Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 672813: y=-0.015x^2=+0.975x
where x is the distance the bird is from the slingshot and y is the height of the bird... How far can this slingshot launch the bird?
Click here to see answer by Alan3354(69443)

Question 672896: What do I do to model with a quadratic function when I get a tbchart of x and f of x with other numbers?
Click here to see answer by MathLover1(20849)

Question 673245: Find the length of the shorter leg of a right triangle if the longer leg is 12 feet more than the shorter leg and the hypotenuse is 12 feet less than twice the shorter leg.

Click here to see answer by solver91311(24713)

Question 673297: What is the vertex form of the equation?
y = x^2 + 4x � 3

Click here to see answer by ewatrrr(24785)

Question 673352: Solve
2x�+6x�=20x
2x�+6x�-20x= 0
2x (x�+3x-10)
(x+5)(x-2)=0
I am unsure if the correct solution set is {-5, 0, 2}
Click here to see answer by ewatrrr(24785)

Question 673543: Factor the GCF from the polynomial
24m^7n^2+15m^4^6=(type the answer in factored form)
Click here to see answer by ReadingBoosters(3246)

Question 673293: What is the graph of the equation?
y = �x2 + 2x + 3
Click here to see answer by ReadingBoosters(3246)

Question 673007: Graph the function: y=x^2
Click here to see answer by ReadingBoosters(3246)

Question 673658: using the equation; calculate the height of the gold ball at 25 seconds.
equation;-11/72x + 11/4x +1
Any help would be muchly appreciated! thankyou very much
Click here to see answer by radh(108)

Question 673786: which best describes the nature of the root of the equation?
5x^2-2x+6=0
Click here to see answer by ewatrrr(24785)

Question 673786: which best describes the nature of the root of the equation?
5x^2-2x+6=0
Click here to see answer by MathTherapy(10549)

Question 673662: using the equation; calculate the height of the gold ball at 25 seconds.
equation;-11/72x + 11/4x +1
Any help would be muchly appreciated! thankyou very much
Would i just put 25 as x, however i get a negative value and height cant be negative. Is this correct?
Click here to see answer by MathTherapy(10549)

Question 673955: using the equation; calculate the height of the gold ball at 25 seconds.
equation;-11/72x + 11/4x +1 =0
Any help would be muchly appreciated! thankyou very much
Would i just put 25 as x, however i get a negative value and height cant be negative. Is this correct?
Click here to see answer by fcabanski(1391)

Question 674161: using the equation; calculate the height of the gold ball at 25 seconds.
equation;-11/72x + 11/4x +1 = 0
Any help would be muchly appreciated! thankyou very much
Would i just put 25 as x, however i get a negative value and height cant be negative. Is this correct?
Click here to see answer by lynnlo(4176)

Question 674163: using the equation; calculate the height of the gold ball at 25 seconds.
equation;-11/72x^2 + 11/4x +1 = 0
Any help would be muchly appreciated! thankyou very much
Would i just put 25 as x, however i get a negative value and height cant be negative. Is this correct?
Click here to see answer by lynnlo(4176)

Question 674165: using the equation; calculate the height of the gold ball at 25 seconds.
equation;-11/72x^2 + 11/4x +1 = 0
Any help would be muchly appreciated! thankyou very much
Would i just put 25 as x, however i get a negative value and height cant be negative. Is this correct
Click here to see answer by lynnlo(4176)

Question 674166: sing the equation; calculate the height of the gold ball at 25 seconds.
equation;-11/72x^2 + 11/4x +1 = 0
Any help would be muchly appreciated! thankyou very much
Would i just put 25 as x, however i get a negative value and height cant be negative. Is this correct
Click here to see answer by lynnlo(4176)

Question 674313: Which steps transform the graph of y = x2 to y = �2(x � 2)2 + 2?
A.) translate 2 units to the left, translate down 2 units, stretch by the factor 2
B.) translate 2 units to the right, translate up 2 units, stretch by the factor 2
C.) reflect across the x-axis, translate 2 units to the left, translate down 2 units, stretch by the factor 2
D.)reflect across the x-axis, translate 2 units to the right, translate up 2 units, stretch by the factor 2
Click here to see answer by ewatrrr(24785)

Question 674342: What is the y intercept of the function y=4x�-1?
Click here to see answer by josmiceli(19441)

Question 674414: m^2-8m=-14
find value of discriminant
describe the number and type of roots
find the exact answer using quadratic formula
Click here to see answer by MathLover1(20849)

Question 674435: Find the equation of a parabola that has the given numbers as solutions:
a) x=-5
x=8
b) f(2/3)=0
f(2)=0
c) 2-3i
Click here to see answer by solver91311(24713)

Question 674561: Help please,
Find the equation of the quadratic function whose graph runs through points (3,2),(4,3),(5,2)
Click here to see answer by ankor@dixie-net.com(22740)

Question 674951: I really need some assistants with this equation.
(4x/9)(7x^2/8x/4
Click here to see answer by Alan3354(69443)

