Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 884130: how to solve y+2 divided by y-1, minus 4-y divided by 2y equal to 7 divided by 3
I cant seem to understand it, please help

Click here to see answer by josgarithmetic(39617)

Question 884130: how to solve y+2 divided by y-1, minus 4-y divided by 2y equal to 7 divided by 3
I cant seem to understand it, please help

Click here to see answer by MathTherapy(10552)

Question 884203: Please help me solve this equation ; 6^2=x*(x+4)

Click here to see answer by josgarithmetic(39617)

Question 883736: A laboratory designed a radio telescope with a diameter of 320 feet and a maximum depth of 50 feet. The graph shows a parabola basing threw points (-160,50)(0,0)(160,50). What would be the equation for the parabola
Click here to see answer by Fombitz(32388)

Question 884292: Solve the equation for the indicated variable:
A = 6x^2 + 12xh; solve for x
The answer I come up with via the quadratic formula is x = -h +/- 2h(sqrt)6A
Apparently I am missing a key step as this answer is incorrect.
Click here to see answer by Fombitz(32388)

Question 883748: x>5y graph the solution
Click here to see answer by Fombitz(32388)

Question 884265: the dimension of a rectangular field are 50 m by 40 m. A flower bed is prepared inside this field leaving a graval path of uniform all around the flower bed. The total cost of laying the flower bed and gravelling the path at rupees 30 and rupees 20 per square meter respectively is rupees 52000. find the widht of gravel path
Click here to see answer by geetha_rama(94)

Question 884410: an open box is to be formed out of rectangular piece of cardboard whose length is 8cm longer than its width. To form the box a square of side 4 cm will be removed from each corner of the cardboard. Then the edges of the remaining cardboard will be turned up.
Click here to see answer by josgarithmetic(39617)

Question 884528: Solve for X in terms of K using quadratic formula:
(x-3)(2x+5) = x-15+K
I have this problem figured out correctly to the following point:
x=[2+- sqrt(4+8K)]/4
I'm having trouble reducing the problem to its simplest form. I know that the 4 and 8K in sqrt(4+8K) can be reduced somehow but I'm having issues with it.
Click here to see answer by josgarithmetic(39617)

Question 884403: the length of the rectangular garden is one more than twice its width. Its area is 80m^2. Express the length and width of the rectangular garden in terms of x. write the quadratic equation. find the lenght of the diagonal path across the garden.

Click here to see answer by josgarithmetic(39617)

Question 884542: I have 2 problems I need help, but it's quadratic equations word problems. SERIOUSLY!!
Problem 1:
Jim has a photo measuring 8 by 6 cm. He wants to half the area of the original photo by reducing the length and width by the same amount. What are the new dimensions of the photo?
Problem 2:
Bill mows a lawn measuring 100 by 120 feet. He mows only one-third of the lawn by mowing a strip of uniform around the outer edge of the lawn. What is the width of the strip?
Click here to see answer by josgarithmetic(39617)

Question 884592: how will you find the length of a side of a wall
Click here to see answer by Edwin McCravy(20055)

Question 884679: Solving quadratic systems. Also asked to state which conic section each equation represents. (Circle, parabolas, etc). Please explain how to solve 4x^2+9y^2=144
2x+3y=12 either by elimination or substitution. Also advise how would I know which conic section to chose.
Click here to see answer by josgarithmetic(39617)

Question 884741: Please help me complete the square for this equation: 9x^2+54x=18
Click here to see answer by richwmiller(17219)

Question 884741: Please help me complete the square for this equation: 9x^2+54x=18
Click here to see answer by josgarithmetic(39617)

Question 884749: Please help me complete the square for this equation: 36x=-4x^2-50
Click here to see answer by ewatrrr(24785)

Question 884591: if the remaining part of the wall is 6m2,what equation would describe its area

Click here to see answer by Alan3354(69443)

Question 884804: Solving Quadratic Equations by Completing the Square
1.x^2+6x=16
2.x^2+4x=45
3.x^2+8x=-8
4.x^2-12x=-18
5.x^2-10x=50
Click here to see answer by mananth(16946)

Question 884813: solve 16x^2-25 using the quadratic formula!

Click here to see answer by mananth(16946)

Question 884862: The height,h,(in feet)of a baseball that is popped up into the air is a quadratic function of the time, t(in seconds) since it was hit.
h=4+60t-16t^2
a)how high is the ball when it strikes the bat?
b)in how many seconds will the ball hit the ground?
c)at what time(s) will the ball reach a height of 40 feet?
d)at what time(s) will the ball reach a height of 80 feet?
e)when will the baseball reach its maximum height?
f)what is the maximum height of the ball?
Click here to see answer by solver91311(24713)

Question 884837: Did you agree that the equation 4x-3x=2x squared can be written in standard form in two different ways? Justify your answer

Click here to see answer by ankor@dixie-net.com(22740)

Question 884899: h=4+60t-16t^2
a)how high is the ball when it strikes the bat?
b)in how many seconds will the ball hit the ground?
c)at what time(s) will the ball reach a height of 40 feet?
d)at what time(s) will the ball reach a height of 80 feet?
e)when will the baseball reach its maximum height?
f)what is the maximum height of the ball?

