Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 260990: t^5-256t=0
I took a t out and got: t(t4-256)=0
what do i do now?
Click here to see answer by solver91311(24713)

Question 261243: A student opens a mathematics book to two facing pages. The product of the page numbers is 600. what are the two page numbers?
Click here to see answer by Alan3354(69443)

Question 261243: A student opens a mathematics book to two facing pages. The product of the page numbers is 600. what are the two page numbers?
Click here to see answer by richwmiller(17219)

Question 261216: Solve.... The solution or solutions is/are r = ________

r^2+2r-35=0

Thank you so much for your time.
Click here to see answer by Alan3354(69443)

Question 261214: Factor the trinomial completely.
a^3-5a^2-14a

Thank you so much for your help.
Click here to see answer by Alan3354(69443)

Question 261422: Maybe I'm thinking too hard. This seems easy enough but the more I think about it, the more I think I'm wrong. The question is:
'Find the equation of a quadratic function with a vertex at the point (-1,-5) that also contains the point (1,3).'
My answer is (x+1)^2-5
Am I right or at least close? I don't recall doing a problem like this is class and I haven't found one like it in my textbooks. Thanks for the help guys!
Click here to see answer by jim_thompson5910(35256)

Question 261415: The path of a baseballafter a batter hit a pop-upcan be modeled by the following function. For this functionh metres is the height and d metres is teh horizontal distanceof the ball from home plate, where it was hit.
h=-0.07(d-10)squared+8
a. What is the maximum height of the ball.
b.What was teh horizontal distance of the ball from home plate when it reached its maximum height.
c.What was the height of the ball when it was hit.
d.If the ball was caught 19.5m from home plate, how far off the ground was the infielders glove when he caught the ball, to the nearest tenth of a metre.
e. If no one had caught the ball, what would its horizontal distance from home plate have been when it hit the ground, to the nearest tenth of a metre
Click here to see answer by Logitechmath(1)

Question 261133: I have to indentify the following components of each quadratic function then graph the function.
1. y=x^2 +2x -3
axis of symmetry x= -b/2a:_____ ( i got -4, i can't remember how I got this)
vertex(-b/2a,y):______
y-intercept (c):_______
two other points:______
I am in cyber school and I can get how to do this. Please help.
Click here to see answer by ankor@dixie-net.com(22740)

Question 261507: How can I find the quadratic equation if only one solution is provided? Thanks
Click here to see answer by richwmiller(17219)

Question 261529: how is the following equation solved
z - 7z1/2 + 12 = 0
Click here to see answer by jsmallt9(3758)

Question 261524: Write the equation of the quadratic function with roots of 6 and 10, and a vertex of (8,2). HELP!
Click here to see answer by solver91311(24713)

Question 261527: The product of 2 consecutive positive even integers is 440. What are the integers?
Click here to see answer by Alan3354(69443)

Question 261620: Add.
(2x squared -7xy + y squared) + (-6x squared - 2xy - y squared) + (x squared + xy - 9y squared)
in other words:
(2x^2-7xy+y^2)=(-6x^2-2xy-y^2)+(x^2+xy-9y^2)
The answer is ?
Thank you to anyone who can possibly help me with this problem!!!!!!!!
Click here to see answer by richwmiller(17219)

Question 261736: Write the equation of the quadratic function with roots of 0 and 1, and a vertex of (-1/2,2). Thank you in advance.
Click here to see answer by ichudov(507)

Question 261736: Write the equation of the quadratic function with roots of 0 and 1, and a vertex of (-1/2,2). Thank you in advance.
Click here to see answer by stanbon(75887)

Question 261699: The equation x^2 + Bx + C = 0 has 5 as the sum of its roots and 15 as the sum of the squares of the roots. What is the value of C?
Click here to see answer by Edwin McCravy(20054)

Question 261834: 2x^2+16x=0
Click here to see answer by stanbon(75887)

Question 261896: x-y=1
x+y=3
i need a pare of quardents
Click here to see answer by solver91311(24713)

Question 261896: x-y=1
x+y=3
i need a pare of quardents
Click here to see answer by richwmiller(17219)

Question 261839: solve x^2 - 2x - 13 = 0
Click here to see answer by Stitch(470)

Question 261839: solve x^2 - 2x - 13 = 0
Click here to see answer by checkley77(12844)

Question 261835: 4x^2=13x+12
Click here to see answer by Stitch(470)

