Questions on Algebra: Quadratic Equation answered by real tutors!

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Question 272459: write a quadratic equation with integral coefficients and roots equal to 2/3 and -1/2
Click here to see answer by oberobic(2304) About Me 

Question 272468: Solve for x.
3x^2= -17x-10

Click here to see answer by dabanfield(803) About Me 

Question 272571: Find the roots of the quadratic equation x2 − 18x + 18 = 0 .
Click here to see answer by oberobic(2304) About Me 

Question 272711: If k is the constant in the expression x^2 – x + k and the expression has a
value of 0 when 3 is substituted for x, what is the value of the expression when 2 is substituted for x?
(A) -4 (B) -2 (C) 6 (D) 8 (E) Cannot be found.

Click here to see answer by stanbon(75887) About Me 

Question 272837: what is the quadriatic factor of : 108x^2-75

Click here to see answer by scott8148(6628) About Me 

Question 272913: solve by using the quadratic formula
x2+5x-36=0

Click here to see answer by checkley77(12844) About Me 
Question 272913: solve by using the quadratic formula
x2+5x-36=0

Click here to see answer by lavleen(1) About Me 

Question 272938: Please help me solve this equation: y=x%5E2-4
I need to find the x intercept and the y intercept and also the vertex. I am struggling mostly with finding the x intercept.

Click here to see answer by stanbon(75887) About Me 

Question 272909: solve by using the quadratic formula
x2-4x-8=0

Click here to see answer by bobdabuildr(27) About Me 

Question 272996: 9.3 / 10^5
Click here to see answer by persian52(161) About Me 

Question 273005: How do I find a root of the equation 2x^2-x-15=0
ALSO
How do I find the x coordinate of the vertex for the quadratic equation x^2+6x+5=0


Thanks(:

Click here to see answer by stanbon(75887) About Me 
Question 273005: How do I find a root of the equation 2x^2-x-15=0
ALSO
How do I find the x coordinate of the vertex for the quadratic equation x^2+6x+5=0


Thanks(:

Click here to see answer by dabanfield(803) About Me 

Question 272940: Please help me solve this equation: y=-3x%5E2-6x-5
I need to find the x intercept and the y intercept and the vertex.

Click here to see answer by persian52(161) About Me 

Question 273018: What is the standard form of an quadratic formula? thanks
Click here to see answer by persian52(161) About Me 

Question 273019: i need to write a 10 page illustrated childrens book that explains how to solve a quadratic equation by factoring

Click here to see answer by persian52(161) About Me 

Question 273052: What are the factores of this equation. I think I know the answer but I want to make sure I am doing this right.
4b^2 -16

Click here to see answer by Edwin McCravy(20054) About Me 

Question 273056: what are the factors of this equation
m^2 -14m +48

Click here to see answer by stanbon(75887) About Me 

Question 273064: p^2 +13p -30 =0
Click here to see answer by stanbon(75887) About Me 
Question 273064: p^2 +13p -30 =0
Click here to see answer by Alan3354(69443) About Me 

Question 273062: what are the two binomial factors of
6s^2 +40s -64

Click here to see answer by stanbon(75887) About Me 

Question 273059: what are the factors.
t^4 -81

Click here to see answer by persian52(161) About Me 

Question 273093: write an equation in standard form of the quadratic function that has a vertex (3,4) and whose graph passes through the poing (-1,-6)
Click here to see answer by solver91311(24713) About Me 

Question 273231: Is theI tried solving this problem: p^2 + 8p + 16 = 0 using the quadratic formula and got -4 for the answer. My teacher mark the problem wrong. Can you help me solve it
Click here to see answer by CharlesG2(834) About Me 

Question 273268: Can someone please help me with this problem?
Multiply: 3y^2+13y+14 divided by y^2+3y+2 * 2y^2-3y-2 divided by 3y^2+22y+35

This is what I came up with. Is this correct?
(y+2)(3y+7)divided by (y+2)(y+1) * (y-2)(2y+1) divided by (3y+7)(y+5) equals to (y-2)(2y+1) divided by (y+1)(y+5)

Click here to see answer by stanbon(75887) About Me 

Question 273257: Please help me solve this equation: +x%5E2-2x-3=0+.
& HOW DID YHU SOLVE IT I DONT UNDERSTAND AT ALL ! :(

Click here to see answer by jim_thompson5910(35256) About Me 

Question 273284: Solve the equation and check your solutions.
(x-1)(x^2+10x+24)=0
This is what I have tried
x-1=0
x=1
x^2+10x+24=0
x^2 +10x-6-4

Click here to see answer by jim_thompson5910(35256) About Me 

Question 273334: I need to know the answer and how you found the answer of 5x-3=4 and 2x+8=14-x
Click here to see answer by stanbon(75887) About Me 

Question 273326: 2x^2-9x+9=0
Click here to see answer by jim_thompson5910(35256) About Me 

Question 273349: Analyzing the motion of a projectile. A projectile is fired from a cliff 200 feet above the water at an inclination of 45 degrees to the horizontal, with a muzzle velocity of 50 feet per second. The height h of the projectile above the water is given by
h (x)= -32 x^2/ (50)^2 + x+ 200
When the height of the projectile is 100 feet above the water, how far is it from the cliff?

Click here to see answer by Alan3354(69443) About Me 

Question 273618: A rectangle has length 6cm greater than its width. Find its width given that its area is 91cm^2
Click here to see answer by bobdabuildr(27) About Me 

Question 273660: Solve using the quadratic formula. Approximate answers to the nearest tenth. x2+3x+2=0
Click here to see answer by richwmiller(17219) About Me 

Question 273701: Place the equation in standard form of an quadratic equation
6+4/x-1=5/x-3

Click here to see answer by solver91311(24713) About Me 

Question 273743: The equation is c^2-5c = 0. I've tried to solve using c^2-5c+0 and by factoring out the "c" using c-5=0, but can't seem to get the correct answer. Thanks for your help!!
Click here to see answer by jim_thompson5910(35256) About Me 
Question 273743: The equation is c^2-5c = 0. I've tried to solve using c^2-5c+0 and by factoring out the "c" using c-5=0, but can't seem to get the correct answer. Thanks for your help!!
Click here to see answer by solver91311(24713) About Me 

Question 273827: 5x^2-32x-21=0
Click here to see answer by jim_thompson5910(35256) About Me 

Question 273826: 4x^2-15x+9=0
Click here to see answer by jim_thompson5910(35256) About Me 

Question 273915: 18x-16 =0:
Click here to see answer by reddrosa(2) About Me 

Question 273955: please help me solve this word problem: two pipes working together drain a water holding tank in 6 hours. if used alone to empty the tank, one takes 2 hours longer than the other. how long does each take to empty the tank if used alone?
Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 273993: If f%28x%29=4x%5E2%2B7x%2B2
Find the following:
f(x)<0


f(x)>0

Click here to see answer by edjones(8007) About Me 

Question 270064: Solve the equation for x. 5x - 3 = 4 - 3x
Click here to see answer by richwmiller(17219) About Me 

Question 270067: Combine like terms where possible. 8y^4 - 3y^4
Click here to see answer by richwmiller(17219) About Me 

Question 274057: Please solve x2+7x-2=0. Not sure if I got the right answer.
Click here to see answer by Theo(13342) About Me 

Question 274157: 9x+9y=27
Click here to see answer by Alan3354(69443) About Me 

Question 274209: Solve by completing the square.
3x^2-3x-6=0

Click here to see answer by edjones(8007) About Me 

Question 274236: Find the discriminant of this equation
8x2+5x+6=0

Click here to see answer by checkley77(12844) About Me 

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