# Questions on Algebra: Quadratic Equation answered by real tutors!

Algebra ->  Algebra  -> Quadratic Equations and Parabolas -> Questions on Algebra: Quadratic Equation answered by real tutors!      Log On

 Ad: You enter your algebra equation or inequality - Algebrator solves it step-by-step while providing clear explanations. Free on-line demo . Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations! Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

 Quadratics: solvers Practice! Answers archive Lessons Word Problems In Depth

 Question 440852: A Ball is thrown upward from a height of 15 ft. with an initial upward velocity of 5 ft a sec. Use the formula h=-16t squared+vt+s to find out how long it will take for the ball to hit the ground? Click here to see answer by Alan3354(31538)
 Question 440852: A Ball is thrown upward from a height of 15 ft. with an initial upward velocity of 5 ft a sec. Use the formula h=-16t squared+vt+s to find out how long it will take for the ball to hit the ground? Click here to see answer by stanbon(57984)

 Question 440835: A baseball diamond is actually a square 90 feet on a side. A catcher fields a bunt along the third baseline 10 feet from home plate. How far would the catcher have to throw the ball to second base. This is a homework problem and I need to show all work. Click here to see answer by jorel1380(2518)

 Question 441196: is y= x² + x - 2 a function? Click here to see answer by robertb(4012)

 Question 441072: The area of a rectangular playground is 16 square yards. The length of the playground is 4 times longer than its width. Find the length and width of the playground Click here to see answer by Euler(11)

 Question 441177: How do you complete the squares in this equation: x^2-2x+y^2-15=0? Click here to see answer by ewatrrr(10682)

 Question 441239: I need help solving this quadratic equation - -3w^2-6w+3=0 thanks for your help Click here to see answer by ewatrrr(10682)

 Question 441281: (x+2)^2=36, give exact and approximate to 3 decimal places. Click here to see answer by ewatrrr(10682)

 Question 441280: x^2+6x+9=25, give exact and approximate within 3 decimal places. Click here to see answer by ewatrrr(10682)

 Question 441277: Nature of solutions, y^2=4/7y+5/3 Click here to see answer by ewatrrr(10682)

 Question 441078: we are doing conics in algebra and we have to put these equation into the standard form for the conic and i am having trouble with these equations. 1) parabola: x^2-2x+8y+9=0 2)parabola: x^2-2x+8y+17=0 3)parabola: y^2-4y-4x=0 4)hyperbola; 12x^2-20y^2-12x+40y-37=0 is there any way you can help? Click here to see answer by ewatrrr(10682)

 Question 441028: Which quadratic equation has solutions of 5 and 7? Click here to see answer by ewatrrr(10682)

 Question 440914: Find the center and radius of the circle. y^2=25-x^2 Click here to see answer by ewatrrr(10682)

 Question 440883: x^2+10x+22=0 Click here to see answer by ewatrrr(10682)

 Question 440867: Is the function y + 2x^2= -2 quadratic? Thanks for your help Click here to see answer by ewatrrr(10682)

 Question 440862: 8x^2 + 3x = -2 Click here to see answer by ewatrrr(10682)

 Question 441484: how to solve this quadratic equation listed below: 4(x+4)^2-21-175 Click here to see answer by Alan3354(31538)

 Question 441920: what is the discriminant of the quadratic equation for 4x^2-9x=0 and what is the number and type of solution for free Click here to see answer by Cabdiqafaar(9)

 Question 440336: write a quadratic equation having the given numbers as solutions -11 and -3 Click here to see answer by Cabdiqafaar(9)

 Question 442077: Solve the following equation by first multiplying both sides by the LCD and then applying the quadratic formula to the result. (Enter solutions from smallest to largest.) 1/2x^2-1/2x-15/32=0 x = ? x = ? Please show me the steps to get the answer. Thanks Click here to see answer by MathLover1(6815)

 Question 442079: Solve the equation 25x2 - 64 = 0 using the quadratic formula. (Notice b = 0. Enter solutions from smallest to largest.) x = ? x = ? Please show me the steps to get the answer. Thanks Click here to see answer by richard1234(5390)