Question 674965: y=-3x^2-36x-96
Click here to see answer by ReadingBoosters(3246)

Question 675113: Use the quadratic formula to solve the equation.
�4x2 � 3x + 2 = 0
Click here to see answer by sachi(548)

Question 675108: 10+10*0+10=?
Click here to see answer by rm29924(97)

Question 675129: x2+12x-5=0
that is x squared+12x-5=0
this must be solved by the method for solving quadratis equation that came from India, that states-
it breaks down like this, a) move the constant term to the right side of the equation, b) multiply each term in the equation by four times the coefficient of the X squared term, c) squared the coefficient of the original X term and add it to both sides of the equation, D) take the square root of both sides, E) set the left side of the equation equal to the positive square root of the number on the right side and solve for x, F) set the left side of the equation equal to the negative square root of the number on the right side of the equation and solve for X
Thank you for your help and please show your work so I can understand how to do this. Thank you.
Click here to see answer by ewatrrr(24785)

Question 675123: using the method for solving quadratic equations from India, answer this question please.
2
X-2x-13=0
that is x squared -2x-13=0
Thank you for your help and please show your work so I can understand how to do this. Thank you.
I am sure you are aware of this method from India, it breaks down like this, a) move the constant term to the right side of the equation, b) multiply each term in the equation by four times the coefficient of the X squared term, c) squared the coefficient of the original X term and add it to both sides of the equation, D) take the square root of both sides, E) set the left side of the equation equal to the positive square root of the number on the right side and solve for x, F) set the left side of the equation equal to the negative square root of the number on the right side of the equation and solve for X
Click here to see answer by ewatrrr(24785)

Question 675306: how can I write -2x^2+12x+12 in standard form?
Click here to see answer by khurshidi(7)

Question 675318: find the co-ordinates of the points on the line X+5Y=13 at a distance of 2 units from the line 12X-5Y+26=0.
Click here to see answer by jsmallt9(3758)

Question 675205: The hypotenuse of a right triangle is 9cm less than two times the shortest leg.
The longer leg is 36cm. Find the length of the shortest leg of the right triangle and find the hypotenuse.
Please show all steps.
Thanks
Click here to see answer by jsmallt9(3758)

Question 675245: The value of a stock in dollars at the end of each month in 1992 varied according to the equation c(x) = 1/4x^2 - 2x + 6 where x represents the number of months.
a)For how many months did the stock decrease?
b)For how many months did the stock increase?
Click here to see answer by ewatrrr(24785)

Question 675395: A football initially on the ground is kicked in the air and follows a parabolic path after 2 seconds the football is 6 meters off the ground it reaches a maximum height of 8 meters after 4 seconds . Find the height of the football 7 seconds after the ball is kicked?
Click here to see answer by ankor@dixie-net.com(22740)

Question 675394: A certain type of medicine is kept fresh in a container . This container regulate the temperature of the drug to a narrow interval of degree Celsius . Find this narrow temperature interval by solving the following quadratic equation 4(x-0)^2-15=0. Round answer 2 decimal places.
Click here to see answer by lynnlo(4176)

Question 675503: A type of medicine is kept fresh in a container. This container regulates the temperature of the drug to a narrow interval in degree Celsius . Find this narrow temperature interval by solving the following quadratic equation 4(x-0)^2 - 15 =0 . Round answer 2 decimal places
Click here to see answer by ReadingBoosters(3246)

Question 675558: Find the discriminative:
6x-11x-10=0
Click here to see answer by Alan3354(69443)

Question 675556: Write a quadratic equation having the given solutions: -7, 8
Click here to see answer by Alan3354(69443)

Question 675528: A ball is thrown vertically upward with an initial velocity of 48 feet per second. If the ball started its flight at a height of 8 feet, then its height s at time t can be determined by s(t)=-16t^2+48t+8 where s(t) is measured in feet above the ground and t is the number of seconds of flight.
1)Determine the time it takes for the ball to attain its maximum height.
2)What would be the maximum height of the ball?
3)How long will it take for the ball to hit the ground?
Click here to see answer by lwsshak3(11628)

Question 675648: Find the quadratic function for which f(1)=6 , f(-2)=18 , and f(2)=6. I need help with this one. I am having a hard time figuring it out!
Click here to see answer by stanbon(75887)

Question 675681: The sides of a triangle are 3x,(x+1) and (4x-3). Find the actual dimensions of the triangle.

P.S. My teacher said to use Pythagoras' Theorem but I then I got stuck
Click here to see answer by Edwin McCravy(20054)

Question 675504: A football initially on the found is kicked in the air and follows a parabolic path after 2 seconds the football is 6 meters off the ground, it reaches its maximum height of 8 meters after 4 seconds. Find the height of the football 7 seconds after the ball is kicked?
Click here to see answer by jsmallt9(3758)

Question 675757: Write the quadratic function in the form f(x)=a(x-h)^2+k
Then, give the vertex of its graph f(x)=2x^2+20x+52

Click here to see answer by ewatrrr(24785)

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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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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