Question 261941: Bayside Insurance offers two health plans. Under plan A Giselle would have to pay the first $140 of her bills and 25% of the rest. Under plan B Giselle would pay the first $160, but only 20% of the rest. For what amount of medical bills will plan B save Giselle money? Assume she has over $160 in bills.
Giselle would save with plan B if she had more than $____ in bills?
Please help I have been working on this for over an hour.
Deborah
Click here to see answer by jim_thompson5910(35256)

Question 261964: Jim,
I have tried to follow and plug in the equation but it is not working. I have been at this for over an hour and my brain is fried. Help!!
Bayside Insurance offers two health plans. Under plan A Giselle would have to pay the first $140 of her bills and 25% of the rest. Under plan B she would have to pay the first $160 of her bills and 20% of the rest. For what amount of medical bills will plan B save Giselle money? Assume she has over $160 in bills.
Giselle would save with plan B if she had more than $_________in bills?
When it says assume she has over $160 in bills, does that mean you can use any number higher than 160?
Please help,
Thank you
Deborah
Click here to see answer by jim_thompson5910(35256)

Question 262144: If f(x)=(1/3)x + 3, then f-1(x) is?
I got 3x-3, but I got it wrong.
Click here to see answer by nerdybill(7384)

Question 262144: If f(x)=(1/3)x + 3, then f-1(x) is?
I got 3x-3, but I got it wrong.
Click here to see answer by palanisamy(496)

Question 262198: At how many points do the graphs of y = x^3 and y = x^2 + 4x intersect?
Click here to see answer by richwmiller(17219)

Question 262207: suppose that the width of a certain rectangle is 2 inches more than one fourth of its length. the perimeter is 54 inches. find the length and the width.
Click here to see answer by palanisamy(496)

Question 262205: I need help with the equation 3(4x-9)=x+100. So far I have done two steps and then i am completely lost? My first step I got 12x-27=x+100, then the second step I got 12x=x+127, now I cant figure out how do I divided the 12 with the x or the 127?
Click here to see answer by Theo(13342)

Question 262235: What are the possible number of solutions for a quadratic equation?
there are a maximum of 2 solutions since the highest order exponent is 2.

Click here to see answer by Alan3354(69443)

Question 262234: How would I find the points at which the parabola formed y=x^2 and the line formed by y=2x+3 intersect
Click here to see answer by Alan3354(69443)

Question 262099: I need help on how to Perform the Indicated Operation:
__X___ - ____3_____
x^2-16 _x^2+5x+4
These are 2 different fractions. The first denominator is the x^2-16 and the second denominator under the 3 should be x^2+5x+4. Thank you so much for you help! If you can write it out to where I can understand how you got the conclusion, because I have more questions like this and I want to be able to do them on my own.

Click here to see answer by ankor@dixie-net.com(22740)

Question 262245: How would I find the points at which the parabola formed y=x^2 and the line formed by y=2x+3 intersect?
Click here to see answer by nerdybill(7384)

Question 262296: Here is an example of a quadratic equation can you explain to me step by step how to solve it. 5x-2y=8
Click here to see answer by drk(1908)

Question 262300: Give exact and approximate solutions to 3 decimal places.
x^2+16x+64=9
Please help me solve.
Click here to see answer by drk(1908)

Question 262317: determine the nature of the solutions of the equation
x^2+4=0
Please help me solve.
Click here to see answer by stanbon(75887)

Question 262320: Find the vertex, line of symmetry, maximum or minimum value, and graph.
f(x)=3x^2-24x+50

Please help me solve.
Would it be 4,-2?
Click here to see answer by richwmiller(17219)

Question 262320: Find the vertex, line of symmetry, maximum or minimum value, and graph.
f(x)=3x^2-24x+50

Please help me solve.
Would it be 4,-2?
Click here to see answer by Alan3354(69443)

Question 262314: Find and label the vertex and the line of symmetry. Graph the function
f(x)=1/2x^2
Please help me solve.
Click here to see answer by richwmiller(17219)

Question 262307: Give exact and approximate solutions to 3 decimal places.
(x+4)^2=36
Please help me solve.
Click here to see answer by solver91311(24713)

Question 262441: I have tried this question many time but was unsuccessful in getting the right answer :( Please help me!!
The solution set of the equation 2x^2-6x+3=0 is ??
Click here to see answer by jim_thompson5910(35256)

Question 262508: Use the discriminant to determine how many real number solutions the quadratic equation -4x^2 + 3x - 28 =0 has.
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