Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 662072: x^2-16/2x^2+4x multiply x^2+9x+14/x^2+2x-8 divide x^2+3x-28/16x-8x^2
Click here to see answer by ReadingBoosters(3246)

Question 662072: x^2-16/2x^2+4x multiply x^2+9x+14/x^2+2x-8 divide x^2+3x-28/16x-8x^2
Click here to see answer by MathTherapy(10552)

Question 662199: 4/3x^2 - 2x + 3/4 = 0
I have to use the discriminant to determine the number of solutions of the quadratic equation, and whether the solutions are real or complex. Note: It is not necessary to find the roots; just determine the number and types of solutions. What I need help with is it real or complex?
Click here to see answer by ewatrrr(24785)

Question 662243: 1/x^2+8/x+15=0
Click here to see answer by ewatrrr(24785)

Question 662346: write a quadratic equation in standard form that has two solutions, -7 and -5
Click here to see answer by josmiceli(19441)

Question 662434: The area of an equilateral triangle is 20 square meters. One of its sides is 10 meters long. What are the maximum dimensions of the triangle?
Click here to see answer by Alan3354(69443)

Question 662510: simplify 1/y-1-
2/y+1 showing all workings

Click here to see answer by MathLover1(20849)

Question 662568: f(x) =| x-1|
Click here to see answer by stanbon(75887)

Question 663064: (−9x3 + 3x2 − 15x) � (−3x)
Click here to see answer by ReadingBoosters(3246)

Question 663045: how do you solve the equation n/20=3/260?
Click here to see answer by ReadingBoosters(3246)

Question 663124: one factor of 18x^2-29x-40 is 2x-5. what is the other factor?

Click here to see answer by Edwin McCravy(20055)

Question 663123: one factor of 18x^2-29x-40 is 2x-5. what is the other factor?

Click here to see answer by checkley79(3341)

Question 663175: X^2=16^x
Click here to see answer by lynnlo(4176)

Question 663117: does the discriminant b^2-4ac hold through for all quadratic equation
Click here to see answer by lynnlo(4176)

Question 663199: how do you solve the following equation?
(x+7)^2-16=0
Click here to see answer by lynnlo(4176)

Question 663267: The seating capacity of a hockey arena is 18,000. With the ticket price set at $100, attendance at recent games has been 12,000. A market survey indicates that for every dollar the ticket price is lowered, the average attendance will increase by 130.
Write a quadratic formula to indicate this change.
Click here to see answer by lwsshak3(11628)

Question 663516: y = x^2 + (m+5)x+(5m+1) a perfect square trinomial.
Click here to see answer by ReadingBoosters(3246)

Question 663612: simplify (4m-11n)/12m
Click here to see answer by ReadingBoosters(3246)

Question 663709: 2x + 3/4x + 3 + 3x + 5/4x - 2 =2

Click here to see answer by ewatrrr(24785)

Question 663973: 5x^2 + 16x + 12 = 0
Click here to see answer by jim_thompson5910(35256)

Question 663981: Write the quadratic function (f) in the form of f(x). We are working on this formula if this helps. f(x) = a(x-h)squared + k
1. f(x) = 2x squared + 6x + 5
2. f(x) = 2x squared - 4x
3. f(x) = -4x squared + 4x - 1
4. f(x) = 1/2x squared + 2x + 4
5. f(x) = 3x squared + 12x +14
Click here to see answer by solver91311(24713)

Question 663983: The wdith of a rectangle is 12 feet. The length is (3x + 5) feet. Express as an integer the minimum length of the rectangle if the area is greater than 276 ft ^2
Click here to see answer by ReadingBoosters(3246)

Question 664042: 8n^2-4n=18
I am really confused :(
Click here to see answer by jim_thompson5910(35256)

Question 664184: x^4-9x^2+20 Can you please help me solve this quadratic equation
Click here to see answer by Alan3354(69443)

Question 664184: x^4-9x^2+20 Can you please help me solve this quadratic equation
Click here to see answer by ReadingBoosters(3246)

Question 664215: -4x^2-9x-6=0 please help me solve this quadratic equation
Click here to see answer by mananth(16946)

Question 664289: How to solve x^2+2+1 using Completing the squares method?
Click here to see answer by ReadingBoosters(3246)

Question 664293: Given that the equation where k is a positive constant and has equal roots. Find the value of k.
Click here to see answer by lynnlo(4176)

Question 664293: Given that the equation where k is a positive constant and has equal roots. Find the value of k.
Click here to see answer by vleith(2983)

Question 664207: 7+3z^2=4z please help me determine he nature of the solution of this equaion would it be one real, two nonreal or two real???
Click here to see answer by ankor@dixie-net.com(22740)

Question 664373: При каких значениях а и b уравнение ax+5=7x+b не имеет решения
Click here to see answer by lynnlo(4176)

Question 664373: При каких значениях а и b уравнение ax+5=7x+b не имеет решения
Click here to see answer by Alan3354(69443)

Question 664409: What are the solutions of the quadratic equation?
2x^2 � 16x + 32
What I have so far is:
2x^2 -16 +32
ac
2(32)
64
2x^2 -16 +32
2x^2 -8x -8x +32
x(2x-8) +4(-2x+8)
(x?)(2x?)
Can you help me figure out the last part, and show me how you got that? Also if I did something wrong along the way can you show me how to fix that?
Click here to see answer by ReadingBoosters(3246)

Question 664579: y^2=4=44
Click here to see answer by Alan3354(69443)

Question 664883: why can't we solve each and every problem by quadratic formula???why we need to use factorizing method or completing square method????we have formula then why we need to study completing square method????
Click here to see answer by mananth(16946)

Question 664829: 4x^2+1=-2x+2
Click here to see answer by ewatrrr(24785)

Question 664970: 3x^2-10x+6=0
Click here to see answer by vleith(2983)

Question 665031: Use the quadratic formula to find exact solution:
3x squared plus 6 equals 10x
Click here to see answer by vleith(2983)

Question 665531: what is the square root of -6?
Click here to see answer by lynnlo(4176)

Question 665531: what is the square root of -6?
Click here to see answer by MathTherapy(10552)

Question 665571: Solve. t^2+3=6t I am so confused on how to do this problem! please help!
Click here to see answer by ewatrrr(24785)

Question 665758: I am having trouble solving this equation: (x+5)(x-4)=4. It is a multiple choice question and the answer I got is not one of the options.
Click here to see answer by lynnlo(4176)

Question 665789: if b=o in quadratic equation then is it quadratic equation?
Click here to see answer by mananth(16946)

Question 665789: if b=o in quadratic equation then is it quadratic equation?
Click here to see answer by MathLover1(20849)

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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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, 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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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