rama(64)

Question 501814: I need help solving the following... I have to simplify and then solve using the quadratic formula but I am getting stuck something is not right.. I have started to simplify but end up canceling out the 3x but don't I need that??? Grrrr Help please!!!
x(x+3)-2=3x+7
Click here to see answer by Alan3354(30993)

Question 501800: I am trying to figure out how to figure out the following... I am not sure how to change this into a quadratic formula to solve...
x^2=2/3x
Please help!!!

Click here to see answer by htmentor(789)

Question 501925: x2+7x+10=
Click here to see answer by solver91311(16890)

Question 502053: I am not sure that this is a quadratic equation. I do not know what this is. But I need HELP!!!!
4- a-5/a+3 = a^2-1/a+3

I have been trying to figure this one out and I can not.
Please help. Thank you.
Click here to see answer by lwsshak3(6506)

Question 502349: Please help me I appreciate it
1.
Describe the graph of the quadratic function f(x) = -x2 + 7x + 8 by identifying the following:
the concavity of the graph;
the vertex;
the line of symmetry;
the x-intercepts and y intercept;
Justify your answers by showing work or providing a logical explanation.

Additional Instructions:

Describe the graph algebraically; in other words, without graphing.
Show work to support your answers.
Click here to see answer by lwsshak3(6506)

Question 502785: Solve equation using quadratic formula:
3n^2 - 2n - 56 = 0
(Three n squared minus 2n minus 56 equals 0)
Click here to see answer by jim_thompson5910(28595)

Question 502859: 9x^(4)-18x^(2)+5=0

Click here to see answer by persian52(158)

Question 502181: (5a-4)= a+41/a-1
Please help if you can.
Click here to see answer by persian52(158)

Question 503218: Please help me solve 16xsquared-8x-3=0
Click here to see answer by jim_thompson5910(28595)

Question 503233: Ron and Kathy are ticket-sellers at their class play, Ron handling student tickets that sell for $2.00 each and Kathy selling adult tickets for $4.50 each. If their total income for 20 tickets was $60.00, how many did Ron sell?
Click here to see answer by Maths68(1474)

Question 503929: Find all numbers for which the rational expression is undefined.
p^3 - 9p/p^2 -64

Click here to see answer by oberobic(2304)

Question 503993: What happens to the 3 after you factor it out from the quadratic equation 3x^2 -3x-36=0? Is the 3 rejected or do you divide by 3 on both sides of the equation?
Click here to see answer by josmiceli(9680)

Question 503998: x^2=2x-26
Click here to see answer by oberobic(2304)

Question 503998: x^2=2x-26
Click here to see answer by bucky(2189)

Question 504108: -5 and -1
Click here to see answer by oberobic(2304)

Question 504431: -d/5- 21= -62

Click here to see answer by jim_thompson5910(28595)

Question 504751: my problem is x squared+8x+5.how do i get the answer? my teacher showed us a b c, but i dont understand .which number goes to each letter?(a,b,c)
Click here to see answer by rfer(12660)

Question 505556: For which value of x is the following algebraic equation true?
x2-4x+4=0
Click here to see answer by edjones(7569)

Question 505703: 20!/3!(20-3)!
Click here to see answer by jim_thompson5910(28595)

Question 506564: How do you solve s^2+3s-54=0
Click here to see answer by Gogonati(809)

Question 506659: Complete the square for the equation.
x^2 + 11/3
Click here to see answer by stanbon(57356)

Question 506641: Determine whether (2, -3) is a solution to the following system of equations. Be sure to explain your answer.
3x - 2y = 12
2x + 3y = -5.... I am not sure how to do this, I tried graphing it and seeing what i could do from there but im just not getting it!..
AND...
When solving a system of equations using the substitution menthod, you obtain the following result: 8 = 9. This result gives you some information about the solution.
a) How many solutions does the system have?
b) What would the graph of the system look like?
I just do not even know how to do this one, I dont know where to even start!HELP!! ...

There are the three possible outcomes for a system of equations. What does each LOOK like? How many solutions does each one have?

Click here to see answer by jennywecas(28)

Question 506761: Please help me solve this equation

Click here to see answer by richard1234(5390)

Question 506810: Suppose you are solving a system of equations where one equation is y=|x| and the graph of the other equation is a line. What are the possible number of solutions? Select all that apply.
Click here to see answer by Edwin McCravy(8909)

Question 506692: I am having trouble with this problem. Could someone please help.
sqrt18+sqrt24 divided by sqrt6 Show your steps.
Click here to see answer by ankor@dixie-net.com(15652)

Question 507193: I am having problems with Algebra/Trigonometry sticking in my brain. I did this problem 3x+4= -8
-4= 4
_____________________
x = -4
What I don't understand is what happens to the 3???
My next problem is 2(x+7)=5x+14 I don't know where to start??

Click here to see answer by Edwin McCravy(8909)

Question 506871: solve the equation: (w+2)^2=2w^2+10w+13 for w
if there is more than one solution, seperate them with commas
Click here to see answer by jim_thompson5910(28595)

Question 508207: 3y^2/3+21y^1/3+30=0 Whats the solution to this? an can you show step by step so i'll know how to solve next time?
Click here to see answer by stanbon(57356)

Question 508462: Find two consecutive positive odd numbers given that difference between their reciprocals is 2\63
Click here to see answer by Alan3354(30993)

Question 508543: Find a so that the graph of f(x) = loga(x) contains the point (1/3, -6). Give your answer correct to 2 decimal places.
Click here to see answer by swincher4391(726)

Question 508660: Factor the following equation completely. Factor out the GCF first.
4x^2-6x-4
Click here to see answer by stanbon(57356)

Question 508789: A polynomial expression is given by 3(t-2)^2+11(t-2)+6. What are its factors? I tried to solve it and I come to 3t^2-t+6 and I can't factor it.
Click here to see answer by scott8148(6628)

Question 508808: An enclosed area is designed using one existing wall, and 72m of fence material. What is the maximum possible area of this enclosure? So I did y=72-2x, hence A=(x)(72-2x). Then, I factored it out to A=72x-2x^2. I graphed it but i got 648 as the maximum area and its wrong.
Click here to see answer by scott8148(6628)

Question 508847: pls answer my word problems..............
two pipes together can fill a large tank in 2 hours. one of the pipes, used alone, takes 3 hours longer than the other to fill the tank. how long would each pipe take to fill the tank alone.
FASTER PIPE: RATE:1/x IN 2 HRS.
SLOWER PIPE: RATE:????? IN 2 hrs.
Click here to see answer by oberobic(2304)

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, 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