Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 463888: p(x)=-2x^2+39x-132 find the maximun and minimum i belive the vertex is (9.75,566.65)
Click here to see answer by richard1234(7193)

Question 463903: Solve:
12t-36=t^2
Please show me step by step to get the answer. Thanks
Click here to see answer by stanbon(75887)

Question 463986: factor: the polynomial
2r^2+5r+4
Please show me step by step to get the answer. Thanks
Click here to see answer by Alan3354(69443)

Question 464008: Solve each formula for the indicated letter. Assume that all variables represent nonnegative numbers.
A = pi*r^2 + pi*rs, for r (Surface area of a cone)

Click here to see answer by stanbon(75887)

Question 464030: Given the quadratic function f(x) = 25x^2 � 100x + 100, find a value of x such that f(x) = 25.
Click here to see answer by Alan3354(69443)

Question 464121: if you have a perimeter of 24, what point on the parabolas graph represents the maximum area?
Click here to see answer by Alan3354(69443)

Question 464126: solve this equation by using the quadratric form.
x 1/2-5√3x 1/4+18=0
Click here to see answer by Alan3354(69443)

Question 464114: Find the x- and y- intercepts for the graph of the following equation.
5x + 6y = 120
Click here to see answer by nerdybill(7384)

Question 464128: solve this equation by using the quadratic form
3/x-7+4/x+2=1

Click here to see answer by Alan3354(69443)

Question 464128: solve this equation by using the quadratic form
3/x-7+4/x+2=1

Click here to see answer by Edwin McCravy(20054)

Question 464160: I need help with this problem please
solve by completing the square
x^2-9/2x-1/2=0
x^2-9/2x=1/2
(9/2/2)^2=(9/4)^2=81/16
x^2-9/2x+81/16=1/2+81/16
(x-9/2)^2=89/16
89/16 is where I get confused. Where do they get 89. This is where I need help to finish the equation and others as well. Thank you for you time and explanation
Click here to see answer by Alan3354(69443)

Question 464125: solve this equation by using the quadratic form.
x 1/2+√3x 1/4-18=0
answer in decimal form
topic of question is algebra 2
Click here to see answer by Alan3354(69443)

Question 464264: I would sincerely appreciate it if you could please help me solve the following equation:
23/(x-1) + 3 - 70/(x^2-4x+3)=0
I know that when x^2-4x+3 is factored, it becomes (x-1)(x-3), and I think I need to get rid of the denominator to solve the question, but I'm experiencing some difficulty finishing the question.
Click here to see answer by algebrahouse.com(1659)

Question 464277: Suppose that the function is defined as follows.
h(x)= -(x-5)^2-3

Graph the range of on the number line below. Please answer this ASAP. very URGENT. Thnks!
Click here to see answer by lwsshak3(11628)

Question 464302: Dear Algebra Gods, please help me answer this question? I am grateful for your help and wisdom.
Find the vertex, the line of symmetry, the maximum or minimum value of f(x. Graph the function:
f(x)=1/2(x+9)^2+5
Click here to see answer by stanbon(75887)

Question 464301: Dear Algebra Gods, please help me answer this question? I am grateful for your help and wisdom.
Find the vertex, the line of symmetry, the maximum or minimum value of f(x. Graph the function:
f(x)=1/2(x+9)^2+5
Click here to see answer by edjones(8007)

Question 464409: Can you please show the working using the principle of zero products
30d^2+34d+8 = 0
Click here to see answer by Edwin McCravy(20054)

Question 464378: Hello, can you help me find the solutions to this question? Thank you in advance.
Find the vertex, the line of symmetry, the maximum or minimum of the quadratic function, and graph the function:
f(x)=-2x^2+2x+8
Click here to see answer by lwsshak3(11628)

Question 463871: Factor: Factor the product of polynomial.
8m^4n-18m^2n
Please show me step by steps to get the answer. Thanks
Click here to see answer by lwsshak3(11628)

Question 463988: Find all x- intercept:
f(x)=24x^3-14x-20x
Please show me step by step to get the answer. Thanks
Click here to see answer by lwsshak3(11628)

Question 463980: evaluate the discriminant, and predict the type and number of solutions.
s^2+2s+5=0
Click here to see answer by lwsshak3(11628)

Question 464481: find the value of x if p+7=0,q-12=0 and x^2+px+q=0
Click here to see answer by richard1234(7193)

Question 464480: find the value of x if p+1=0 and x^2+px-6=0
Click here to see answer by jjordan95(63)

Question 463543: it costs a company $30 to produce 2 widgets,$118 to produce 4 widgets,$766 to produce 10 widgets.how much does it cost to produce 6 widgets?
Click here to see answer by lwsshak3(11628)

Question 463912: I would sincerely appreciate it if you could please help me solve this grade 11 math equation: 23/(x-1) + 3 - 70/(x^2-4x+3) = 0
I know that when (x^2-4x+3) is factored, it becomes (x-1)(x-3), and that I need to get rid of the denominator to solve the question, but I'm experiencing some difficulty finishing the question.
Click here to see answer by lwsshak3(11628)

Question 464479: find the vaalue of xif p+1=0 and x^2+px-6=0
Click here to see answer by lwsshak3(11628)

