Questions on Algebra: Quadratic Equation answered by real tutors!

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Question 698684: Factor out the common factor of: 16x^5-12x^4+20x^3+12x^2
When I think I have it partly figured out I get confused.
Thank you!
Click here to see answer by Positive_EV(69)

Question 698880: How many x-intercepts exist for the graph of f(x) = (x+3)2 + 7?
Click here to see answer by jim_thompson5910(35256)

Question 698887: A rectangular dog pen is to be fenced with 28 m of fencing. What is the maximum area and the width of this rectangle?
Click here to see answer by Alan3354(69443)

Question 699020: how do you find the x-intercepts of the graph y=x^2-2x-3 ?
Click here to see answer by MathLover1(20849)

Question 699038: how do you find the y-intercept for the graph y=x^2-2x-3 ?
Click here to see answer by MathLover1(20849)

Question 699254: A ball is kicked upward with an initial velocity of 52 feet per second. The ball's height from the ground is modeled by h=-16t squared +52t where t is measured in seconds. How much time does the ball reach its highest point? what is the height at this point?
Click here to see answer by Alan3354(69443)

Question 699533:
I need steps and answer! Thanks!
Click here to see answer by ankor@dixie-net.com(22740)

Question 699533:
I need steps and answer! Thanks!
Click here to see answer by MathTherapy(10549)

Question 699771: (x-5)squared+12=0 how do I get it to the layout to pull the a b and c's out
Click here to see answer by stanbon(75887)

Question 700098: In which direction does the parabola for the quadratic equation y = -5x2 � 16x + 21 open?
Click here to see answer by reviewermath(1029)

Question 700057: A rock is thrown downwards at a rate of 144 feet per second from an initial height of 352. Write the quadratic function that represents this vertical motion. Graph the quadratic equation on the coordinate plane provided. Show all work. Help! I've tried everything!
Click here to see answer by ankor@dixie-net.com(22740)

Question 700487: what are the y intercepts of f(x)=x^2-2x-3?
Click here to see answer by MathLover1(20849)

Question 700678: n2=4n+21
Click here to see answer by lynnlo(4176)

Question 700763: instructions: solve the quadratic equation.
1.2x^2-3x-11=0
Click here to see answer by mananth(16946)

Question 700770: instructions: evaluate the discriminant of each equation. determine how many real solutions each equation has.
1. 16x^2-8x+1=0
Click here to see answer by stanbon(75887)

Question 700758: instructions: graph each quadratic function. name the axis of symmetry and the coordinates of the vertex.
1. y=-x^2+7x-2
Click here to see answer by stanbon(75887)

Question 700755: instructions: sketch a graph of the quadratic function with the given vertex and through the given point.then write the equation of the parabola in vertex form.
1. vertex(-3,-2);point(1,2)
Click here to see answer by lwsshak3(11628)

Question 700916: 6x^2-x-2=0 help!!!!
solve the following equations
Click here to see answer by checkley79(3341)

Question 700911:

5x^(2)+55x+150= an u show me the solution of this problem and the work and the answer to this question
Click here to see answer by checkley79(3341)

Question 700910: 4x^(2)-7x+3= can u show me the work for this problem and also the answer
Click here to see answer by checkley79(3341)

Question 700965: Find the whole number greater than 0 such that when 5 times the number is subtracted from its square, the result is 0.
Click here to see answer by Stitch(470)

Question 700974: Use the Quadratic Formula to solve the equation.
�x^2 + 7x = 8
Click here to see answer by MathLover1(20849)

Question 700974: Use the Quadratic Formula to solve the equation.
�x^2 + 7x = 8
Click here to see answer by josmiceli(19441)

Question 701047: what is the area under a curve with the equation y= negative 2x to the 2nd power + 6x + 36
Click here to see answer by Alan3354(69443)

Question 701152: 2+3*+4=0
Click here to see answer by checkley79(3341)

