Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 904912: Please help me with this!
12x^2-5x-7=0, using completing the square.
Thank you!
Click here to see answer by josmiceli(19441)

Question 904895: 4/x^4+4/x^4

Click here to see answer by Fombitz(32388)

Question 905063: 2x^2-3=0
Click here to see answer by jim_thompson5910(35256)

Question 905144: Hello what is the vertex of and
thank you so much i am happy there are people like you guys out there
Click here to see answer by jim_thompson5910(35256)

Question 905187: hello what would the graph using transformations be thaks soooooo much
Click here to see answer by Math_Boss(45)

Question 905225: what is the graph of using transformations ?? thanks for all your help your amazing
Click here to see answer by Math_Boss(45)

Question 905409: X^2+x+1=0
Click here to see answer by harpazo(655)

Question 905413: A BOTTLE has a capacity thrice as a mug.If 3600 ml of water can fill 2 such bottles and 3 mugs,how much more water can a bottle hold than a mug?

Click here to see answer by ewatrrr(24785)

Question 596063: Please help me solve the problem:
12c^2+8c+1=0
Click here to see answer by ni.rahlan(1)

Question 905666: h=-16x^2+100x+29 . how long after the rocket is launched it will hit the ground.

Click here to see answer by Alan3354(69443)

Question 906355: Ahmed has half a treasure map, which indicates that the treasure is buried in the desert 2x + 6 paces from Castle Rock. Vanessa has the other half of the map, Her half indicates that to find the treasure on must get to Castle Rock, walk x paces to the north, and then walk 2x + 4paces east. With the shared information what is x. Now draw a diagram which includes the location of Castle Rock and the dimensions of a triangle with the given number of paces.
Demonstrate the solution to this problem
Click here to see answer by richwmiller(17219)

Question 906625: A pilot is testing a new experimental craft. The cruising speed is classified information. In a test the jet traveled 5,400 miles. The pilot revealed that if he had increased his speed 900 mph, the total trip would have taken 1 hour less. Determine the cruising speed of the jet.
Click here to see answer by richwmiller(17219)

Question 906632: A pilot is testing a new experimental craft. The cruising speed is classified information. In a test the jet traveled 4,000 miles. The pilot revealed that if he had increased his speed 200 mph, the total trip would have taken 1 hour less. Determine the cruising speed of the jet.
Click here to see answer by richwmiller(17219)

Question 906877: Could you help mee with my math investigatory project regarding the topic about quadratic equation? I dont know how to do it.
Click here to see answer by Theo(13342)

Question 907061: Find the zeroes of the following polynomial functions, and state the multiplicity of each. Does the graph cross or touch the x-axis at the zero?
f(x) = (x + 4) 3 (x � 1)

Click here to see answer by MathLover1(20849)

Question 907253: A long distance runner starts at the beginning of a trail and runs at a rate of
4 miles per hour. Three hours later, a cyclist starts at the beginning of the trail and travels at a rate of
19 miles per hour. What is the amount of time that the cyclist travels before overtaking the runner?
Do not do any rounding.
Click here to see answer by richwmiller(17219)

Question 907417: write6=log264 in its equivalent exponential form
Click here to see answer by solver91311(24713)

Question 907608: the parabola y=ax2+k passes through the points (-1,3) and (3,-13). find the values of a and k
Click here to see answer by reviewermath(1029)

Question 907888: If (-3,4) is the vertex of the curve of the the function f , -5 is one of the roots of the equation of (x)=0 , then the other root is??
Click here to see answer by Fombitz(32388)

Question 907980: what is the value of x. x+(x-26)
Click here to see answer by ewatrrr(24785)

Question 907984: what is the value of x. 2x-26=180

Click here to see answer by jim_thompson5910(35256)

Question 908165: x and y are points on sides pq and pr of a triangle pqr. if pq=2 cm xq=4 cm, and xy is parallel to qr prove that 3xy=qr
Click here to see answer by Edwin McCravy(20054)

Question 908142: (2x-1)(x+1)
Click here to see answer by Fombitz(32388)

Question 907983: What is the value of the function..
f (x) = 2x + 5. When x= -1
Click here to see answer by Fombitz(32388)

Question 908413: Need to use Zero Product Property.Help is appreciated.Thanks in advance ^^
f(x)=x^2-7x+10

