Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 812491: solve for x
x^2 + 14x + 17=�96
Click here to see answer by josgarithmetic(39617)

Question 812491: solve for x
x^2 + 14x + 17=�96
Click here to see answer by richwmiller(17219)

Question 812501: I nee your help. How can the graph of g(x)=-(x-3)^2+12 be obtained from he graph of f(x)=x^2?
Click here to see answer by josgarithmetic(39617)

Question 812677: Can you help me with solving: The total cost of producing x units is C=60x=300, whereas the revenue brought in of selling x units is R=100x-0.5x^2
How many units need to be sold to maximize reveune? what is the maximum revenue?
Click here to see answer by stanbon(75887)

Question 812658: find the slope of the line tangent to the curve at x=0 for the general equation y=ax^2+bx+c
Click here to see answer by Alan3354(69443)

Question 812704: transform each equation of quadratic type into a quadratic equation in u and state the substitution used in the transformation. If the equation is not an equation of quadratic type, say so.
2x^-6 - 4x^-3 = 0
Click here to see answer by josgarithmetic(39617)

Question 812759: 3x^2-4x-8=-6
Click here to see answer by TimothyLamb(4379)

Question 812942: Solve
a) x^(1/2) - x^(1/4) - 2 = 0

Can you please help me out? Thanks so much in advance:)
Click here to see answer by jsmallt9(3758)

Question 813074: solve the following system of equations.
x+7y=9
x=4-7y
Click here to see answer by Alan3354(69443)

Question 813083: find the vertex and the equations of the line of symmetry.
f(x)=1/8x^2
Click here to see answer by stanbon(75887)

Question 813084: f(x)=(x-3)^2+7
Click here to see answer by Alan3354(69443)

Question 813084: f(x)=(x-3)^2+7
Click here to see answer by luke94(89)

Question 813062: Function:
-4x^2-8x+10
Determine whether the graph opens up or down. Find axis of symmetry, vertex, and the y-intercept. Graph the function.
Click here to see answer by Alan3354(69443)

Question 813081: write the quadratic equation having the given numbers as solutions
-4 and -2
Click here to see answer by richwmiller(17219)

Question 813081: write the quadratic equation having the given numbers as solutions
-4 and -2
Click here to see answer by Alan3354(69443)

Question 813199: A farmer has 3000 feet of wire to enclose a rectangular field. He plans to fence the entire area and then subdivide it by running a fence across the middle. Find the dimensions of the fields that would enclose the maximum area. What is the maximum area?
Can you please help me out? Thanks so much in advance:)
Click here to see answer by TimothyLamb(4379)

Question 813196: A farmer has 120 meters of fencing and wants to enclose a rectangular plot of land that requires fencing on only three sides , since it is bounded by a river on one side. Find the length and width of the plot that will maximize the area?
Can you please help me out? Thanks so much in advance:)
Click here to see answer by TimothyLamb(4379)

Question 813069: solve
2A+T=3T^2 for T
Click here to see answer by TimothyLamb(4379)

Question 812948: A farmer has 120 meters of fencing and wants to enclose a rectangular plot of land that requires fencing on only three sides since it is bounded by a river on one side. Find the length and width of the plot that will maximize the area?
Can you please help me out? Thanks so much in advance:)
Click here to see answer by TimothyLamb(4379)

Question 813382: Equation h(t)=-1/2(9.8)x^2+40x+2
When does the arrow almost instantaneously stop in the air? How high is the arrow at that time? What happens on the graph of this function to represent this situation?
When does the arrow strike the ground? Explain how you determine this value. What part of the parabola represent this situation? How could this be set up as an equation
Click here to see answer by richwmiller(17219)

Question 813329: A farmer has 3000 feet of wire to enclose a rectangular field. He plans to fence the entire area and then subdivide it by running a perpendicular fence across the middle. Find the dimensions of the field that would enclose the maximum area . What is the maximum area?
Can you please help me out? Thanks so much in advance:)
Click here to see answer by TimothyLamb(4379)

