Questions on Algebra: Quadratic Equation answered by real tutors!

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Question 445818: The length of a rectangle is 3 feet greater than its width. The area of the rectangle is 108ft square. Find the length and width.
Click here to see answer by jorel1380(2518)

Question 445907: Please help me with this word problem: A 24-foot ladder resting against a house reaches a windowsill 16 feet above the ground. How far is the foot of the ladder from the foundation of the house? Express your answer to the nearest tenth of a foot.
Click here to see answer by stanbon(57361)

Question 445946: 6^2+3x-18=0
Click here to see answer by Gogonati(809)

Question 446032: confused the answer i got was -300 but confused on the second part.For the following equation, state the value of the discriminant and then describe the nature of the solutions.-5x^2+10x-20=0 What is the value of the discriminant?
Click here to see answer by stanbon(57361)

Question 446103: 5/2x+3 - 1/x-6 = 0
Click here to see answer by Leaf W.(97)

Question 446108: VERIFY each trigonometric identity:
I'd appreciate any help:)
a) (1/cos^2x)-(1/cot^2x)=1
b) (sinx/1+cosx)=(1-cosx/sinx)
c) (secx/sinx)-(sinx/cosx)=cotx
d) (cos^2x/1-sinx)=sinx+1
Click here to see answer by stanbon(57361)

Question 446210: 2 2x +5x_3=0 (i m yr new student & my name is fareeha & i study in class 8 plz provide me the solution of my question )thank you ......
Click here to see answer by Alan3354(30993)

Question 446089: The length of the top of a table is 7m greater than the width.
the area is 78m^2. find the dimensions of the table
Click here to see answer by chriswen(106)

Question 446211: 2 2x +5x-3=0 ( i m yr new student my name is fareeha & i study in class 8 )....
Click here to see answer by stanbon(57361)

Question 446322: The length of the top of a table is 4m greater than the width. The area is 77m^2. Find the dimensions of the table
Click here to see answer by chriswen(106)

Question 446295: factor 0= 5X sqaured minus 2x plus 42
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Question 446466: could you please me to how to obtain quadratic equations like x^2-2*square root of 5+3
Click here to see answer by The One(11)

Question 446557: Solver for x
square root of 3x+1 plus 3 = x
Click here to see answer by ewatrrr(10682)

Question 446568: I am thinking of three consecutive integers. The square of the largest is 12 less than the sum of the squares of the other two. Find the integers.
Click here to see answer by chriswen(106)

Question 446670: How do you solve x^2-10x+25=6?
Click here to see answer by rfer(12660)

Question 446670: How do you solve x^2-10x+25=6?
Click here to see answer by MathLover1(6634)

Question 446744: for the following equation, state the value of the discriminant and then describve the nature of the solution -8x^2+5x+13=0
Click here to see answer by chriswen(106)

Question 446754: The sum of the roots of 8x² - 2x = 1 is:
Click here to see answer by rfadrogane(214)

Question 446754: The sum of the roots of 8x² - 2x = 1 is:
Click here to see answer by josmiceli(9681)

Question 446747: rewrite the following expression with positive exponenets (13xy)^-5/
Click here to see answer by benni1013(197)

Question 446753: The values of a, b, and c in the equation x² + 6x - 55 = 0 are:
Click here to see answer by rfadrogane(214)

Question 446795: I am confused as to how i would work this out. Please help?
*Determine the nature of the solutions of the equation.
8t^2-9t=0
Click here to see answer by sudhanshu_kmr(1152)

Question 446961: Please help me factor this:
Click here to see answer by ankor@dixie-net.com(15653)

Question 447037: Write a quadratic equation that has as solutions the given pair of numbers: -7/2 and 1/4. Please help, I don't have the slightest idea where to begin.
Click here to see answer by ankor@dixie-net.com(15653)

Question 447108: find 3n^2 if n(n+5)=-4
Click here to see answer by chriswen(106)

Question 447177: x^2+14x+40=-5
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Question 447334: Solve (x+2)(2x-7)=-15
Click here to see answer by algebrahouse.com(1079)

Question 447227: Well, I have a math problem that say," Yoy have 180 feet of fence to make a rectangular pen. One side of the pen will be against a 200 foot wall, so it requires no fence. What are the dimensions of the rectangle with the maximum area?" and i would like for you to help me on it.
Click here to see answer by ankor@dixie-net.com(15653)

Question 447354: Find the equation of a quadratic function with x-intercepts(2,0) and (-7,0) and y-intercept (0,5)
Click here to see answer by stanbon(57361)

Question 447343: In a quadratic equation, once you have something that looks like this-
-9(plus/minus)(square root) 121. Do you (plus minus) the square root of the number or the actual number?
Click here to see answer by stanbon(57361)

Question 447439: Can this be factored if so how do I factor it -y4-9y3+p2?
Click here to see answer by stanbon(57361)

Question 447448: Determine the type of number that the solutions of:
x^2+8x-9=0 will be
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Question 447375: 3m2 + 8m + 2=0
Click here to see answer by www.achukanjosh@gmail.com(3)

Question 447473: Please explain me to solve the equations of the type x^2-2*square root of 5*x+3 without using quadratic formula.
Click here to see answer by ewatrrr(10682)

Question 447407: A gound base missile is launched from the origin (0,0), it reaches a maximum height of 10km and lands 200km away at the point (200,0) determine the quadratic equation. The missiles flight path is a parabola.
Click here to see answer by ankor@dixie-net.com(15653)

Question 447715: The equation x^2 + x - 4 = (x + a) (x+ b) is true. what is ab
Click here to see answer by stanbon(57361)

Question 447713: The equation x>2 + x - 4 = (x + a) (x+ b) is true. what is ab
Click here to see answer by richard1234(5390)

Question 447758: what is A sub N = 2n squared -1? I'm looking for the "10th term"
Click here to see answer by richard1234(5390)

Question 447847: Find two consecutive positive integers such that the sum of their squares is 41.
Click here to see answer by algebrahouse.com(1079)

Question 447961: how do i solve a quadratic equation that looks like this....y(y-3)=0
Click here to see answer by Alan3354(30993)

Question 447882: solve by factoring 8s-11=(s-2)(s-6)
Click here to see answer by The One(11)

Question 447982: The length of a rectangle is 8 cm less than twice the width. The area of the rectangle is 90 cm2. Find the length and width of the rectangle.
length______cm
width_______cm
Click here to see answer by jorel1380(2518)

Question 448081: Use the general formula (A= l x W) to write the area A of the enclosure as a function of w. (that is, only the variable w should appear in the function). Write the function in simplest form. What type of function is this?
a= area
l= length
w= width
Click here to see answer by stanbon(57361)

Question 448513: what is the vertex form for the equation y=x^2-2x-8
Click here to see answer by ewatrrr(10682)

Question 448483: Find the x-intercepts of the graph and compare them with the solutions of the corresponding quadratic equation y=x^2-9x+18.

Click here to see answer by ewatrrr(10682)

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