Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 305982: xsquared-8x=33
Click here to see answer by texttutoring(324)

Question 306044: m^ + 10m
Click here to see answer by richwmiller(9135)

Question 306124: where on earth was quadratic equation initially used?
Click here to see answer by rfer(12657)

Question 306134: Can you please help me to solve the quadratic equation P=7^2+Po? t=the time in years and Po= population
t=0
t=1
t=2
t=4
Po=7000
Click here to see answer by stanbon(57347)

Question 306158: how do i do (1,-1) and (4-,4) with the slope intercept form?
Click here to see answer by stanbon(57347)

Question 306325: we have a disagreement with a classmate.
Is a quadratic equation or not?
We disagree on this.
Click here to see answer by Earlsdon(6287)

Question 306354: A television screen is 22 in. By 16.5 in. Write the ratio of the shorte side to the longer side in simplest form.
Click here to see answer by Alan3354(30993)

Question 306412: How do I find out the value of x and y in this equation;
20,000 + .15X = y
Click here to see answer by Fombitz(13828)

Question 306416: 3d=18-3d d=6
Click here to see answer by JBarnum(2044)

Question 306415: x+5=4x+26
Click here to see answer by JBarnum(2044)

Question 306417: -2g+15=45-8g
Click here to see answer by JBarnum(2044)

Question 306413: -2y+5=y-1
Click here to see answer by JBarnum(2044)

Question 306463: how can i get my domain and range fron a quafratic equation
Click here to see answer by Edwin McCravy(8909)

Question 306484: 4x+x+7=44
Click here to see answer by rfer(12657)

Question 306491: x^2-8x=48
find x.
Click here to see answer by checkley77(12569)

Question 306539:
Click here to see answer by checkley77(12569)

Question 306539:
Click here to see answer by ichudov(499)

Question 306538: how to graph a parabola using y=x2-2x-8
Click here to see answer by checkley77(12569)

Question 306537: how do i solve in detail this problem:
3x^2-8x=16
Click here to see answer by checkley77(12569)

Question 306560: X^(2)=2x+35
Click here to see answer by mananth(12270)

Question 306558: X^2=2x+35
Click here to see answer by checkley77(12569)

Question 306536: Question goes here. Write clearly!
Click here to see answer by themathtutor2009(81)

Question 306548: A ball was thrown in the air and I have the formula
h(t)=-4.9t(squared)+31t+1
31 is the initial velocity and 1 (meter) is the initail height
i need to find the height after 1 second. i also need to find the time it is at ten feet.
Do i use the quadradic formula and put the numbers in? if so, where do i put them in?
Click here to see answer by ankor@dixie-net.com(15652)

Question 306737: X-2
Click here to see answer by ichudov(499)

Question 306779: how doo i Solve the equation by graphing x2 - 5x - 24 = 0
Click here to see answer by Fombitz(13828)

Question 306791: y2+3y+1=0
Click here to see answer by texttutoring(324)

Question 306859: 2+2
Click here to see answer by nyc_function(2733)

Question 306807: Factor 6x2-12x+3x
Click here to see answer by nyc_function(2733)

Question 306901: One-half of a number is 25 more than one-third of the same number. What is the number?
Click here to see answer by solver91311(16885)

Question 306905: An investment of $1500 paid interest of $45 during a certain period. How much interest would an investment of $2000 invested at the same time rate or the same length of time pay?
Click here to see answer by ichudov(499)

Question 306915: In baseball a players batting average is the ratio of hits to the number of the times he or she has batted. Thus, if the player has an average of .300, it means he or she got 300 hits in 1000 at bats. In order to have an average of .300, how many hits would the batter have to get in 400 times a bat?
Click here to see answer by checkley77(12569)

Question 306936: Find all real solutions to this equation:
x^2+x+sqrt(x^2-x)-2=0
This is confusing. Please help. thanks
Click here to see answer by richwmiller(9135)

Question 306970: 2(3x+1)(x-7)=0
DUE TOMORROW! PLEASE HELP!
Click here to see answer by solver91311(16885)

Question 306973: A rectangle is 4 times as long as it is wide. A second rectangle is 5 centimeter longer and 2 centimeters wider than the first. The area of the second rectangle is 530 square centimeters greater than the first. What are the dimensions of the original rectangle?
Click here to see answer by mananth(12270)

Question 306983: 2(3x+1)(x-7)=0
can someone please show me step-by-step how to solve this problem?
i am not understanding how to solve using the quadratic formula...
Click here to see answer by mananth(12270)

Question 307004: Question goes here. Write clearly!
Click here to see answer by Alan3354(30993)

Question 306957: Two planes leave Chicago- one traveling due east and the other due west. The first travels 100 miles per hour faster than the second. How long will it be until they are 2000 miles apart?
Click here to see answer by ichudov(499)

Question 306959: In the period of a year, an investor lost twice as much as he gained. If he originally had $10,000 and now has $6000, what amount did he gain and what did he lose?
Click here to see answer by ichudov(499)

Question 307020: The sum of a number and it's reciprocal is 10 over 3. What is the number?
Click here to see answer by themathtutor2009(81)

Question 307020: The sum of a number and it's reciprocal is 10 over 3. What is the number?
Click here to see answer by rapaljer(4667)

Question 307133: use any method to solve the equation 7x^2-16x-28=0
Click here to see answer by Stitch(352)

Question 307112: when i do a question that has a zero at the end of it i do the formula but i always get it wrong, why?
Click here to see answer by Fombitz(13828)

Question 307080: suppose that a town experience quadratic growth of the form p=7t^2+7,500, where (t) is the time in years from 2010.
a. solve the equation

Click here to see answer by Fombitz(13828)

Question 307151: how to evaluate 512^5/9
Click here to see answer by Fombitz(13828)

Question 307177: Tickets to the school dance cost $4, and the projected attendance is 300 people. It is further projected that for every 10 cent increase in ticket price, the average attendance will decrease by 5. At what ticket price will the receipts from the dance be $1,248? Show the quadratic equation used to solve this problem and show all work in solving it.
Click here to see answer by ankor@dixie-net.com(15652)

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