Click here to see answer by richwmiller(17219)

Question 908440: How could you use the x-intercepts to find the coordinates of the vertex, the x intercepts are -3 and -1. I know x=-1 for the vertex which I found when y=0 in the table of values. I don't know how to find what y equals in the vertex I already know it equals -8 by graphing. (Quadratic relations of the Form y=a(x-r)(x-s))
Click here to see answer by richwmiller(17219)

Question 908462: A simple syrup used for ice cream toppings requires 2 cups of sugar and 2/3 cup of boiling water. How many cups of sugar are required for 2 cups of boiling water?
Please show a step by step process.
Click here to see answer by josmiceli(19441)

Question 908464: The cost of dinner for a party of eight people is $139.50. For large groups of people an 18% gratuity is added to the cost of the dinner, after a 6% sales tax. Find the total bill for the dinner.
What does this question mean?
Please show a step by step process.
Click here to see answer by rfer(16322)

Question 908459: A contractor wants to use 34 feet of molding, cut into three pieces, to trim the sides and the top of a garage door. The long piece is 1.5 feet longer than three times the length of each shorter piece. Find the length of each piece.
Please show a step by step process.
Click here to see answer by rfer(16322)

Question 908461: A jewelery maker pproduces necklaces that sell for $85 each. The jewelery maker's costs include $35 in materials for each necklace plus fixed costs of $1650. How many necklaces must the jeweler sell to break even?
What does the question mean?
Please show a step by step process.
Click here to see answer by richwmiller(17219)

Question 908513: 19x + 8 = 7x � 40
Click here to see answer by jim_thompson5910(35256)

Question 908607: there is a two digit no. Such that sum of its digit is 6 while the product of digits is 1/3 the original number. find this number
Click here to see answer by ewatrrr(24785)

Question 908625: The height of the graph f(x) = x(x - 4)8 - 3(x - 4)9, is negative when x is greater than what number? Give your answer to the nearest hundredth.
Click here to see answer by Fombitz(32388)

Question 908587: The equation of the Parabola C is y=-2x��2 5x. the equation of the line is Y-4x 1=0. find the line of symmetry and the vertex of C
Thank you for your help and may god bless you��re world.
Click here to see answer by Fombitz(32388)

Question 908604: the altitude of a triangle is 6 cm greater than its base. If its area is 108 cm^ find base
Click here to see answer by josgarithmetic(39613)

Question 908745: Square root 3 - square root 7 / square root 3 + square root 7. rationalise the denominator
Click here to see answer by Alan3354(69443)

Question 908875: 1.)Are the lines a 5x+3y=7 and 3x-5y=8 parallel,perpendicular or neither?
Click here to see answer by josgarithmetic(39613)

Question 908875: 1.)Are the lines a 5x+3y=7 and 3x-5y=8 parallel,perpendicular or neither?
Click here to see answer by richwmiller(17219)

Question 908884: Find all real solutions of the quadratic equation. (Enter your answers as a comma-separated list. If there is no real solution, enter NO REAL SOLUTION.)
x2 − 12x + 4 = 0
Click here to see answer by josgarithmetic(39613)

Question 909043: There are two positive integers c for which the equation 5x^2+11x+c=0 has rational solutions. What is the product of those two values of c?
Click here to see answer by Theo(13342)

Question 909120: For what value of m does the equation (x
+4)(x+1)=m+2x have exactly one real solution? Express your answer as a common fraction. Thank you!
Click here to see answer by clearblueskai(22)

Question 909131: The line y=3 intersects the graph of y=4x^2+x-1 at the points A and B. The distance between A and B can be written as squareroot m /n, where m and n are positive integers that do not share any factors than one. Find the value of m-n. Thank you!
Click here to see answer by josgarithmetic(39613)

Question 909147: Please help me solve this equation:
Click here to see answer by josgarithmetic(39613)

Question 909255: write an equation for a quadratic given the following:
x-intercepts are (2,0) and (5,0) and y-intercept is (0,6)
I know that it means I have (x-2) and (x-5) for my equation. I multiplied them to get x^2 - 7x + 35. I'm not sure how to incorporate the y-intercept.
Do I put the equation equal to 6 and solve?
6= x^2 - 7x + 35
Is my answer x^2 - 7x -29?
Click here to see answer by Alan3354(69443)

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