Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 195245: Including:
a) ALL X INTERCEPTS ARE CORRECT AND LABELED TO THREE DECIMAL PLACES
b) ALL Y INTERCEPTS ARE LABELED
c) The COORDINATES OF the MAXIMUM OR MINIMUM value are labeled
d) Graph y= -x^2+4x+1.
Click here to see answer by solver91311(24713)

Question 195244: LIST SEPARATELY, if possible, two NEGATIVE INTEGERS such that one is double the other and their product is 98.

Click here to see answer by windsolace(8)

Question 195300: What is the solution of the equation 2xsquared + 8x -25=5?.Can anyone help me. I will really appreciate your help. Thanks.
Click here to see answer by josmiceli(19441)

Question 195300: What is the solution of the equation 2xsquared + 8x -25=5?.Can anyone help me. I will really appreciate your help. Thanks.
Click here to see answer by dkala99(12)

Question 195331: how do i factorize a negative quadratic equation
-3x^2+13+10
Click here to see answer by Mathtut(3670)

Question 195382: Apply the quadratic formula to find the roots of the given function, and then graph the function.
f(x) = x^2 - 4
Thank you!
Click here to see answer by Mathtut(3670)

Question 195441: solve x^2+18=9x by completing the square.
Click here to see answer by nerdybill(7384)

Question 195438: two consecutive odd intergers have a product of 99. find the larger number.
Click here to see answer by nerdybill(7384)

Question 195440: solve 2x^2=9x. round to the nearest tenth.
Click here to see answer by vleith(2983)

Question 195437: the area of a rectangle is 100 in^2. the width is 4 times larger than the length find the width.
Click here to see answer by vleith(2983)

Question 195469: can you help me solve these problem?
An arrow is shot into the air with an upward velocity of 48 ft.per second from a hill 32 ft high.The height h of the arrow can be found using the model h=32 +48t -16t^ where t is the time in seconds.How many seconds after release will the arrow be 64 ft. above the ground?I will appreciate very much if you can help me.
Click here to see answer by vleith(2983)

Question 195500: The equation for the axis of symmetry written as a decimal
for y=x^2-7x+12 is x= _____ .

Click here to see answer by Alan3354(69443)

Question 195500: The equation for the axis of symmetry written as a decimal
for y=x^2-7x+12 is x= _____ .

Click here to see answer by stanbon(75887)

Question 195499: Set up a table of values (minimum 5 ordered pairs) equally arranged around the axis of symmetry x value to prepare to graph:
y=x^2-10x+25

Click here to see answer by stanbon(75887)

Question 195498: Order of operations is essential to get the correct answer. Write the quadratic formula (not the derivation) all on one horizontal line being especially careful to include the correctly placed three sets of parenthesis that will insure you answer will be done in the correct order to get the correct two values for x.

Click here to see answer by Edwin McCravy(20054)

Question 195599: I have two questions.
1) Write a quadratic equation with the variable x having the given numbers. Write an equation in standard form ax^2+bx+c=0 solutions are -3,1
2) There is a cookbook open to two pages the product of the page numbers are 1190. Find the page numbers.
first page-
second page-
Thanks in advance
Click here to see answer by stanbon(75887)

Question 195582: 1) You provide the manager with a quadratic equation that models the expected number of ticket sales for each day x. (x=1 is the day tickets go on sale)
Tickets= -0.2x^2+12x+11
a) Does the graph of this equation go up or down? How was this determined?
b) Describe what happens to the tickets as time passes?
c) Use the quadratic equation to determine the last day tickets will be sold.
d) Will tickets peak or be at a low durning the middle of the sale? How do you know?
e) After how many days will the peak or low occur?
f) How many tickets will be sold on the day when the peak or low occurs?
g) What is the point of the vertex?
h) How many solutions are there to the equation -0.2x^2 +12x+11=0
I) What do the solutions represent? Is there a solution that does not make sense? If so in what whays does the solution not make sense?
Thank you so much to who ever does this. It is greatly appreciated!!
Click here to see answer by ankor@dixie-net.com(22740)

Question 195656: The solutions to a quadratic equation are -4 and 8. What is the quadratic equation?
Click here to see answer by jim_thompson5910(35256)

Question 195658: Solve the equation using the zero-product property.
(2x5)(5x-5)=0
Click here to see answer by jim_thompson5910(35256)

Question 195657: If an object is dropped from a height of 38 feet, the function h(t)=-16t^2+38 gives the height of the object after t seconds. Graph the function.

