Questions on Algebra: Quadratic Equation answered by real tutors!

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Question 426927: what points go into 4x-3y=0
Click here to see answer by Alan3354(69443)

Question 426919: a rectangular painting has the dimensions x and x+10. the painting is in a frame 2 inches wide. the total area of the picture and the frame is 936 in. what are the total dimensions of the painting
this is my problme solving question and my formula for solving ( factoring ) was ( x+2) (x+12)=936 i multiplied out and got x�+14x+24=936. i just don't understand where to go after i use completing the square and getting x=-38 and x=29 how do i find the dimensions from two x values
Click here to see answer by jorel1380(3719)

Question 426954: 6x^2 - 7x - 5/ 3-x
(3x � 5)(2x + 1)/ 3 � x
After this point I have no idea what I'm doing.
The more i do it, the more I seem to drift from the rules of how to solve.
Can it be simplifies more than this?

Click here to see answer by Adrish(44)

Question 427167: what are the solutions to the equation x^2+7x=-12
Click here to see answer by josmiceli(19441)

Question 427200: I am trying to find a way to solve this problem.
A gravel path of equal width is to be built around a 8' by 8' square garden. How wide can the path be if there is enough gravel for 80 square ft?
Click here to see answer by unlockmath(1688)

Question 427241: how do i solve this quadratic eqaution 7x+36=x+4
Click here to see answer by rfer(16322)

Question 427241: how do i solve this quadratic eqaution 7x+36=x+4
Click here to see answer by richard1234(7193)

Question 426848: I need help I have solve this quadratic equation, and I want to know if its right is there a way to check?
...my answer is x=1+ - 2sqrt(5).
thank you.
Click here to see answer by robertb(5830)

Question 427178: The motion of an autombile acceleration away from traffic light is represented by the funcitond(t) = 9t^2, where t is the time in seconds and d(t) is the distanct covered by the automobile. Approximately how many seconds does it take for the automobile to travel 180 feet?
Click here to see answer by Alan3354(69443)

Question 427433: how do you find the domain in interval notation of 5x-4 over 3-2x
Click here to see answer by ewatrrr(24785)

Question 427436: how do you find the domain in interval notation of 3x^2-7x+5=11
Click here to see answer by shree840(260)

Question 427442: what is the x-intercept of y=x^2-2x-3?
Click here to see answer by John10(297)

Question 427442: what is the x-intercept of y=x^2-2x-3?
Click here to see answer by ewatrrr(24785)

Question 427441: What is the y-intercept of y=x^2-2x-3
Click here to see answer by ewatrrr(24785)

Question 427423: Find the following f[g(x)] if f(x)=3x-7 and g(x)=x^3-2x^2-x+1
Click here to see answer by John10(297)

Question 427479: What is the axis of symmetry of y=x^2-2x-3?
Click here to see answer by rfer(16322)

Question 427477: What is the vertex of y=x^2-2x-3?
Click here to see answer by rfer(16322)

Question 427490: find the domain in interval notation of f(x)= square root x^2-16 over x^2+5x+4?
Click here to see answer by Gogonati(855)

Question 427487: find the following g[f(x)] if f(x)=3x-7 and g(x)=x^3-2x^2-x+1
Click here to see answer by Gogonati(855)

Question 427550: Solve each equation

(a) p^2-8p=0

(b) (x-3)(x+5)=-7 (c) (3x+2)(x-3)=7x-1

Click here to see answer by stanbon(75887)

Question 427565: 25x^3 = 64x
25x^3 - 64x = 0
Not sure what to do after I set right side to 0
Click here to see answer by John10(297)

Question 427565: 25x^3 = 64x
25x^3 - 64x = 0
Not sure what to do after I set right side to 0
Click here to see answer by richard1234(7193)

Question 427602: If x is real, the value of 3x^2 + 9x + 17 divided by 3x^2 + 9x + 7 is ?

Click here to see answer by Alan3354(69443)

Question 427714: What is the inverse of the function f(x)=6-x/2
Click here to see answer by Gogonati(855)

Question 427774: determine the nature of solutions for
x^2-2x+7=0
1real
2real
2nonreal
Click here to see answer by ewatrrr(24785)

Question 427835: x^2-3x=28
i need to find the AOS, Vertex, Y-intercept, and X-intercept. i also have to graph it and use the the X-box and Quadratic formula.
please help me and thank you very much!!!!
Click here to see answer by rfer(16322)

Question 427847: Find two integers whose sum is 12 and whose squares differ by 24.
Here's what I tried.
x + y = 12 , x^2 - y^2 = 24
x = -y + 12
(-y + 12)^2 - y^2 = 24
y^2 - 24y + 24 - y^2 = 24
-24y + 24 = 24
-24y = 0
y = 0
x + 0 = 12
x = 12
But then it won't match the other problem?
Click here to see answer by richard1234(7193)

Question 427828: Determine whether f(x)=x^2-3 has inverses?
Click here to see answer by richard1234(7193)

Question 427828: Determine whether f(x)=x^2-3 has inverses?
Click here to see answer by robertb(5830)

Question 427855: Find the area and perimeter of an 4 1/2-by-21-inch piece of paper.
Area ? square inches
Perimeter ? inches
Please write down the steps to get the answer. Thanks
Click here to see answer by richard1234(7193)

Question 427854: A woman has a balance of $35 in her checking account. If she writes a check for $50, what negative number can be used to represent the new balance in her checking account?
-$ ?
Pls write down the steps to get the answer. Thanks
Click here to see answer by rfer(16322)

Question 427833: What is the domain in interval notation of square root 2x+7?
Click here to see answer by nerdybill(7384)

Question 427861: What number results if 11 is subtracted from the product of -6 and 5?
Please show me the steps to get the answer. Thanks

Click here to see answer by Ro0oR(2)

Question 427860: Four added to the product of 3 and -11 is what number?
Please show me the steps to get the answer. Thanks
Click here to see answer by stanbon(75887)

Question 427860: Four added to the product of 3 and -11 is what number?
Please show me the steps to get the answer. Thanks
Click here to see answer by Alan3354(69443)

Question 427879: What happens when the quadratic equation is no solution? For example,
x2+6x+10=0
A=1 B=6 C=10
D= b2-4ac
D=62-4(10)=-4
-4<0 no real solutions
What now?
Thank you :)
Click here to see answer by MathLover1(20849)

Question 428168: Find the maximum value of the function: y=-x^2+8x-4
Click here to see answer by solver91311(24713)

Question 428168: Find the maximum value of the function: y=-x^2+8x-4
Click here to see answer by nerdybill(7384)

Question 428188: What is the y value of
y = x^2 - 4x
when the value of x is -1 negative 1
or the value of is ix 1 positive 1
are they the same? why or why not?
can you show how you solved it?
Thanks so much.
Click here to see answer by rfer(16322)

Question 428164: Determine the quadratic equation with integral coefficients having the roots: 3/2 and -1/2
Click here to see answer by ankor@dixie-net.com(22740)

Question 428245: What the graph of the function f(x)=2x+7 on the interval [-4,10] looks like?
Click here to see answer by vleith(2983)

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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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, 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