Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 147243: Solve using the square root property:
(x + 6)^2 = 4

Click here to see answer by jim_thompson5910(28598)

Question 147240: Solve using the quadratic formula:
x^2 – 3x = 7x – 2

Click here to see answer by jim_thompson5910(28598)

Question 147239: Solve using the quadratic formula:
x^2 – 7x – 1 = -7

Click here to see answer by jim_thompson5910(28598)

Question 147242: Solve by completing the square:
x^2 + 6x + 1 = 0

Click here to see answer by psbhowmick(529)

Question 147242: Solve by completing the square:
x^2 + 6x + 1 = 0

Click here to see answer by jim_thompson5910(28598)

Question 147258: Subtract the fractions:
[2/(5w + 10)] - [3/(2w - 4)]
Click here to see answer by jim_thompson5910(28598)

Question 147260: Solve and check each of the following for X:
A: (x/3)-2=1
B: (x/6)-(x/8)=1
Click here to see answer by jim_thompson5910(28598)

Question 147263: Add or Subtract the fractions. Express the answer in simplest form:
A: [(3b-8)/(b-6)]+[(b-16)/(b-6)]
B: [(5a-12)/(a^2-8a+15)]-[(3a-2)/(a^2-8a+15)]
Click here to see answer by jim_thompson5910(28598)

Question 147265: Write each fraction/expression in simplest form:
A: [18x^4(y^3)]/[24x^2(y^3)]
B: (4r^2-25s^2)/(2r^2+3rs-20s^2)
Click here to see answer by nerdybill(6962)

Question 147318: Divide the fractions:
[(x^2-2x)/4x] ÷ [(6x-12)/8]

Click here to see answer by Earlsdon(6287)

Question 147347: Find b^2 - 4ac and the number of real solutions:
4m^2 + 25 = 20m
The book shows an answer of (0, 1)
I have tried to work it by changing to a quadratic and using the discriminant to figure the answer, but I end up with m = 5/2
I would greatly appreciate if someone can tell me how to work this problem. I am completely stumped. Thanks!
Click here to see answer by nabla(475)

Question 147116: x=5+f15

Click here to see answer by Alan3354(30993)

Question 147363: Please help us solve for f. Original problem was
We simplified this to but do not know were to go from here.
Thank you, Keith
Click here to see answer by jim_thompson5910(28598)

Question 147315: Subtract the fractions. Express the answer in simplest form:
[(5a-12)/(a^2-8a+15)]-[(3a-2)/(a^2-8a+15)]
Click here to see answer by Electrified_Levi(103)

Question 147432: Solve using the quadratic formula:
x2 – 7x – 1 = -7

Click here to see answer by oscargut(891)

Question 147431: Solve using the quadratic formula:
x^2 – 3x = 7x – 2

Click here to see answer by nerdybill(6962)

Question 147430: Solve by completing the square:
x^2 + 6x + 1 = 0

Click here to see answer by nerdybill(6962)

Question 147427: solve by factoring
x^2 – 13x = -12
Click here to see answer by nerdybill(6962)

Question 147429: Solve using the square root property:
(x + 6)2 = 4

Click here to see answer by jim_thompson5910(28598)

Question 147428: Solve using the square root property:
2x^2 – 35 = 15

Click here to see answer by jim_thompson5910(28598)

Question 147428: Solve using the square root property:
2x^2 – 35 = 15

Click here to see answer by oscargut(891)

Question 147469: Let's put an equation with that curve. Use y = x2-8x+7
a. What is the value of the discriminant? Review Lesson 3.05.
b. What types of roots will this equation have? Ex: two complex roots, one repeated root, two real rational roots or two real irrational roots? Review Lesson 3.05.
c. Find the roots by factoring and solving. Review Lesson 3.04.
d. Find the roots by using the quadratic equation. Review Lesson 3.04.
e. Find the roots by graphing and using the tracking tool.
Click here to see answer by vleith(2825)

Question 147529: 3ax^2 - 12a^2x^4 / 3ax^2
Click here to see answer by stanbon(57387)

Question 147520: If h(x) = f(x) – 3, what would the new coordinates of P be after the shift? Give answer in (x, y) form
If what would the new coordinates of P be after the reflection? Give answer in (x, y) form.

