Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 40254: Write the function in the form Y= a(x-h)^2 +k
f(x)= -x^2 + 10x-8
Click here to see answer by Nate(3500)

Question 40255: Write the function in the form Y= a(x-h)^2 + k.
f(x)= 5x^2 - 10x - 3
Click here to see answer by Nate(3500)

Question 40286: I'm slowly getting this thanks to you. But just checking to be absolute can you give me a hand here again? You don't know how how much you help me in Algebra, I really appreciate it!
"Use the quadratic formula to solve the equation 1.34a^2-1.1a=-1.02"?
Click here to see answer by mbarugel(146)

Question 40290: Getting this slowly! But getting it thank God! Thank you for helping me lose my fear of Algebra. What would be your thoughts on this one?
"Solve 81x^3+36^2=-4x"?
Have a great day. Thanks again.
Click here to see answer by stanbon(75887)

Question 40256: Use the quadratic formula to solve the equation.
x^2 +7x+6=0
Click here to see answer by fractalier(6550)

Question 40303: I am having problems completing the square x^2-8x=10. Below is the steps that I have taken:
x^2-8x+16=10+16
x^2-8x =26
(x-4)^2=26
This is where I am completely lost.
Click here to see answer by fractalier(6550)

Question 40304: I am having major problems solving by completing the square 2x^2-6x=5. I have no idea where to begin
Click here to see answer by fractalier(6550)

Question 40200: Find the center of the circle.
x^2+y^2-4x-12y+30=0
Click here to see answer by fractalier(6550)

Question 40306: OK Here's the question, I went over it but can not see it through yet. Can you help step by step?
"Use the quadratic formula to solve the equation:24x^2-14x=6. Round your answer to the nearest hundreth. you must show your work with the quadratic formula."
Click here to see answer by stanbon(75887)

Question 40205: i need help with this equation n squared +n+1=0
Click here to see answer by fractalier(6550)

Question 40444: Find the axis of symmetry
y=-x^2-x-7
Click here to see answer by Nate(3500)

Question 40443: 3x^2=11x+4
Solve by using quadratic formula
Click here to see answer by Nate(3500)

Question 40442: x^2-19x+90=0
Solve by using quadratic formula
Click here to see answer by Nate(3500)

Question 40441: 2x^2-3x+6=0
Click here to see answer by Nate(3500)

Question 40445: -9(x-3)^2=-7
Click here to see answer by Nate(3500)

Question 40440: x^2=5x+2
Click here to see answer by Nate(3500)

Question 40361: The hypotinuse of a right triangle is 8cm long. One leg is 2 cm longer than the other. find the length of the longer leg to the nearest tenth.
Thank you

Click here to see answer by Nate(3500)

Question 40499: Could someone please help explain to me how to figue this problem?
h(x) = -3x^2
I need to state the domain and range of this quadratic function as well as its solution set in interval notation. Any ideas?
Click here to see answer by Nate(3500)

Question 40359: If the area of a room is 55 square feet, find the length and width of the room.
Can u show me how i would solve this please?
THANK YOU FOR YOUR TIME.
Click here to see answer by checkley71(8403)

Question 39596: looking desperately for the answer to this:
6x to the second power - 12x - 18 = ????
Please help... thank you, krista m pooler
Click here to see answer by Nate(3500)

Question 39596: looking desperately for the answer to this:
6x to the second power - 12x - 18 = ????
Please help... thank you, krista m pooler
Click here to see answer by ikdeep(226)

Question 40513: what is the easiest way of geetting use to equar=tions
Click here to see answer by checkley71(8403)

Question 40537: Find the x intercepts of y=x^2-4x+4
Click here to see answer by Nate(3500)

Question 40535: The demand and supply equations for a certain item are given by:
D=-5p+40
S=-p^2+30p-8
What is the equilibrium price?
Click here to see answer by Nate(3500)

Question 40536: A rectangular garden is to be surrounded by a walkway of constant width. The garden's dimensions are 30 ft. by 40 ft. the total area, garden plus walkway, is to be 1800 ft^2. What must the width of the walkway be to the nearest hundreth?
Click here to see answer by Nate(3500)

Question 40546: please help
what are the factors of ?
Click here to see answer by Nate(3500)

Question 40546: please help
what are the factors of ?
Click here to see answer by checkley71(8403)

Question 40545: please help
what are the factors of ?
Click here to see answer by Nate(3500)

Question 40544: please help
what are the factors of ?
Click here to see answer by checkley71(8403)

Question 40544: please help
what are the factors of ?
Click here to see answer by Nate(3500)

Question 40544: please help
what are the factors of ?
Click here to see answer by Earlsdon(6294)

Question 40543: please help
what are the factors of ?
Click here to see answer by Nate(3500)

Question 40547: please help
what are the binomial factors of ?
Click here to see answer by checkley71(8403)

Question 40547: please help
what are the binomial factors of ?
Click here to see answer by stanbon(75887)

Question 40548: please help
find the value or values of p in the quadratic equation
Click here to see answer by checkley71(8403)

Question 40555: please help
find the possible value or values of y in the quadratic equation ? PLEASE HELP
Click here to see answer by josmiceli(19441)

Question 40557: Two resistors,when connected in series,have a total resistance of 40 ohms.When connected in parallel their total resistance is 8.4 ohms.If one of the resistors has a resistance of Rx ohms:
(a) show that Rx^2-40Rx+336=0
&
(b)calculate the resistance of each.
answers ( 12 ohms,28 ohms)
Click here to see answer by josmiceli(19441)

Question 40549: please help
with the equation I know you have to rewrite it to get the proper form...but then the negative is in the front, so what would I do next?
Click here to see answer by stanbon(75887)

Question 40560: Carlos scored 15 more points than John in the baseball game. If the product if the two point totals is 154, how many points did each boy score?
Click here to see answer by stanbon(75887)

Question 40562: The length of a rectangle is 8 feet longer than its width which has the same dimentions as the sides of a square. If the area of a square is equal to 160 square feet more than the area of its square, what are the length and width of the rectangle?
Thank You.
Click here to see answer by stanbon(75887)

Question 40563: Two workers can trim 400 meters of hedge in 10 hours. how long will it take 5 workers to trim 600 meters of hedge?
______hours.
Thank You.
Click here to see answer by stanbon(75887)

Question 40561: The sum of two numbers is 25, and the difference of their squares is 75. What are the two numbers?
Click here to see answer by Paul(988)

Question 40666: steve traveled 600 miles at a certain speed. had he gone 20mph faster, the trip would have taken 1 hour less. Find the speed of his vehicle.
Click here to see answer by checkley71(8403)

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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, 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