Question 701180: Complete the table using the given values of x and the equation -2x � y = 1. Show your work.
X Y
-1
0
1
2
3
4

Click here to see answer by Alan3354(69443)

Question 701180: Complete the table using the given values of x and the equation -2x � y = 1. Show your work.
X Y
-1
0
1
2
3
4

Click here to see answer by stanbon(75887)

Question 701375: An engineer is designing a parabolic arch. The arch must be 15 m high and 6 m wide at a height of 8 m. a) Determine the quadratic function b) what is the width of the arch at its base.
Click here to see answer by ankor@dixie-net.com(22740)

Question 701554: Solve by completing the square:
2x^2-8x+1=0
Click here to see answer by stanbon(75887)

Question 701387: can you show me step by step how to solve the following equation; (x+1)/(x^2+2x)-(x+4)/(x^2+x)=(-3)/(x^2+3x+2)
Click here to see answer by ankor@dixie-net.com(22740)

Question 701630: x^3+4x^2+7x+28=0
find possible rational roots:
find possible actual roots:
Click here to see answer by jim_thompson5910(35256)

Question 701633: x^3+4x^2+7x=28=0
find possible rational roots:
find possible actual roots:
please
Click here to see answer by jim_thompson5910(35256)

Question 701663: Hello,
I am a student who is in Grade 11 and in Mathematics Grade 11 Foundations. We are currently reading and studying algebra, factors, power, quadratics, binomials, algebra, and linear equations. Right now, we are studying factoring and powers.
This weekend, we got a big assignment on powers and factoring for math which is due on Monday and it is worth 80 marks. I got all of the answers right, but I am very stuck on the last question. I tried doing it and spent a lot of time on it, but I am still stuck, very confused, and I do not understand it. Could you please help me. Thank you.
Here is the question:
Factor each trinomial:
144x^2 - 64m^2

Please solve this question, and send the solved question to me on my email, which is a-m-m.m@hotmail.com once you have solved the question.
Thanks again for your time and help, I greatly appreciate it. Thank you.
Allen
Click here to see answer by mouk(232)

Question 701666: Hi,
could you please help me solve this question, thanks.
Factor each trinomial:
144x^2 - 64m^2
Click here to see answer by jim_thompson5910(35256)

Question 701666: Hi,
could you please help me solve this question, thanks.
Factor each trinomial:
144x^2 - 64m^2
Click here to see answer by mouk(232)

Question 701787: The product of two consecutive odd integer is 1 less than twice their sum. Find the integers.
Click here to see answer by CRandunu(8)

Question 701778: If a Triangle's height is 4 inches less than two times its base, and has an area of 120 square inches. What is the height of the triangle?
Click here to see answer by nerdybill(7384)

Question 701784: Find two negative consecutive integers whos product is 272.
Click here to see answer by KMST(5328)

Question 701864: Write an equation for the line parallel to y=-2x-5 that contains P(-8,4)
Click here to see answer by Stitch(470)

Question 702019: A toy glider is tossed into the air. Its height, h, in metres, after t seconds is modelled by h = 9t � 3t2. Find the maximum height the toy glider reaches. Show the steps of your solution.

Click here to see answer by nerdybill(7384)

Question 702137: 3a2b-3ab find ab-c

Click here to see answer by sofiyac(983)

Question 702144: Find all solutions of
sqrt(x+10)-(6/sqrt(x+10)=5
Click here to see answer by KMST(5328)

Question 702263: If is a root of the quadratic equation , show that
a) ,
b) .
I need steps.
Click here to see answer by lwsshak3(11628)

Question 702148: Find all solutions to the equation x+sqrt(x-2)=4
Click here to see answer by lwsshak3(11628)

Question 701752: Determine whether the given quadratic function has a maximum value or minimum... Then find the coordinates of the maximum or minimum point.
f(x)= x^2+2x-9

and

f(x)=-x^2-2x-6

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