Click here to see answer by stanbon(57387)

Question 147538: I don't understand this particular question. It says to solve by the method that's easiest to me, but all the methods are difficult for me. The problem is 3x^2=2x+5.
Click here to see answer by jim_thompson5910(28598)

Question 147535: It says to use the quadratic formula to solve. The problem is 2x^2-3x+1=0
Please help me, Thank You=)
Click here to see answer by jim_thompson5910(28598)

Question 147534: Write the equation 9x(x-6)=-45 in quadratic form and solve it by factoring
Click here to see answer by jim_thompson5910(28598)

Question 147564: What does it mean to find the vertex, intercepts, and sketch of y=-x2-6x+1?
Click here to see answer by jim_thompson5910(28598)

Question 147576: The members of a flying club plan to hare equally the cost of a $2000,000 airplane. The members want to find five more people to join the club so tha the cost per person will decrease by $2000. How many members are currently in the club?
Click here to see answer by stanbon(57387)

Question 147609: Write the equation 7 x(x - 15) = - 252 in quadratic form and then solve it by factoring
Click here to see answer by jim_thompson5910(28598)

Question 147587: Solve for the roots of the quadratic equation:
(3x^2-7x)/2=3
I would try to show work....but i don't know where to start...please help...i need to know this for a test tomorrow!!!!
Click here to see answer by scott8148(6628)

Question 147614: X^2-7x-1=-7
I have been having trouble with this problem can you help me?
Click here to see answer by jim_thompson5910(28598)

Question 147669: Thank you in advance for helping me set up this problem. I have tried several different says to isolate the square root but it is not working for me.
The problem is 6x-19sqrtof x -7=0.
in the end I come up with 36x^2-445x+49 but do not know what to do next, if that is even correct. Any help wwould be appreciated. E.
Click here to see answer by scott8148(6628)

Question 147705: (1/16)^-3/4
Click here to see answer by stanbon(57387)

Question 147259: Solveand check each of the following for X:
A: (x/12)-(1/6)=[(2x-7)/12]
B: [5/(x+6)]+[2/(x^2+7x+6)]=[3(x+1)]
Click here to see answer by Electrified_Levi(103)

Question 147578: In how many ways can you arrange the digits 8, 7, 6, and 3 to form a four-digit number divisible by 9, using each digit once and only once?
Click here to see answer by Edwin McCravy(8909)

Question 147835: What does it mean when it says "find the quadratic equation where f(1)=2 and the maximum value of f is f(3)=-5"?
Click here to see answer by Fombitz(13828)

Question 147996: Multiply the fraction:
[8x(y^5)/5x^3(y^2)] . [15y^2/16x(y^3)]
Click here to see answer by jim_thompson5910(28598)

Question 148002: The longer leg of a right triangle is 1cm longer than the shorter leg and the hypontenuse is 5cm, then what are the lengths of the leg?
Click here to see answer by Alan3354(30993)

Question 148007: If the product of two consecutive even intergers is 34 larger than their sum, then what are the intergers?
Click here to see answer by jim_thompson5910(28598)

Question 148007: If the product of two consecutive even intergers is 34 larger than their sum, then what are the intergers?
Click here to see answer by ankor@dixie-net.com(15660)

Question 148012: The hypontenuse of a right triangle is 15 meters. If one leg is 3 meters longer than the other, then what are the lengths of the legs?
Click here to see answer by Alan3354(30993)

Question 148013: One side of a rectangular stage is 2 meters longer than the other.If the diagonal is 10 meters, then what are the lenghths of the sides?
Click here to see answer by nerdybill(6962)

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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, 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