Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 370040: If the product of two consecutive integers is decreased by 20 times the greater integer. The result is 442. Find the integers.
Click here to see answer by jsmallt9(3758)

Question 370199: so. a stage in the park is being decorated for Veterans Day. The stage is rectangular and has an area of 450 square feet. is 80 feet of skirting enough to create a skirt for all four sides of the stage? please show how you came to the answer. thank you!(:
Click here to see answer by solver91311(24713)

Question 370228: i have to write a quadratic equation in the variable x having the given numbers as solutions: -sqrt 10 and 8sqrt 10. This needs to be in standard from
ax^2+bx+c=0
Click here to see answer by robertb(5830)

Question 370229: A model for the path of a toy rocket is given by 68t-4.9t(squared), where h is the altitude in meters and t is the time in seconds. Explain how to find both the maximum altitude of the rocket and how long it takes to reach that altitude.
Click here to see answer by Alan3354(69443)

Question 370235: find real values for x and y so that each of the following equations is true:
(2x-1)-(3y+2)i=7+2i
Click here to see answer by robertb(5830)

Question 370241: how you inputted the quadratic formula please.
Click here to see answer by Fombitz(32388)

Question 370253: Given -3x^2+9x+c=0 and the two roots sqrt( 2 ) and 3-sqrt( 2 ), find c.
Click here to see answer by robertb(5830)

Question 370370: Make a quadratic equation whose roots are -2 + sqrt( 5 ) and -2 - sqrt( 5 ).
Click here to see answer by edjones(8007)

Question 370368: Make a quadratic equation whose roots have a sum of 4 and a product of 3 and another equation for the sum of 16 and a product of -80.
Click here to see answer by edjones(8007)

Question 370377: x+2x^1/2-15=0
How is this solve by first writing it as a quadratic equation?
Click here to see answer by Alan3354(69443)

Question 370377: x+2x^1/2-15=0
How is this solve by first writing it as a quadratic equation?
Click here to see answer by ewatrrr(24785)

Question 370623: A common student error when solving a quadratic equation is simplifying incorrectly. Consider the following INCORRECT solution:
2+/- the square root of 7 divided by 2
=
1+/- square root of 7
Explain why x= 1+-sqrt7 is the incorrect solution.
Is this not able to be factored any further from 2+-sqrt7/2 because the whole numerator needs divided by 2?

Click here to see answer by amoresroy(361)

Question 370628: A train travels 360km at a uniform speed. If the speed had been 5km/h more, it would have taken 1 hour less for the same journey. Find the speed of the train
Click here to see answer by mananth(16946)

Question 370419: A rectangular parking lot has a length that is 4 yards greater than the width.The area of the parking lot is 140 square yards. Find the length and the width of the parking lot?
Click here to see answer by jsmallt9(3758)

Question 370794: what is the difference between a^3(a^5) and (a^3)^5
Click here to see answer by stanbon(75887)

Question 370971: x^4+3x^2-10=0
Click here to see answer by mananth(16946)

Question 371021: 2x^-7x+6=0
Click here to see answer by robertb(5830)

Question 371029: 4x^-15x+14=0
Click here to see answer by robertb(5830)

Question 371062: I am new to this site and need help with more than 5 problems per day. I need help with about 17 problems....any takers. Here is one.
9x^=48x-48
Click here to see answer by Fombitz(32388)

Question 371099: how do i find the answer for 2x^2-11x+12=0 i get stuck i know that you have to factor 12 to get -11 which be -12, 1 but from there i dont know what to do can you please help me?
Click here to see answer by mananth(16946)

Question 371220: A train runs in uniform speed and cover 360Km. If speed reduce by 8Km/hour, than it will take 4hours more than ptevious time to cover 360km. find the speed of train.

Click here to see answer by mananth(16946)

Question 371245: Reduce the rational equation to quadratic equation and find its roots.
6x+10/x + 3/x� = 0
Click here to see answer by mananth(16946)

Question 371249: Reduce the rational equation to quadratic equation and find its roots.
2x/x-1 + 19/1-x� = x+3/x+1
Click here to see answer by mananth(16946)

Question 371261: how do you complete the square, y=8-3x^2-2x
(3x^2)is suppose to be 3x squared
Click here to see answer by Edwin McCravy(20054)

Question 371351: If Jamar can run 3/5 of a mile in 2 minutes 30 seconds, what is his rate in miles per minute?
Click here to see answer by ewatrrr(24785)

Question 371301: 3 log x + log 2x=4.225
Click here to see answer by Fombitz(32388)

Question 371344: What is the solution set of the equation ?
Click here to see answer by ewatrrr(24785)

Question 371345: how do i find the completion of squares for the equation y2-5y+6=0
Click here to see answer by ewatrrr(24785)

Question 371345: how do i find the completion of squares for the equation y2-5y+6=0
Click here to see answer by stanbon(75887)

Question 371323: how do i solve y=x to the second power +1

Click here to see answer by Fombitz(32388)

Question 371392: 3x^2+8x=9+2x How do I factor and solve using the zero principle?

Click here to see answer by ewatrrr(24785)

Question 371413: Solve using quadratic formula
2x^2+3x+4=0
Click here to see answer by neatmath(302)

Question 371412: Solve using the quadratic formula
12t^2-5t=2
Click here to see answer by neatmath(302)

Question 371437: Identify the values of a, b, and c you would substitute into the quadratic formula to solve each of the following;
a) -2x^2 - 23x + 6 = 3x^2 + 15x
b) (x + 2) (x - 3) = (2x - 1) (x - 4)
Click here to see answer by lefty4ever26(59)

Question 371432: w^2-4w-5=0
Click here to see answer by Fombitz(32388)

Question 371578: x^2-10x+36=0
Click here to see answer by Fombitz(32388)

Question 371648: Factor completely: x^2 - 2x + y^2 + 2y - 2xy - 15
Click here to see answer by mananth(16946)

Question 371648: Factor completely: x^2 - 2x + y^2 + 2y - 2xy - 15
Click here to see answer by stanbon(75887)

Question 371735: How would I solve this problem... A flagpole casts a 32-ft shadow. A boy who is 6 feet tall is standing near the flagpole casting a 16-ft shadow. They form similar triangles. How tall is the flagpole?
Click here to see answer by rfer(16322)

Question 371745: How would I solve this equation... There are 21 females in the Algebra 1 class. If 75% of the class is female, how many students are there in the class?
I tried setting it up like this:
21 (.75)= x
x= 15.75

Click here to see answer by rfer(16322)

Question 371784: completing the square: 2x^2-6x+2=0

Click here to see answer by Fombitz(32388)

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, 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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, 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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, 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