Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 277647: WRITE (n-2)(3+(48/n))=48+22 in the standard form of a quadratic equation:
Click here to see answer by stanbon(75887)

Question 277681: Two cars leave an intersection. One car travels north; the other travels east.
When the car traveling north had gone 24 miles, the distance between the cars
was four miles more than three times the distance traveled by the car heading
east. Find the distance between the cars at that time.
Click here to see answer by mananth(16946)

Question 277834: Quadratic functions
I'm confused on how to set up and solve this problem. Among all pairs of numbers with a sum of 205, find the pair whose product is maximum.
Click here to see answer by checkley77(12844)

Question 277827: Can anyone help with the following problem?
g(x)=2x^2+6x+8
Click here to see answer by Alan3354(69443)

Question 277828: Can someone explain this problem on finding the vertex?
f(x)=-2-6x+3
Click here to see answer by Alan3354(69443)

Question 277823: Can someone help with finding the vertex in the folowing problem?
f(x)=x^2-7x+12
Click here to see answer by Alan3354(69443)

Question 277825: Can someone help with finding the vertex in this problem?
g(x) = x^2+4x+6
___
2

Click here to see answer by Alan3354(69443)

Question 277858: A jazz group on tour has been drawing average crowds of 500 persons. It is projected that for every $1 increase in the $12 ticket price, the average attendance will decrease by 50. At what ticket price will nightly receipts be $5600?

Click here to see answer by richwmiller(17219)

Question 277874: x^3+2x^2-3x=0
Click here to see answer by richwmiller(17219)

Question 277936: 2. You are trying to decide how to most efficiently use your oven. You do not want the oven running at a high temperature when you are not baking, but you also do not want to waste a lot of time waiting for the oven to reach the desired baking temperature.
The instruction manual on the industrial oven suggests the oven temperature will increase by 45 degrees Fahrenheit per minute. When the oven is initially turned on, the temperature is 70 degrees Fahrenheit. What will the temperature of the oven be after 7 minutes? Write an expression and explain how you arrived at your answer.

Click here to see answer by Theo(13342)

Question 278017: how do i factor 4x squared minus 81y squared
Click here to see answer by richwmiller(17219)

Question 278222: Solve By Factoring
1. 8x---Squared(2) - 2x = 0
Click here to see answer by jim_thompson5910(35256)

Question 278233: Solve by Factoring:
4y^2---(Squared)-11y=3
Click here to see answer by jim_thompson5910(35256)

Question 278242: Solve by Factoring:
m(m-6)=27

Click here to see answer by jim_thompson5910(35256)

Question 278244: Solve by Factoring:
2r^2(Squared)+6r-80=0
I have 2(r^2+3r-40)=0....so far, is that right.?

Click here to see answer by jim_thompson5910(35256)

Question 278254: hmm..ok.
I got,
2(r^2+3r-40)=0
2(r-5) (r+8)=0
r-5= 0 r+8= 0
+5 +5 -8 -8
r=5 r=-8....? Is that good
Click here to see answer by jim_thompson5910(35256)

Question 278347: Pls. help me to solve this equation: Find the vertex of
Click here to see answer by Theo(13342)

Question 278346: Pls. help me to solve this equation: Find the vertex of
Click here to see answer by Edwin McCravy(20054)

Question 278373: p=q2+5q+2 find the value of q corresponding to p=-2
Click here to see answer by jim_thompson5910(35256)

Question 278411: A picture frame is 22 cm by 15 cm. If 198 cm squared of picture shows, find the width of the frame. Assume the frame is even on all sides.
Click here to see answer by richwmiller(17219)

Question 278475: factor the quadratic expression y^2-8y+6
Click here to see answer by jim_thompson5910(35256)

Question 277692: Is it possible for a quadratic equation to have only one solution? Explain with an example.
Click here to see answer by Anthea Lawn(22)

Question 278637: If the area of a rectangle is 330m squared and one side of the rectangle is 7m longer than the other side, what are the dimensions of the rectangle?
Click here to see answer by nyc_function(2741)

Question 278698: the rate, given that the distance is 200 feet and the time is x+3 seconds

Click here to see answer by stanbon(75887)

Question 278737: This question deals with solving a fractional equation that is reductible to a quadratic equation. The question reads: 2/y+1 + 1/y-1 = 1
Click here to see answer by mananth(16946)

Question 278740: This question deals with solving quadratic equations by completing the square. The question wants me to approximate the solution to the nearest thousanth. The question reads: t^2-4t=7, I believe the next step is to multiply each side by 1/2 but not sure if that is right or what to do after that. ANy help is much appreciated, Thanks
Click here to see answer by solver91311(24713)

Question 278774: If an object is given an initial velocity of v0 feet per second from a height of S0 feet, then its height S after t seconds is given by the formula S = -16t2 +v0t + S0. A rock is thrown into the air at 26 feet per second from a height of 13 feet. How long does it take to reach the earth?
Click here to see answer by vleith(2983)

Question 278775: (x � 5)^2 = 3
Click here to see answer by Grinnell(63)

Question 278851: Can someone help me please?
How do I figure out how many solutions there are to this equation?
x2 + 4x + 4 = 0
Click here to see answer by richwmiller(17219)

Question 278853: Please help me.
Find the discriminant for the following quadratic equation and use it to determine the number of roots or real solutions it has.
x2 + 3x + 15 = 0
Click here to see answer by richwmiller(17219)

Question 278845: Can I have some help with this one please?
y = x2 - 2x - 15
I have to find all these for the equation:
a.The y-intercept
b.The x-intercepts if possible
c.The vertex
d. The line of symmetry
Click here to see answer by richwmiller(17219)

Question 278861: Solve the quadratic equation 6x^z - 11x - 7 = 0
Click here to see answer by scott8148(6628)

Question 278729: This question deals with solving the quadratic equation by completing the square. Here is the question: x^2=2x-17 Not exactly sure what do to to complete the square. Any help is much appreciated. Thanks
Click here to see answer by scott8148(6628)

Question 278733: This question deals with solving the quadratic equation by using the quadratic formula. The question is x^2=18-7X. I know the formula is ax^2+bx+c=0, A does not equal 0. I've looked at the formula, but have no idea how exactly to use it. ANy help would be much appreciated. Thanks.
Click here to see answer by scott8148(6628)

Question 278872: j/8+8=11
Click here to see answer by richwmiller(17219)

Question 278735: This question deals with solving Equations that are reducible to Quadratic Equations section: The question wants me to solve an equation that is quadratic in form. The question is y^4-5y^2+4=0, I think next step is to make (y^2)^2-5(y^2)+4=0, not sure what to do next
Click here to see answer by scott8148(6628)

Question 278943: Is it possible for a quadratic equation to have 0 solutions? 1 solution? 2 solutions? More than 2 solutions?
How can you tell algebraically AND graphically how many solutions a quadratic equation has?

Click here to see answer by richwmiller(17219)

Question 278889: I have to complete the square: r^2+8r+72=0
Click here to see answer by edjones(8007)

Question 278949: please help me solve this 5n(squared+2n+6=0
Click here to see answer by richwmiller(17219)

Question 278906: How do i solve x^2+6x+13=0 by using the quadratic formula?

Click here to see answer by checkley77(12844)

Question 278966: 0=10x squared - 50x
please help me solve this
Click here to see answer by checkley77(12844)

Question 279008: Solve the following equation for x by using the quadratic formula
8x^2+9x+2=0
Click here to see answer by Edwin McCravy(20054)

Question 279107: 64a^2-25=0 solve the solution set
Click here to see answer by Grinnell(63)

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