Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 155507: solve by factoring
2x squared +x-10=0
Click here to see answer by jim_thompson5910(28476)

Question 155515: the length of a rectangle is twice the width. the perimeter is 48 in. find the dimensions of the rectangle.
Click here to see answer by oscargut(891)

Question 155515: the length of a rectangle is twice the width. the perimeter is 48 in. find the dimensions of the rectangle.
Click here to see answer by Adam(64)

Question 155553: i need help with this question. i don't understand how to do it.
Click here to see answer by checkley77(12569)

Question 155553: i need help with this question. i don't understand how to do it.
Click here to see answer by stanbon(57219)

Question 155539: Are these parallel x+11=y and y-x=-7 What is the slope of the line x+11=y
Click here to see answer by checkley77(12569)

Question 155538: Are these parallel x+11=y and y-x=-7 What is the slope of the line x+11=y
Click here to see answer by checkley77(12569)

Question 155584: Fnd three consecutive integers whose sum is 126.

Click here to see answer by Alan3354(30959)

Question 155585: the sum of four consecutive odd integers 216.find the four integers.
Click here to see answer by stanbon(57219)

Question 155585: the sum of four consecutive odd integers 216.find the four integers.
Click here to see answer by checkley77(12569)

Question 155597: Please HELP> i am not good with fractions.
Solve by completing the square
m^2-1/2m=7/2
Click here to see answer by stanbon(57219)

Question 155598: The width of a rectangle is 2 ft less than the length. the area is 8 ft^2. Find the length and the width.
PLEASE HELP!!!
Click here to see answer by jojo14344(1512)

Question 155612: plot points of y=-6
Click here to see answer by jim_thompson5910(28476)

Question 155616: a)SOLVE 2X^2=6
b) Find the x-intercepts of f(x)=2x^2-6
What are the solutions?
What are the x-intercepts?

Thank you for any help!!!!
Click here to see answer by jim_thompson5910(28476)

Question 155620: Find the x-intercepts and y intercepts for f(x)
f(x)=x^2-8x+11
I dont know is this is correct, i got the x intercepts are (4(+-) sqrt5/2,0)

Click here to see answer by jim_thompson5910(28476)

Question 155614: 5y+8x+4=10+8x Find the slope and the y-intercept of the line.
Click here to see answer by checkley77(12569)

Question 155674: simplify (x-2)*-2(x-2)-15 *= squared
Click here to see answer by Alan3354(30959)

Question 155683: 2(x+1)^2+7(x+1)+3
Click here to see answer by stanbon(57219)

Question 155685: simplify (3x+1)^2-(2x+1)(x-5)+2 and factorise the simplified expression!! help please...!!
Click here to see answer by Edwin McCravy(8879)

Question 155685: simplify (3x+1)^2-(2x+1)(x-5)+2 and factorise the simplified expression!! help please...!!
Click here to see answer by stanbon(57219)

Question 155725: Find an equation of the line containing the given pair of points. Express your answer in the form x=a, y=b, or y=mx+b.
(-2,-2) and (1,1)

Click here to see answer by checkley77(12569)

Question 155734: Write an equation of the line containing the given point and parallel to the given line. Express you answer in the form y=mx+b
(8,9); 9x+y=6

Click here to see answer by checkley77(12569)

Question 155981: Find the x-intercepts
y=x^2+4x-1

Click here to see answer by checkley77(12569)

Question 155978: The so-called golden rectangle is said to be extremely pleasing visually and was used often by ancient Greek and Roman architects. The length of a golden rectangle is approximately 1.6 times the width. Find the dimensions of a golden rectangle if its area is 9000m^2.
Click here to see answer by checkley77(12569)

Question 155985: h=16t^2+vt+s for t
Click here to see answer by Earlsdon(6287)

Question 155990: y^2=x+1. Find the vertex, x and y intercepts, and sketch the graph. Please help, I have no idea what to do with this!!!
Click here to see answer by stanbon(57219)

Question 156046: Find the slope-intercept equation of the line that has the given characteristics y=1.7x+9
Click here to see answer by stanbon(57219)

Question 156072: Please help me solve the following problem:
k^3+8/k^2-4
Click here to see answer by orca(409)

Question 156044: Find the intercepts of 1.1x-1.9y=4.18 and graph the equation.
Click here to see answer by orca(409)

Question 156071: Please help me solve the following question:
x^3-27/x-3
That's x cubed minus 27 divided by x-3
Click here to see answer by oscargut(891)

Question 156105: one side of a right triangle is half the hypotenuse and the other side is 12cm. Find the length of the hypotenuse.
Click here to see answer by oscargut(891)

Question 156058: Find the slope-intercept equation of the line that has the given characteristics y=1.7x+9
Click here to see answer by Fombitz(13828)

Question 156124: CAN YOU HELP? √x-3-3=4
Thank you
Click here to see answer by Fombitz(13828)

Question 156148: Solve
15x^4-31x^2+10=0
The solution of x= ??
Click here to see answer by jim_thompson5910(28476)

Question 156147: I have a swan that weighs 25 lbs. and is 4 ft. long. Using this equation what is the L in wing span in feet.
Equation: L=2.43*W^0.3326
Click here to see answer by jim_thompson5910(28476)

Question 155983: Evaluate the discriminant b^2-4ac. Then use the answer to state how many real-number solutions exist for the equation.
〖y=x〗^2+8x+16

Click here to see answer by SAT Math Tutor(36)

Question 156043: Write an equation of the line containing the given point and perpendicular to the given line.
(6,-2); 7x+6y=5
Click here to see answer by checkley77(12569)

Question 156335: then
Click here to see answer by oscargut(891)

Question 156350: Solve 6x^2+3x-18=0 using the quadratic formula
Click here to see answer by oscargut(891)

Question 156350: Solve 6x^2+3x-18=0 using the quadratic formula
Click here to see answer by jim_thompson5910(28476)

Question 156359: State the domain of the following:
f(x)= square root x+4
Click here to see answer by nabla(475)

Question 156368: In this equation: 3 √x -5=3 what does x equal?
Click here to see answer by Alan3354(30959)

Question 156375: solve the equation for x
Click here to see answer by jim_thompson5910(28476)

Question 156383: for what value(s) of k is the line 2x=3y+k a tangent to the parabola y=x^2-3x+4?
Click here to see answer by stanbon(57219)

Question 156379: find the distance between the poionts of intersection of the line with equation y=2x+1 and the parabola with equation y=x^2-4x+6.
Click here to see answer by Alan3354(30959)

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