Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 88177: faxtor: 12w2+10w-8
factor 4k2+20k+25
factor: 16e2-4
factor: 3a2+9a+6
thank you for your help
Click here to see answer by SandySharma(35)

Question 88262: A rectangular garden is to be surrounded by a walkway of constant width. The garden�s dimensions are 30 ft by 40 ft. The total area, garden plus walkway, is to be 1800 ft2. What must be the width of the walkway to the nearest thousandth?

Click here to see answer by checkley75(3666)

Question 88446: I cannot figure out how to solve this quadratic equation.
Solve for x:
2x^2 + 3bx + b^2 = 0
Thank you,
Melody Salzer
Click here to see answer by stanbon(75887)

Question 88446: I cannot figure out how to solve this quadratic equation.
Solve for x:
2x^2 + 3bx + b^2 = 0
Thank you,
Melody Salzer
Click here to see answer by Earlsdon(6294)

Question 88446: I cannot figure out how to solve this quadratic equation.
Solve for x:
2x^2 + 3bx + b^2 = 0
Thank you,
Melody Salzer
Click here to see answer by checkley75(3666)

Question 88448: THe problem states: Solve by completing the square x^2 - 8x + 4 = 10.
Click here to see answer by Nate(3500)

Question 88505: 12x^3 +7x^2-5x=0
a. solve by factoring
b. what are the solutions(roots)
Click here to see answer by stanbon(75887)

Question 88512: use the quadratic formula to solve z^2-8z=-5
Click here to see answer by jim_thompson5910(35256)

Question 88588: I'm supposed to complete the square,
x^2-6x+
Thanks for your help!!
Click here to see answer by SandySharma(35)

Question 88583: Under what condition is the graph of a function f(x) said to be symmetric with respect to the y-axis.
Click here to see answer by stanbon(75887)

Question 88583: Under what condition is the graph of a function f(x) said to be symmetric with respect to the y-axis.
Click here to see answer by SandySharma(35)

Question 88587: Why do we call the equation "ax^2+bx+c=0" as quadratic equation?
Click here to see answer by dolly(163)

Question 88630: This is from a worksheet: Find two consecutive integers such that the sum of their squares is 85.
I have getten this far:
n^2+(n+1)^2=85
At some point I will have to divide each side by half?
Click here to see answer by jim_thompson5910(35256)

Question 88705: Solve the equation by using the square root method.
I am having a hard time figuring out this problem. Please help and show the steps involved.
Click here to see answer by jim_thompson5910(35256)

Question 88704: Solve the quadratic equation by factoring.
I am having a hard time figuring out this problem. Please help and show the steps involved.
Click here to see answer by jim_thompson5910(35256)

Question 88703: Solve the equation by using the square root method.
I am having a hard time learning this problem. Please show the steps involved in solving. Thank you
Click here to see answer by jim_thompson5910(35256)

Question 88727: can you please assist me with the following problems
1. use elimination to solved
x/3+4y=30
2x-y=5

6x-y/4=-9
3x+2y=-30

use subsitution to solved
y=x2+2x-2
y=3x+4
Click here to see answer by pramodkumar(2)

Question 88605:
Click here to see answer by malakumar_kos@yahoo.com(315)

Question 88728: cn you please assist me with the following algebra problems
1.solved the system of linear equation by grphing.
4x-y=6
3x+y=1

x+2y=5
x-y=2

y=x2-4
y=x-2

y=x2+5 and y=2x+4
thank you for your assistance
Click here to see answer by madhujiithcharu@yahoo.co.in(28)

Question 88748: Thanks for the help!
Click here to see answer by malakumar_kos@yahoo.com(315)

Question 88775: I am supposed to find the x intercept but am confused. Any help is appreciated.
y=x^2+x-6
Thanks
Click here to see answer by jim_thompson5910(35256)

Question 88836: Directions: solve quadratci expression by factoring. I do not see how it could be factored.
12x^2 + 17x - 5= 0

Click here to see answer by jim_thompson5910(35256)

Question 88933: Could someone help me with this one please. If you do not mind would you show me step by step how you came upon the answer? Thank you
Solve (x-5)^2=6
Click here to see answer by stanbon(75887)

Question 88950: m2+8m=-7
Click here to see answer by Earlsdon(6294)

Question 88962: Could you please help me solve the following equation by using the square root method? 9x^2-30x+25=-1
Thank you very much for any help you can provide.
Click here to see answer by stanbon(75887)

Question 88959: Could you please help me with the following problem? I am supposed to solve this equation using the quadratic formula. (1/y)-(1/y+5)=(1/4)
Thank you very much for any help you can provide.
Click here to see answer by jim_thompson5910(35256)

Question 89021: The equation h = -16t^2 + 112t gives the height of an arrow, shot upward from the ground with an initial velocity of 112 ft/s, where t is the time after the arrow leaves the ground. Find the time it takes for the arrow toreach a height of 180 ft.
Click here to see answer by jim_thompson5910(35256)

Question 89022: The demand equation for a certain type of printer is given by
D= - 200p + 35,000 The supply equation is predicted to be S= -p^2 + 400p - 20,000. Find the equilibrium price.
Click here to see answer by jim_thompson5910(35256)

Question 89055: factor completely:
12x^3-3xy^2
Click here to see answer by malakumar_kos@yahoo.com(315)

Question 89063: factor completely:
3x^2-5xy+3x-5y
Click here to see answer by malakumar_kos@yahoo.com(315)

Question 89062: the product of two consecutive positive even integers is 288. Find the integers.
Click here to see answer by malakumar_kos@yahoo.com(315)

Question 89061: factor by grouping:
x^3-3x^2+4x-12
Click here to see answer by malakumar_kos@yahoo.com(315)

Question 89066: solve:
(x+2)^2=12
Click here to see answer by malakumar_kos@yahoo.com(315)

Question 89065: solve:
(x+2)^2=3
Click here to see answer by malakumar_kos@yahoo.com(315)

Question 89064: solve:
5(x-2)^2=3
Click here to see answer by malakumar_kos@yahoo.com(315)

Question 89058: factor completely:
6x^2-xy-5y^2
Click here to see answer by malakumar_kos@yahoo.com(315)

Question 89056: factor completely:
y3-12y^2-36y
Click here to see answer by malakumar_kos@yahoo.com(315)

Question 89087: Describe what the graph of the following equation would look like, by providing a set of five x/y values centered around the axis of symmetry, stating the x-intercepts, and explaining whether the parabola would open up or open down and how you know.
y = x^2 � 1

Click here to see answer by stanbon(75887)

Question 89095: Multiply. Write the answer in scientific notation.
(2.4 x 10^�5)(4 x 10^�4)
Click here to see answer by josmiceli(19441)

Question 89097: Factor completely.
x^2 + 3x � 28

Click here to see answer by josmiceli(19441)

Question 89094: Write 1.23 x 10^�4 in standard notation.
Click here to see answer by josmiceli(19441)

Question 89094: Write 1.23 x 10^�4 in standard notation.
Click here to see answer by Edwin McCravy(20054)

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23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 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