Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 938446: what is the positive difference between the number of doughnuts in 50 dozen and number of slices of pizza (8 slices per pizza) in 80 pizzas?
Click here to see answer by rothauserc(4718)

Question 938444: what is the difference between
6^2 * 6^2/6 and 6^2 + 6^2/6 ?
Click here to see answer by rothauserc(4718)

Question 938442: for what value of x does
1 + 2 + 3+4+...+x=120?
Click here to see answer by rothauserc(4718)

Question 938445: what is the least positive integer that has exactly 9 factors?
Click here to see answer by Fombitz(32388)

Question 938445: what is the least positive integer that has exactly 9 factors?
Click here to see answer by KMST(5328)

Question 938659: if one root is 3 then how to find equation?
if one root of quadratic equation is 5/3 then equation is
Click here to see answer by KMST(5328)

Question 938879: Can you please help me solve 5x squared+16x-20=0 by factoring? It's due tomorrow thank you.
Click here to see answer by ewatrrr(24785)

Question 938946: What is the slope of y=2x+9?
Click here to see answer by srinivas.g(540)

Question 939079: Solve for x over the complex numbers: y=x^3+4x^2; y=3x+18
thanks a bunch
Click here to see answer by Alan3354(69443)

Question 939079: Solve for x over the complex numbers: y=x^3+4x^2; y=3x+18
thanks a bunch
Click here to see answer by ewatrrr(24785)

Question 939084: what is ther standard form of y=16-x+3x.
at the end of three in my equation i wanted to say 3 squared to the second power ,but it wouldnt let me type it so can you do it.
Click here to see answer by ewatrrr(24785)

Question 939136: evaluate the function f(x) = x^2-19 for x = -5
f (-5) =
Click here to see answer by ewatrrr(24785)

Question 939137: evaluate the expression given that h(t)= 16-7t
h(4-n)= ?
Click here to see answer by ewatrrr(24785)

Question 939144: x2 + 12x − 1 = 0
x2 + 12x − 1 + 1 = 0 + 1
x2 + 12x = 1

Click here to see answer by Stitch(470)

Question 939181: QUADRATIC FUNCTIONS
Solve the equation for t
(t+2)^2=7
Click here to see answer by ewatrrr(24785)

Question 939188: Give an EXAMPLE of a QUADRATIC that has a MAXIMUM value. EXPLAIN HOW YOU KNOW IT HAS A MAXIMUM VALUE.?
??????? Please help :-)

Click here to see answer by richard1234(7193)

Question 939188: Give an EXAMPLE of a QUADRATIC that has a MAXIMUM value. EXPLAIN HOW YOU KNOW IT HAS A MAXIMUM VALUE.?
??????? Please help :-)

Click here to see answer by ewatrrr(24785)

Question 939194: What is the value of x in the equation: 4x^2+20x+25

Click here to see answer by ewatrrr(24785)

Question 939195: What is the complete factorization of 4x^2-16y^2

Click here to see answer by ewatrrr(24785)

Question 939217: Apples are 92 cents a pound, and pears are $1.22 a pound. If I spend $4 and the weight of the apples I buy is twice the weight of the pears, how many pounds of pears do I buy?
Round your answer to three decimal places.
Click here to see answer by TimothyLamb(4379)

Question 939218: Apples are 92 cents a pound, and pears are $1.22 a pound. If I spend $4 and the weight of the apples I buy is twice the weight of the pears, how many pounds of pears do I buy?
Round your answer to three decimal places.
Click here to see answer by TimothyLamb(4379)

Question 939222: solve the equation
(5/x-5)-(2/1-x)= 0
exact answer
x=?

Click here to see answer by Fombitz(32388)

Question 939222: solve the equation
(5/x-5)-(2/1-x)= 0
exact answer
x=?

