Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 277005: FACTOR COMPLETELY T^2-144
Click here to see answer by edjones(7569)

Question 277002: FACTOR COMPLETELY 2C^2-5CD-42D^2
Click here to see answer by edjones(7569)

Question 277084: FACTOR COMPLETELY X^2=64
Click here to see answer by checkley77(12569)

Question 277083: FACTOR COMPLETELY X^3=27
Click here to see answer by checkley77(12569)

Question 277083: FACTOR COMPLETELY X^3=27
Click here to see answer by Alan3354(30993)

Question 277103: what are the coordinates of the vertex of
p=-1/2s^2+280s-1200
Click here to see answer by Alan3354(30993)

Question 277147: 1) x squared - 4x + 5 = 0
2) C squared + 6c + 8 = 0
3) a squared - 2a = -1
4) n squared - 7n = -10
Click here to see answer by CharlesG2(828)

Question 277151: how do u solve this equation?
Click here to see answer by jim_thompson5910(28593)

Question 276998: What are the coordinates of the turning point of the graph with the equation y=3x^2+6x-1?
Click here to see answer by Alan3354(30993)

Question 277181: This is an application problem from a chapter on the quadratic formula.
The diagonal of a square is 2 m longer than a side. Find the length of a side.
Thank you.
Click here to see answer by solver91311(16877)

Question 277230: All of these need to be factored, please show your work. Because I don't understand how to do it.
112v ^3+ 34v ^2 - 6v
90s^2-195sw+100w ^2
p^2(x-r)-64(x-r)
Click here to see answer by JBarnum(2044)

Question 277211: What is the solution to (x+7)^4-5(x+7)^2=-6
Click here to see answer by jim_thompson5910(28593)

Question 277318: My son has 2 problems that seem impossible.
(1) 1/(x-1)-(2(3x+1)/5x-2)+1/(1-x)=0
(2)(7x+5)/6-(5(x-1))/4=1/3+8/(1-x)
Thank you for your help
Click here to see answer by stanbon(57332)

Question 277224: I would really just appreciate if someone can guide me an the formulas to use. This is credit, and we havent done this chapter. Much appreciated...
A miniature rocket is launched so that its height h in meters after t seconds is given by the equation h = -4.9t^2 + 19.6t + 10
a. draw a graph of the equation
b. how high is it after 3 sec?
c. what is the max height the rocket will attain?
d. How long after the launch will the rocket hit the ground?
Click here to see answer by Monarita(1)

Question 277566: a circle with a radius greater than 9 and area of A=3.14(xsquared-18x+81)how do I use factoring to find the radius of the circle?
Click here to see answer by stanbon(57332)

Question 277566: a circle with a radius greater than 9 and area of A=3.14(xsquared-18x+81)how do I use factoring to find the radius of the circle?
Click here to see answer by jim_thompson5910(28593)

Question 277565: 84=xsquared -17x+66 what are the possible values of x? with steps please
Click here to see answer by stanbon(57332)

Question 277104: I'm stuck on this question. Could you please help me figure it out?
x/x squared-16 minus 4/x squared + 5x + 4
Click here to see answer by ankor@dixie-net.com(15649)

Question 277635: This is an application problem int he quadratic equation chapter.
Thomas is going to make an open-top box by cutting equal squares from the four corners of an 11 inch by 14 inch sheet of cardboard and folding up the sides. If the area of the base is to be 80 square inches, then what size square should be cut from each corner?
I cannot figure out how to begin on this, so I really appreciate your help.
Click here to see answer by scott8148(6628)

Question 277656: I have searched everywhere reading everything... I do not know how to turn this problem into a quadratic equation. Sammy takes 5 hours longer to complete 300 lines of code than Martin. Together Sammy and Martin can complete the code in 6 hours. How long does it take each programmer to complete the code if they complete on their own. At what speed is each programming lines per hour
Click here to see answer by stanbon(57332)

