Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 29795: I am working to understand how to determine when to use the different methods of solving a quadratic eqauation. I am sure that it is so simple I just cant see.
Thank you very your assistance.
k/2-k+2/k=5 Thanks again! I really do apprecite eveyting you are doing in daycare.
Click here to see answer by venugopalramana(3286)

Question 29793: We have been asked to do the following problem, for some reason it's just not sinking in. Any help that you could provide would be greatly appreciated.
One solution of 3x^2-7x+c=0 is 1/3. Find C and the other solution.
Thanks!
Lisa
Click here to see answer by venugopalramana(3286)

Question 29794: I know the following problem is supposed to lead to an eqaudratic equation, but I can't seem to get there. Please held !
Thanks!
4/3x-1/2(x+1)

Click here to see answer by sdmmadam@yahoo.com(530)

Question 29806: This is the problem:
"A garden area is 30ft long and 20ft wide. A path of uniform width is set around the edge. If the remaining garden area is 400ft(squared), what is the width of the path?"
My biggest challenge with this word problem is how to set it up using the quadratic equation. If I could figure out the values for a, b and c, than I could finish the problem.
Click here to see answer by longjonsilver(2297)

Question 29809: (x^2-x)^2 - 14(x^2-x) + 24 = 0
Click here to see answer by Cintchr(481)

Question 29892: What are examples of quadratic equations or applications with imaginary numbers?

Click here to see answer by jb007mi6(53)

Question 29895: a. if sin=-7/8,then the value of 1/cotA in the interval 3pi/2 b.What is the exact value of sin 5pi/6
c.sketch the graph of y=cos 2x and y=-0.5 over the domain -pi<-x<-pi.determine td,he exact values of x where these 2 graphs intersect.
Click here to see answer by venugopalramana(3286)

Question 29903: Please would anybody help me solve this problem I would appreciate it very much
Thank you
-x^2+3x-2=0
Click here to see answer by Cintchr(481)

Question 29903: Please would anybody help me solve this problem I would appreciate it very much
Thank you
-x^2+3x-2=0
Click here to see answer by Earlsdon(6287)

Question 29903: Please would anybody help me solve this problem I would appreciate it very much
Thank you
-x^2+3x-2=0
Click here to see answer by sdmmadam@yahoo.com(530)

Question 29894: a. if sin=-7/8,then the value of 1/cotA in the interval 3pi/2 b.What is the exact value of sin 5pi/6
c.sketch the graph of y=cos 2x and y=-0.5 over the domain -pi<-x<-pi.determine the exact values of x where these 2 graphs intersect.
d. draw a graph that represents a sine function in the form y=A sin B {x+C}+D or a cosine function in the form y=AcosB(x+C}+D. Write an equation of the graph in both forms
Click here to see answer by venugopalramana(3286)

Question 29984: the graph of y=tanA intersects the graph of y = -1 at?
what is an intercept of y=3sin2x?
Click here to see answer by longjonsilver(2297)

Question 29986: What are exact values of sin 7pi/6, tan2pi/3, sec7pi/4, sin(-19pi/6), tan 5pi/6
Click here to see answer by longjonsilver(2297)

Question 30039: x-2/x+6 >= 3
Please help me solve this equation
Click here to see answer by Fermat(127)

Question 30196: when a question asks you to show something algebraically, DO NOT substitute numbers for the variables and give me an example. On the other hand, when a question asks you to show something numerically or to provide an example, you may substitute numbers for the variables. Show all work
Solve for y: ln(y) + ln(2) = ln(ln(e2)).
Click here to see answer by sdmmadam@yahoo.com(530)

Question 30140: I need to solve these quadratic equations by factoring... p^2+8p+7=0, x^2=24-5x
m^2=4+3m,
Click here to see answer by ikdeep(226)

Question 30208: when a question asks you to show something algebraically, DO NOT substitute numbers for the variables and give me an example. On the other hand, when a question asks you to show something numerically or to provide an example, you may substitute numbers for the variables. Show all work.
Let p(x) = x4 - 6x3 + 11x2 - 6x. Using the fact that p(1) = 0, completely factor p (i.e., express p as a product of linear factors).
Click here to see answer by venugopalramana(3286)

Question 30224: Use the quadratic formula
x^2+8x+7=0
and
x^2+12m+11=0
Click here to see answer by checkley71(8403)

Question 30224: Use the quadratic formula
x^2+8x+7=0
and
x^2+12m+11=0
Click here to see answer by sdmmadam@yahoo.com(530)