please show some examples
Click here to see answer by solver91311(24713)

Question 884855: Sir,if x=-a is root of (x^2 3ax k), find the value of k.
Click here to see answer by solver91311(24713)

Question 884952: Let c who can crack dis
5 - 4 = 23
8 - 1 = 63
6 -16 = 32
9 - 9 = 78
3 - 9 = 6
3 - 81 = ?
Genius heads try this 
Click here to see answer by JulietG(1812)

Question 884998: Simultaneously solve y=x^2-2x-3 and y=x+1
Click here to see answer by Fombitz(32388)

Question 884986: Factor: (w-9)^2=12
Click here to see answer by Fombitz(32388)

Question 885032: Find the zeros of the given function by using the Quadratic Formula. Simplify and separate answers using a comma.
f(x) = x� + 7x + 10
h(x) = 3x� - 5
g(x) = -x� - 5x + 6
h(x) = 4x� - 5x � 6
f(x) = 3x� - 10x + 3
g(x) = x� + 6x
Click here to see answer by solver91311(24713)

Question 885031: Find the minimum or maximum value of the given function. Then state the domain and range of the function in words, not mathematical symbols.
f(x) = -2x� + 7x � 3
g(x) = 6x � x�
h(x) = x� - 4x + 3
f(x) = -(1/2)x� - 4
g(x) = -x� - 6x + 1
h(x) = x� + 8x + 16
Click here to see answer by solver91311(24713)

Question 885061: Find x-intercepts of the graph of the equation
y=x^2-3x+2

Click here to see answer by algebrapro18(249)

Question 885062: find x-intercepts of the graph of the equation
y=x^2-1
Click here to see answer by josmiceli(19441)

Question 885150: 2x^2(x+3x)-5=0
I dont understand how to get the solutions

Click here to see answer by josgarithmetic(39617)

Question 885342: please help me to solve this equation x^2-6x-41=0 by completing the square.
Click here to see answer by Tatiana_Stebko(1539)

Question 885342: please help me to solve this equation x^2-6x-41=0 by completing the square.
Click here to see answer by ewatrrr(24785)

Question 885432: want to solve the equation involving fraction
this is the equation y= -x^2/10+9x/10+11/5
Click here to see answer by josgarithmetic(39617)

Question 885432: want to solve the equation involving fraction
this is the equation y= -x^2/10+9x/10+11/5
Click here to see answer by MathTherapy(10552)

Question 885468: please help me to solve this equation; 2x^2-x<0
Click here to see answer by Theo(13342)

Question 885645: find the equation, in factored form, of the quadratic function with zeros -3 and -7 that passes through the point (-5, 4)
Click here to see answer by Theo(13342)

Question 885687: An 8 in. by 10 in. picture is matted and placed in a frame that will display a total of 143 in. of area. The mat provides a uniform border surrounding the picture. Determine the width of the mat.
Click here to see answer by josgarithmetic(39617)

Question 885727: Determine the equation of g(x) that results from translating the function
f(x)=(x+8)^2 to the right 14 units.
A. g(x)=(x-6)^2
B. g(x)=(x+22)^2
C. g(x)=(x+8)^2-14
D. g(x)=(x+8)^2+14
Click here to see answer by Edwin McCravy(20055)

Question 885812: Hi,
Here is a painful one for you.
200+225/(1+r)=5/(1+r)+480/(1+r)^2.
How can this mystery be solved? What are the steps involved?
Thanks,
Tausf
Click here to see answer by josgarithmetic(39617)

Question 885726: Select the appropriate values of x that are solutions to f(x)=0, where
f(x)=-6x^2+6x/3.
A. {-2.00,2.00}
B. {-6,6}
C. {-1.00,-0.50}
D. {-0.37,1.37}
Click here to see answer by josgarithmetic(39617)

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, 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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20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 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, 27136..27180, 27181..27225, 27226..27270, 27271..27315, 27316..27360, 27361..27405, 27406..27450, 27451..27495, 27496..27540, 27541..27585, 27586..27630, 27631..27675, 27676..27720, 27721..27765, 27766..27810, 27811..27855, 27856..27900, 27901..27945, 27946..27990, 27991..28035, 28036..28080, 28081..28125, 28126..28170, 28171..28215, 28216..28260, 28261..28305, 28306..28350, 28351..28395, 28396..28440, 28441..28485, 28486..28530, 28531..28575, 28576..28620, 28621..28665, 28666..28710, 28711..28755, 28756..28800, 28801..28845, 28846..28890, 28891..28935, 28936..28980, 28981..29025, 29026..29070, 29071..29115, 29116..29160, 29161..29205, 29206..29250, 29251..29295, 29296..29340, 29341..29385, 29386..29430, 29431..29475, 29476..29520, 29521..29565, 29566..29610, 29611..29655, 29656..29700, 29701..29745, 29746..29790, 29791..29835, 29836..29880, 29881..29925, 29926..29970, 29971..30015, 30016..30060, 30061..30105, 30106..30150, 30151..30195, 30196..30240