Click here to see answer by Earlsdon(6294)

Question 195660: Solve the equation using the zero-product property.
(2x+2)(5x-5)=0
Click here to see answer by jim_thompson5910(35256)

Question 195673: Solve the equation by completing the square. Round to the nearest hundredth if necessary.
3x^2-6x-24=0
Click here to see answer by jim_thompson5910(35256)

Question 195677: Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth.
2a^2-46a+252=0
Click here to see answer by jim_thompson5910(35256)

Question 195679: A rocket is launched from atop a 101-foot cliff with an initial velocity of 116ft/s.
a. Substitute the values into the vertical motion formula h=-16t^2+vt+c. Let h=0
b.Use the quadratic formula find out how long the rocket will take to hit the ground after it is launched Round to the nearest tenth of a second
Click here to see answer by jim_thompson5910(35256)

Question 195690: Solve the equation by factoring
z^2-6z-27=0
and
6x^2-17x+13=20-32
Click here to see answer by user_dude2008(1862)

Question 195693: Solve the equation by factoring
6x^2-17x+13=20x^2-32
Click here to see answer by user_dude2008(1862)

Question 195694: Find the value of n such as x^2-19x+n is a perfect square trinomial
Click here to see answer by checkley77(12844)

Question 195697: 7x^2-16x-28=0
11x^2=8
Click here to see answer by jim_thompson5910(35256)

Question 195722: A polynomial function has a factor of (9x+5). What is a zero of this function?
Click here to see answer by stanbon(75887)

Question 195740: Solve by factoring: 25x^2 + 2x + 1 = 12x
Click here to see answer by jim_thompson5910(35256)

Question 195742: Solve by factoring:

x^2+9x/10=-2
Click here to see answer by user_dude2008(1862)

Question 195827: y = x� + 10x + 9
y = 5x + 5
Click here to see answer by solver91311(24713)

Question 195941: I have four questions
1) quadritic equation variable x having the given numbers as solutions. Type in standard equation form.
ax^2+bx+c=0 only solution is 7
2) JIm mows the lawn in 7 hours Sue mows the lawn in 4 hours. How much time would it take them to mow the lawn together?
3) Variation constant and an equation of variation where y vaires directly as x and y=6 when x=3? Variation constant k Equation variation is y
4) (20b^3+17b^2+18b+42) divided (4b+5)
Thanks in advance you guys rock!!
Click here to see answer by user_dude2008(1862)

Question 195914: how do you find the value of n in this equation:
v2+24v+n
Click here to see answer by solver91311(24713)

Question 195927: Three consecutive even integers are such that the square of the third is 100 more than the square of the second. Find the three integers.
Click here to see answer by nerdybill(7384)

Question 196135: Please help with my questions thanks in advance.
1) factor 112s^2+392sf+343f^2
2) f(x)=3x^2-15 need the x intercept
3) 4x(x-1)-5x(x)=3
4) x^1/6 * y^1/8 *z^1/3
Thanks a bunch
Click here to see answer by stanbon(75887)

Question 196134: This is from Activity Bank, INTEGRATED MATHEMATICS 1 Copyright by Houghton Mifflin Company.
One of the world's largest paintings is "The Battle of Gettysburg." When it was completed in 1883 by a French artist and 16 assistants, it covered an area of 28,700 ft. The perimeter was 960 ft. Find thd length and width of the painting.
Click here to see answer by Earlsdon(6294)

Question 196190: please help me solve these equations:
1)p^2+3p-54
2)n^2-n-12
3)a^2+10a+24
i really need help....thank u

yasmine L
Click here to see answer by stanbon(75887)

Question 196132: This is from Activity Bank, INTEGRATED MATHEMATICS 1 Copyright by Houghton Mifflin Company.
The city of Casablanca, Morocco has the world's largest swimming pool. The distance between two opposite corners of the pool is about 1590 ft. The length is about 1325 ft. longer than the width. What are the length and width of the pool?
Click here to see answer by nerdybill(7384)

Question 196227: A quadratic equation produced the solutions x= -3 and x= -1/2. What is the TRINOMIAL equation that gives these answers?
Click here to see answer by Alan3354(69443)

Question 196285: I have two questions that I have been toying with and they are driving me nuts. Can someone help please
1) a 10 inch tv has a width of 8 inches. WHat is its height?
2)Find a polynomial for the perimeter and for area.( shape is a rectangle)
top of the rectangle is x+6 the side is just the letter x.
Thanks in advance

Click here to see answer by Earlsdon(6294)

Question 196325: 1) Is it possible for a quadratic equation to have no real solution? Give an example of a quadratic polynomial equation that has no real number as its solution. Explain your answer using your example.

2) Joe travels a distance of 60 miles with an average speed of 40 miles per hour, and immediately he returns back the same path with an average speed of 48 miles an hour, what is his average speed for the round trip of 120 miles? Be Precise! Explain your answer. If the one way distance is 10 miles, would that change your answer? Explain.

Click here to see answer by Mathtut(3670)

Question 196335: Please help me solve this equation:
Click here to see answer by edjones(8007)

Question 196408: x^2+8x-2=0
Click here to see answer by vleith(2983)

Question 196456: I have this question to answer for an assignment:
If you are looking at a graph of a quadratic equation, how do you determine where the solutions are?
Thank you in advance for your help.
Click here to see answer by ankor@dixie-net.com(22740)

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