Question 30224: Use the quadratic formula
x^2+8x+7=0
and
x^2+12m+11=0
Click here to see answer by atif.muhammad(135)

Question 30321: a traiffic lights follows the pattern green (50 seconds), yell (5 seconds), and red (25 seconds). What is the probability that a driver approaching this light will find it green or yellow?
Click here to see answer by Earlsdon(6287)

Question 30273: Can you help me solve the following:
1/2[5^x - 5^(-x)] = 3
5^(-x) is 5 raised to the power minus x
Click here to see answer by sdmmadam@yahoo.com(530)

Question 30206: when a question asks you to show something algebraically, DO NOT substitute numbers for the variables and give me an example. On the other hand, when a question asks you to show something numerically or to provide an example, you may substitute numbers for the variables. Show all work
Suppose g(x) = x2 + 1 and h(x) = 2x - 1.
a. What is (g◦h)(2)?
b. Express f(x) = (g◦h)(x) algebraically as a single expression.

Click here to see answer by sdmmadam@yahoo.com(530)

Question 30329: IF THE PRICE OF ORANGE REDUCES BY 20%A MAN CAN BUY 48 ORANGES MORE FOR RS 240.FIND THE ORIGINAL & REDUCED PRICE OF ORANGE PER DOZEN?

Click here to see answer by mukhopadhyay(490)

Question 30328: AX+BY=P
BX-AY=Q SOLVE FORX&Y

Click here to see answer by sdmmadam@yahoo.com(530)

Question 30327: AX+BY=P
BX-AY=Q SOLVE FORX&Y

Click here to see answer by mukhopadhyay(490)

Question 30418: The Keypad and the viewing windowof the TI83 graphing calculator is rectangular. The length of the rectangle is 2cm more than twice the width, and the area of the rectangle is 144cm2. Find the length and the width.
Click here to see answer by sdmmadam@yahoo.com(530)

Question 30561: Solve the problem
You have 188 feet of fencing to enclose a rectangular region. What is the maximim area?
How do I even get started here?

Click here to see answer by checkley71(8403)

Question 30560: Solve the equation by making an appropriate substitition.
x^4 - 14x^2 - 32 = 0
Thanks for helping me.
Click here to see answer by AnlytcPhil(1276)

Question 30560: Solve the equation by making an appropriate substitition.
x^4 - 14x^2 - 32 = 0
Thanks for helping me.
Click here to see answer by checkley71(8403)

Question 30559: Solve using the method of your choice. Simplify if possible.
(3x + 5)^2 = 6
thanks for all your help.
Click here to see answer by Cintchr(481)

Question 30563: Solve the problem.
An object is propelled vertically upward rom the top af a112-foot building. the quadratic function s(t) = 16t^2 + 176t + 112 models the ball's height above the ground, s(t), in feet, t seconds after it was thrown. How many seconds does it take until the object finally hits the ground. Round to the nearest tenth of a second if necessary.
Please help me. I am just not getting this. Thank you.
Click here to see answer by mbarugel(146)

Question 30565: Solve the rational inequality and graph the solution set in a real number line.
x - 6/x+ 0 > 0
Thanks!!!!!
Click here to see answer by Nate(3500)

Question 30582: I have to know how to find X and y intercepts algebraically and graphically. I have to give 2 examples on how to do them. and explain it. Please help.
Thank you
Click here to see answer by venugopalramana(3286)

Question 28728: Find the value or values of x in the quadratic equation x^2 = 6x-9
Click here to see answer by checkley71(8403)

Question 28732: Which of the following are the factors of x^3 + 3x^2?
Click here to see answer by checkley71(8403)

Question 28732: Which of the following are the factors of x^3 + 3x^2?
Click here to see answer by Nate(3500)

Question 28711: Find the value or values of n in the quadratic equation 2n^2-7n+6=0
Click here to see answer by checkley71(8403)

Question 28729: Find the value or values of y in the quadratic equation y^2+4y+4=7
Click here to see answer by checkley71(8403)

Question 30601: Can you tell me what I did wrong with this problem
m2-2m=15
m2-2m-15=0
(m+3)(m-5)
Click here to see answer by Cintchr(481)

Question 28634: Please help me solve this equation: .
Click here to see answer by checkley71(8403)

Question 30613: Solve each quadratic equation by factoring and applying the 0 product principle.
2x^2-x=1
answers= -5,2
3x^2-7x=0
answers= 0,7/3
Could someone please write out the steps for me?
Thank you!
Click here to see answer by Nate(3500)

Question 30248: show the value
f(x)=-3(x+2)^2+3
Click here to see answer by Nate(3500)

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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, 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, 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