 Question 441579: Ms. Theodorou wants to hang a portrait of Mr Fucheck in the hallway. The length of the picture is (x+2) and the width of the picture is (x+1). Ms Cavazzi will build a frame out of wood. The Frame will have a 2 inch border. The area of that entire Portrait will cover is 272 inches square. Find the dimensions of the picture. Click here to see answer by ankor@dixie-net.com(15747)

 Question 442222: add, simplify if possible; 2z/z^2-64 + z/z-8 Click here to see answer by stanbon(57984)

 Question 442228: express using a positive exponent, u^-4 Click here to see answer by stanbon(57984)

 Question 442226: express using a positive exponent, u^-4 Click here to see answer by ilana(307)

 Question 442106: Solve the following equation by using the quadratic formula. (Enter solutions from smallest to largest. If there is one solution with a multiplicity of two, enter it in both answer boxes.) 9x^2+18x+2=0 x = ? x = ? Please show me the steps to get the answer. Thanks Click here to see answer by ankor@dixie-net.com(15747)

 Question 442225: multiply, (5sqrt(7)-15sqrt(2)) (4sqrt(7)+12sqrt(2)) Click here to see answer by ilana(307)

 Question 442320: Please help with this problem. Find all numbers for which the rational expression is undefined. s^3-7s/s^2-64 Click here to see answer by swincher4391(726)

 Question 442321: Need help please with this problem. Rewrite with a rational exponent. ^5√23 Click here to see answer by swincher4391(726)

 Question 442317: Please help me with this problem. Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function, and graph the function. f(x)= -2x^2+2x+7 Click here to see answer by swincher4391(726)

 Question 442276: m squared - 9m -24 ,Factor the type one qudratic Click here to see answer by swincher4391(726)

 Question 442254: how to solve for X in the equation 8X-2+12X-18 choose one X=-1 X=4 X=-4 X=1 Click here to see answer by swincher4391(726)

 Question 442378: Can someone please help me with this problem? The population P in 1993 for a state given along with r, its annual percentage rate of continuous growth P= 34 millions, r= 2.6% (a) Write the formula f(x) = P e^yx, where r is in the decimal notation, that models the population in millions x years after 1991. (b) Estimate the population in 2010 F(x) = ? The population in 2015 will be approximately how many million? (round to the nearest tenth as needed) Thank you so much for your time. I appreciate it Click here to see answer by nerdybill(7011)

 Question 442383: whrite a quadratic equation in the variable x having the given numbers as solutions. type the equation in standard form, ax^2+bx+c=0 solution: 4, only solution Click here to see answer by mananth(12270)

 Question 442376: I have a equation to the 3rd degree 1x^3-7x^2+19x-13 and it needs to be in quadratic from so that I may solve it and I am not sure how to get it that form. Click here to see answer by Edwin McCravy(8999)

 Question 442394: a fraternity charters a bus for a trip at a cost of 360 when 6 more students join the trip each person's cost decreases by 2. how many students were in the original group Click here to see answer by josmiceli(9819)

 Question 442456: solving by substitution. x+y=4 x=y+1 Click here to see answer by swincher4391(726)

 Question 442498: solving by substitution method. 4x-5y= -35 4x+39=y Click here to see answer by stanbon(57984)

 Question 442528: solving by substitution method. 8m+n=3 m-9n=46 Click here to see answer by swincher4391(726)

 Question 442535: Use the formula A=P(l=r)t to find the rater r at which \$3000 grows to \$5247 in 4 years Click here to see answer by stanbon(57984)

 Question 442534: The length of one leg of a right triangle is 8 inches. The length of the other leg is 6 inches shorter than the hypotenuse. Find the length of the missing leg and the hypotenuse Click here to see answer by swincher4391(726)

 Question 442554: solve by using elimination method. x+4y=32 -x+8y=52 Click here to see answer by stanbon(57984)

 Question 442578: Hello, I was wondering if you would be able to help me out on this problem. I'm not sure where to start: Use the given area to find the height and base of the triangle. Area = 84 Base = 2x+5 Height = x Then I need to type an integer or a simplified fraction for what the height of the triangle is Click here to see answer by swincher4391(726)

 Question 442589: Hello, I was wondering if you would be able to help me out on this problem. I'm not sure where to start: The area of the parallelogram is 108 square miles. Find it's base & height. Click here to see answer by swincher4391(726)

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