Question 463853: WHAT IS THE EQUATION OF THE QUADRATIC FUNCTION WITH ROOTS -8 AND -6"A"LESS THEN ZERO AND A VERTEX A (-7,2)
Click here to see answer by lwsshak3(11628)

Question 462493: In a suspension bridge the shape of the suspension cables is parabolic. The bridge shown in the figure has towers that are 600 m apart and the lowest point of the suspension cables is 150 m below the top of the towers. Find the equation of the parabolic part of the cables by placing the origin of the coordinate system at the vertex.
Click here to see answer by lwsshak3(11628)

Question 464593: Solve:

Click here to see answer by ewatrrr(24785)

Question 464596: 49y^2+112y-211=0 solve using the quadratic formula
Click here to see answer by ewatrrr(24785)

Question 464600: What steps do I take to find all the rational zero's of the function,
f(x)=10x^25+3x^17-35x+6?
So far I have found the factors of six. I have started to divide by 2, and these numbers look odd.
Thank you
Click here to see answer by stanbon(75887)

Question 464842: Please help me solve:
6a^2-ab-15b^2
Click here to see answer by amoresroy(361)

Question 464869: Hello. Can you help me answer the following?
"Find the vertex, the line of symmetry, and the maximum or and minimum value of f(x). Graph the function".
f(x)=1/5(x+9)^2+5
Thanks for your help!
Click here to see answer by stanbon(75887)

Question 464925: What is the factored form of 7x^2+ssx+42 using quadraatic formula
Click here to see answer by Edwin McCravy(20054)

Question 464963: solve for x: 6x^2=23x-15
Click here to see answer by Gogonati(855)

Question 464963: solve for x: 6x^2=23x-15
Click here to see answer by edjones(8007)

Question 465145: suppose you are an event coordinator for a large performance theater. One of the hottest new Broadway musicals has started to tour and your city is the first stop on the tour. You need to supply information about projected ticket sales to the box office manager. The box office manager uses this information to anticipate staffing needs until the tickets sell out. You provide the manager with a quadratic equation that models the expected number of ticket sales for each day x. (x=1 is the day tickets go on sale.
Tickets = -0.2x sqrt + 12x + 11
a does the graph of this equation open up or down? How did you determin this?
b. Describe what happens to the tickets sales as time passes.
c. use the quadratic equation to determin the last day that tickets will be sold.
Note. Write your answer in terms of the number of days after ticket sales begin.
d. Will tickets peak or be at a low during the middle of the sale? How do you know?
e. After how many days will the peak or low occur?
f.how many tickets will be sold on the day when the peak or low occurs?
g. what is the point of the vertex? How does this number relate to your answers in parts e and f?
h. how many solutions are there to the equation -0.2x sqrt + 12x 11=0? How do you know?
i. What do the solutios represent? Is there a solution that does not make sense? If so, in what ways does the solution not make sense?
Click here to see answer by ewatrrr(24785)

Question 465235: Hi, here's a question for you:

18x^2+5x-9=0
Click here to see answer by Ryan O(12)

Question 465235: Hi, here's a question for you:

18x^2+5x-9=0
Click here to see answer by richard1234(7193)

Question 465299: Find all the real solutions of the following equation as a quadratic equation.
6n^2/3 + n^1/3 - 15 = 0
Click here to see answer by lwsshak3(11628)

Question 465296: find the zeros of the quadratic function using the square root method h(x)=(x+6)^2-36
Click here to see answer by lwsshak3(11628)

Question 465431: For the following equation, state the value of the discriminant and then describe the nature of the solutions:
18x^2+5x-9=0
1. What is the value of the discriminant?
2. Are there two imaginary solutions?
3. Are there two real solutions?
4. Only one real solution?
Thanks for the help!
Click here to see answer by stanbon(75887)

Question 465444: How do you create a quadratic equation if you only have the solutions? I am really not getting the quadratic equation math at all. Example if I have theses two numbers, 8 and 4/5 as solutions to create a quadratice equation.
Click here to see answer by josmiceli(19441)

Question 465503: you are an event coordinator for a large performance theater. One of the hottest new Broadway musicals has started to tour and your city is the first stop on the tour. You need to supply information about projected ticket sales to the box office manager. The box office manager uses this information to anticipate staffing needs until the tickets sell out. You provide the manager with a quadratic equation that models the expected number of ticket sales for each day x. ( is the day tickets go on sale).

a. Does the graph of this equation open up or down? How did you determine this?

b. Describe what happens to the tickets sales as time passes.
c. Use the quadratic equation to determine the last day that tickets will be sold.
Note. Write your answer in terms of the number of days after ticket sales begin.

d. Will tickets peak or be at a low during the middle of the sale? How do you know?

e. After how many days will the peak or low occur?

f. How many tickets will be sold on the day when the peak or low occurs?

g. What is the point of the vertex? How does this number relate to your answers in parts e. and f?

h. How many solutions are there to the equation ? How do you know?

i. What do the solutions represent? Is there a solution that does not make sense? If so, in what ways does the solution not make sense?

Click here to see answer by richard1234(7193)

Question 465721: If two planes leave the same airport at 1:00 PM, how many miles apart will they be at 3:00 PM if one travels directly north at 150 mph and the other travels directly west at 200 mph?
Click here to see answer by ewatrrr(24785)

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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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