Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 2143: Solve for x in the lowest possible terms. 2x^2=162
Click here to see answer by matthew_sessoms(39)

Question 2193: how do i solve
(1+X)/(2X)=9X using a quadratic formula?
Click here to see answer by matthew_sessoms(39)

Question 2128: Tell whether the graph opens up or down. Find the coordinates of the vertex. Write an equation of the axis of symmetry.
y=-9x(to the 2nd power) I don't know how to type to the 2nd power on the computer
Click here to see answer by matthew_sessoms(39)

Question 2244: I need to solve for x using the quadratic formula. How do I do this?
0 = (-100/(1+x)) + (230/(1+x)^2) + (132 /(1+x)^3)
thank you!
Click here to see answer by longjonsilver(2297)

Question 2233: how would you solve the equation x^-60=-11
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Question 2221: I dont get any of this and its hard for me to learn when the teacher doesnt take his time but anyways how do u get this problem step by step?
a=1/b=3/c=-10
For:ax square2 +bx+c=0
x=-b-&+b square2-4ac
I dont get this please help?
Click here to see answer by longjonsilver(2297)

Question 2216: How do you find the line of symmetry when you're dealing with quadratic equations?
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Question 2212: How do you like no how to like factor- like if you have 6x squared plus 13x plus 5 you know that 5 and 1 work and 2 and 3 and 3 and 2 and all but how do you no which set of numbers you use in your equation?
PLLLEEAASEEE help i have a test on thursday and i don't get this at all- thanks!
Click here to see answer by longjonsilver(2297)

Question 2302: find the maximum revenue for the revnue function R(x)= 140x - 0.02 x to the second power.
Click here to see answer by matthew_sessoms(39)

Question 2317: 6x square + 11x + 3 =0 using the quadratic formula
Click here to see answer by gsmani_iyer(180)

Question 2312: what are the steps to this question. radical x-3 = x-3.
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Question 2329: How much wood could a woodchuck chuck, if a woodchuck could chuck wood? Chuck chuck chuck squared-chuck.
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Question 2276: I'm trying to solve an equation I've been working on, but it's been a long time since my algebra days...
I want to solve this equation for t, as a function of x and p:
x = 2pt(1-t) + t^2
I get stuck when I smoosh around the terms to:
x = 2pt - 2pt^2 + t^2
I'm not sure if this can be reduced to a quadratic equation or not -- I'm stuck!
Is there a solution?
Click here to see answer by longjonsilver(2297)

Question 2307: Solve for x
4x^2 + 200x - 2400 = 0
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Question 2297: 1. Given equation: y=xsquared-4x+2
solve the system of equation fors for y=xsquared-4x+2 (substitution method).
thanks,
Ally

Click here to see answer by longjonsilver(2297)

Question 2294: 3x^2 - 3x^3 / x^3 - x
symplifying rational expressions
Click here to see answer by matthew_sessoms(39)

Question 2375: a chain store manager has been told by the main office that daily profit P is related to the number of clerks working that day. x according to equation P=-25x^2+300x. What number of clerks will maximize the profit and what is the maximum possible profit?
Click here to see answer by longjonsilver(2297)

Question 2378: i want to know how to get the values of a quadratic graphs
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Question 2386: Consider the general quadratic function f(x)=a(x-h)^2+k, where a, h, and k are real constants and (a) does not equal 0. Where does the graph of f(x) cross the y-axis? And if the vertex of the graph of f(x) is located at the point (2,3), how many x-intercepts are possible for the graph?
Click here to see answer by longjonsilver(2297)

Question 2352: when you are finding the surface area of a rectangular prism and you hav to find the polynomial in simplified form how do you get the answer? Because on the rectangular prism- the length and width is x+5 and the height is 3x-1 and i got 66x+-10 +12x squared and i think i did something wrong but i cant find out where? Pllleaase help asap, thankss!
Click here to see answer by longjonsilver(2297)

Question 2432: Find three consecutive whole numbers such that the product of the first and the second is 23 more than the third.
Click here to see answer by usyim88hk(157)

Question 2438: y=x(2)-5 find the vertex tell if it opens up or down left or right and focus and directrix
Click here to see answer by khwang(438)

Question 2420: what is the answer to the problem 0=x^2-12x+16
Click here to see answer by jojo2009002ojoj(2)

Question 2412: I need 3 simple examples of non factorable quadratic equations. (so you have to use the quadratic formula)
Click here to see answer by longjonsilver(2297)

Question 2445: A poster has dimensions that are 25 cm by 30 cm is surrounded by a border of uniform width. If the area of the border is 174 cm^2, find the outside perimeter of the border.
Click here to see answer by longjonsilver(2297)

Question 2444: One dimension of a square is increased by 10 meters and the other dimension is increased by 5 meters. The area of the new rectangle is three times that of the original square. How long was one side of the square?
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Question 2467: what is the quadratic equation of the co-orinates: Turning point= (7,3) and x-intercepts= (6,8)
Click here to see answer by khwang(438)

Question 2443: The lenth of a rectangle is 1 more than five times the width. If the area is 130 square cm, find the dimensions of the rectangle.
Click here to see answer by gsmani_iyer(180)

Question 2543: How do you factor one side of the equation completely and find the x-intercepts and y-intercepts for y= -8x2 + x ?
Click here to see answer by kiru_khandelwal(79)

Question 2539: 8x^2-x-7
THANK YOU!!!
Click here to see answer by kiru_khandelwal(79)

Question 2573: if a/x-b/y=c and xy=1/c, then bx=
Click here to see answer by kiru_khandelwal(79)

Question 2592: i really dont get quadratic equations.Can someone please help me understand?
Click here to see answer by chandra_ka(1)

Question 2602: i am a sophmore in highschool taking PreCal and i need help. I have to write a 50 word , word problem and explain how to solve it. I have to do this for about 11 different PreCal subcategories and Im almost completely clueless on quadratic equations. Can somebody please help me?
Click here to see answer by longjonsilver(2297)

Question 2598: solve the questions give below by factorization
(1)3x2+x=1 (2)4x2+9=12x (3)5x(x+2)=4(3x=1) (4)2x+7=x2 (5)x2-3x=3x=7 (6)3(4x-1)=x2
Click here to see answer by longjonsilver(2297)

Question 2620: find two numbers whose sum is 50and whose product is a maximum
Click here to see answer by khwang(438)

Question 2657: X/(X-3)+ (X-1)/(X+3)=2
Click here to see answer by kiru_khandelwal(79)

Question 2649: is v(v-3) = v^2 + 6 a quadratic equation and if so what is the solution?
Click here to see answer by kiru_khandelwal(79)

Question 2608: A toy store sells two sizes of circular dartboards. The larger of the two has a radius that is 3 inches greater than that of the other. The radius of the smaller darboard is t inches. Find a polynomial that represents the difference in area between the two dartboards.
Click here to see answer by kiru_khandelwal(79)

Question 2678: how do you find the discriminant of the quadratic equation -3x(multiplied by the exponent 2) + 2x-5=0?
Click here to see answer by longjonsilver(2297)

Question 2669: Solve equation below using the quadratic formula.
1. x2+4x+3=0
Im hoping you can help me and you know the fomula
Thank You,
Sarah

Click here to see answer by longjonsilver(2297)

Question 2687: I need help on the quadratic equation: 2x(to the 2square)-7x+5=0? How do you solve it?
Click here to see answer by kiru_khandelwal(79)

Question 2706: I cant seem to figure out how to factor or fit this into the quadratic equation *2xsquared-2* does the fact that there is NO "B" mean that the "B" is zero.
Click here to see answer by longjonsilver(2297)

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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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