Click here to see answer by lwsshak3(11628)

Question 939220: given f(t) = 2t+3, does the equation have no solution, one solution, or an infinate number of solutions?
f(t) + 1 = f(t+1)
Click here to see answer by TimothyLamb(4379)

Question 939220: given f(t) = 2t+3, does the equation have no solution, one solution, or an infinate number of solutions?
f(t) + 1 = f(t+1)
Click here to see answer by Fombitz(32388)

Question 939220: given f(t) = 2t+3, does the equation have no solution, one solution, or an infinate number of solutions?
f(t) + 1 = f(t+1)
Click here to see answer by josgarithmetic(39613)

Question 939215: given f(t)=2t+3, does the equation have no solution, one solution, or an infinite number of solutions?
f(t) + 1= f(t+1)
Click here to see answer by TimothyLamb(4379)

Question 939209: Solve the quadratic equation by extracting square roots. List both the exact solution and its approximation rounded to two decimal places. (Enter your answers as a comma-separated list.)
(x + 7)2 = 28
Click here to see answer by Fombitz(32388)

Question 939223: solve the equation
6t + 5(t-1)/3= 5
exact answer
t=?
Click here to see answer by TimothyLamb(4379)

Question 939214: Apples are 92 cents a pound, and pears are $1.22 a pound. If I spend $ 4 and the weight of the apples I buy is twice the weight of the pears, how many pounds of pears do I buy?
Round your answer to three decimal places.
Click here to see answer by TimothyLamb(4379)

Question 939205: write the expression below in the form x^n, assuming x does not equal 0.
x^10*x^5/x^3*x
enter the value for n
n=?
Click here to see answer by MathLover1(20849)

Question 939475: it says i have to complete the number patterns below but I don't understand.
28,21,16____
Click here to see answer by ewatrrr(24785)

Question 939490: Find the parabola that passes through points (3.5,10), (11,60), and (15,90)
Click here to see answer by MathLover1(20849)

Question 939288: Line m contains (6,8) and (-1,2). Line n contains (-1,5) and (5,y). What is the value of y if line m is perpendicular to line n?
Click here to see answer by lwsshak3(11628)

Question 939425: A circular fountain in a park includes a concrete wall that is 3 feet high and 2 feet thick. If the inner radius of the wall is x feet, write an algebraic expression in terms of x that represents the volume of the concrete used to construct the wall. Simplify the expression.
Click here to see answer by josgarithmetic(39613)

Question 939521: Problem
The difference quotient, D, is defined by the equation
equation: Distance equals the f of (x+h) minus f of (x) divided by height
Find D if f(x) = [3]x^ + [7]x + [6] and simplify your answer.
Click here to see answer by stanbon(75887)

Question 939556: Find an integer c such that the equation 4x^2+cx=9=0 has a double real root.
please help me with this problem thank you.
Click here to see answer by stanbon(75887)

Question 939556: Find an integer c such that the equation 4x^2+cx=9=0 has a double real root.
please help me with this problem thank you.
Click here to see answer by josgarithmetic(39613)

Question 939556: Find an integer c such that the equation 4x^2+cx=9=0 has a double real root.
please help me with this problem thank you.
Click here to see answer by MathLover1(20849)

Question 939556: Find an integer c such that the equation 4x^2+cx=9=0 has a double real root.
please help me with this problem thank you.
Click here to see answer by MathTherapy(10549)

Question 939564: Find the exact value of the sum of the reciprocal of the roots of the equation 3x^2-4x-5=0
Click here to see answer by josgarithmetic(39613)

Question 939564: Find the exact value of the sum of the reciprocal of the roots of the equation 3x^2-4x-5=0
Click here to see answer by MathTherapy(10549)

Question 939642: A baseball diamond is a square with an area of 8100 square feet. How far does a catcher have to throw the ball to throw the ball to throw out a runner who is trying to steal second base.

Click here to see answer by Danielshinmath(31)

Question 939641: A box is to be made from a sheet of cardboard 24 inches long and 18 inches wides by cutting squares from each corner and then folding be cut out of each corner if the bottom of the box is to have an area of 265 square inches.
Click here to see answer by Alan3354(69443)

Question 939735: Write the quadratic function in the form
f(x)=+a(x-h)^2+k
.
Then, give the vertex of its graph.
f(x)=−2x^2+12x-20

any help greatly appreciated.
Click here to see answer by lwsshak3(11628)

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