Question 813461: Solve using the quadratic formula:
15x=2x^2+16
Please Help!
Click here to see answer by MathLover1(20849)

Question 813459: The hypotenuse of a right triangle measures 10 cm. one of the other two sides is 2 m longer than the second. Find the unknown side lengths.
Click here to see answer by richwmiller(17219)

Question 813464: Determine the nature of the solutions of:
4x^2-3x+6=0
Need help solving!
Click here to see answer by TimothyLamb(4379)

Question 813474: (3/x)+(x/3)=(5/2)
How would I solve this??
Click here to see answer by TimothyLamb(4379)

Question 813474: (3/x)+(x/3)=(5/2)
How would I solve this??
Click here to see answer by MathTherapy(10551)

Question 813480: (3/x)+(x/3)=(5/2)
How would I solve this??
Click here to see answer by TimothyLamb(4379)

Question 813480: (3/x)+(x/3)=(5/2)
How would I solve this??
Click here to see answer by MathTherapy(10551)

Question 813463: Solve using the Quadratic Formumla:
2y^2-(y+2)(y-3)=12
Please and Thanks!
Click here to see answer by TimothyLamb(4379)

Question 813483: (x-6)(x-5)/(x-9)(x+1) < 0 Write your answer in set-builder notation
Click here to see answer by stanbon(75887)

Question 813086: without graphing, find the vertex and the maximum or minimum value of f(x).
f(x)=-5/7(x-7)^2+6
Click here to see answer by TimothyLamb(4379)

Question 813509: the length of a poster is 10cm longer than its width. if the area of the poster is 1200cm square, what is the width of the poster.
Click here to see answer by TimothyLamb(4379)

Question 813450: A gold club operator finds that she can sell 30 sets of golf clubs at $500 per set in a year. She predicts that for each $25 the decrease in price 3 extra sets of clubs could be sold. At what price should she sell the clubs to maximize the income?
Thanks so much in advance:)
Click here to see answer by lwsshak3(11628)

Question 813602: Hola buenos d�as
Me pueden ayudar a solucionar la siguiente ecuaci�n:
4x^2+8xy=4

Gracias y saludos
Click here to see answer by Alan3354(69443)

Question 813602: Hola buenos d�as
Me pueden ayudar a solucionar la siguiente ecuaci�n:
4x^2+8xy=4

Gracias y saludos
Click here to see answer by Edwin McCravy(20054)

Question 813667: a box has a square bottom and is 6cm tall. the total surface area is 378 cm^2. find the volume of the box.
Click here to see answer by richwmiller(17219)

Question 813664: how do i factorise the equation (p+q)^2 + 5(p+q)
Click here to see answer by Alan3354(69443)

Question 813693: For the quadratic function, find its vertex and line of symmetry, then graph the function.
y=4x^2-24x+38
Click here to see answer by TimothyLamb(4379)

Question 813693: For the quadratic function, find its vertex and line of symmetry, then graph the function.
y=4x^2-24x+38
Click here to see answer by richwmiller(17219)

Question 813727: 3x^2+1=x
Click here to see answer by tommyt3rd(5050)

Question 813861: is this the correct way of doing quadratic equation
x^2+x-6=0
(x+2)(x-3)
x+2=0 x-3=0
x=2 x=3

Click here to see answer by Alan3354(69443)

Question 813860: how can i understand quadratic equations? is there a simpler form?
Click here to see answer by ewatrrr(24785)

Question 813882: I have problems with factoring when it comes to quadratic equations, for example when you do
6x^2 + 7x =3
6x^2+3+7x=0
X^2+3+42x=0
Then you have to find factors of 42 in order to put it in the form of (x+_) (x+_)
I don't know what factors add up to 3 and multiply to 42
Click here to see answer by ewatrrr(24785)

Question 813958: Hypotenuse of a right triangle is 13 cm.
Sum of the two other sides is 17 cm.
Find the unknown side lengths.
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, 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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, 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