Question 277647: WRITE (n-2)(3+(48/n))=48+22 in the standard form of a quadratic equation:
Click here to see answer by stanbon(57332)

Question 277681: Two cars leave an intersection. One car travels north; the other travels east.
When the car traveling north had gone 24 miles, the distance between the cars
was four miles more than three times the distance traveled by the car heading
east. Find the distance between the cars at that time.
Click here to see answer by mananth(12270)

Question 277834: Quadratic functions
I'm confused on how to set up and solve this problem. Among all pairs of numbers with a sum of 205, find the pair whose product is maximum.
Click here to see answer by checkley77(12569)

Question 277827: Can anyone help with the following problem?
g(x)=2x^2+6x+8
Click here to see answer by Alan3354(30993)

Question 277828: Can someone explain this problem on finding the vertex?
f(x)=-2-6x+3
Click here to see answer by Alan3354(30993)

Question 277823: Can someone help with finding the vertex in the folowing problem?
f(x)=x^2-7x+12
Click here to see answer by Alan3354(30993)

Question 277825: Can someone help with finding the vertex in this problem?
g(x) = x^2+4x+6
___
2

Click here to see answer by Alan3354(30993)

Question 277858: A jazz group on tour has been drawing average crowds of 500 persons. It is projected that for every $1 increase in the $12 ticket price, the average attendance will decrease by 50. At what ticket price will nightly receipts be $5600?

Click here to see answer by richwmiller(9135)

Question 277874: x^3+2x^2-3x=0
Click here to see answer by richwmiller(9135)

Question 277936: 2. You are trying to decide how to most efficiently use your oven. You do not want the oven running at a high temperature when you are not baking, but you also do not want to waste a lot of time waiting for the oven to reach the desired baking temperature.
The instruction manual on the industrial oven suggests the oven temperature will increase by 45 degrees Fahrenheit per minute. When the oven is initially turned on, the temperature is 70 degrees Fahrenheit. What will the temperature of the oven be after 7 minutes? Write an expression and explain how you arrived at your answer.

Click here to see answer by Theo(3460)

Question 278017: how do i factor 4x squared minus 81y squared
Click here to see answer by richwmiller(9135)

Question 278222: Solve By Factoring
1. 8x---Squared(2) - 2x = 0
Click here to see answer by jim_thompson5910(28593)

Question 278233: Solve by Factoring:
4y^2---(Squared)-11y=3
Click here to see answer by jim_thompson5910(28593)

Question 278242: Solve by Factoring:
m(m-6)=27

Click here to see answer by jim_thompson5910(28593)

Question 278244: Solve by Factoring:
2r^2(Squared)+6r-80=0
I have 2(r^2+3r-40)=0....so far, is that right.?

Click here to see answer by jim_thompson5910(28593)

Question 278254: hmm..ok.
I got,
2(r^2+3r-40)=0
2(r-5) (r+8)=0
r-5= 0 r+8= 0
+5 +5 -8 -8
r=5 r=-8....? Is that good
Click here to see answer by jim_thompson5910(28593)

Question 278347: Pls. help me to solve this equation: Find the vertex of
Click here to see answer by Theo(3460)

Question 278346: Pls. help me to solve this equation: Find the vertex of
Click here to see answer by Edwin McCravy(8908)

Question 278373: p=q2+5q+2 find the value of q corresponding to p=-2
Click here to see answer by jim_thompson5910(28593)

Question 278411: A picture frame is 22 cm by 15 cm. If 198 cm squared of picture shows, find the width of the frame. Assume the frame is even on all sides.
Click here to see answer by richwmiller(9135)

Question 278475: factor the quadratic expression y^2-8y+6
Click here to see answer by jim_thompson5910(28593)

Question 277692: Is it possible for a quadratic equation to have only one solution? Explain with an example.
Click here to see answer by Anthea Lawn(22)

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, 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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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