Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 125012: find two consecutive odd numbers whose product is 255
Click here to see answer by jim_thompson5910(35256)

Question 125012: find two consecutive odd numbers whose product is 255
Click here to see answer by dolly(163)

Question 125017: the width of a rectangle is less than 27 cm in lenght.the area is 90 cm^2. find the lenght and width of the rectangle
Click here to see answer by stanbon(75887)

Question 125035: Translate the following into a quadratic equation, and solve it:
the length of a rectangluar garden is three times its width; if the area of the garden is 75 square meters, what are the dimensions?
Click here to see answer by solver91311(24713)

Question 125014: the difference between two times the square of a number and five times the number is 75. What is the number?
Click here to see answer by Edwin McCravy(20054)

Question 125099:
1.) 2x^2 - 5x � 10 = 0
2.) 3x^2 - 8x + 5 = 0
Click here to see answer by checkley71(8403)

Question 125220:
looked like a rectangle is 300 cm^2. the difference between length and width is 13 cm. find the lenght of the diagonal
Click here to see answer by checkley71(8403)

Question 125219: a number increased by twice the square root is 48. what is this number
Click here to see answer by checkley71(8403)

Question 125266: For questions 1-2, apply the quadratic formula to find the roots of the given function, and then graph the function.
1. (6 points) f(x) = x2 - 4
2. (6 points) g(x) = x2 - x - 12

Click here to see answer by Fombitz(32388)

Question 125323: What is the equation of the axis of symmetry of the function y=-2x^2-20x-47? I think the answer is x=-5 but I'm not sure. Can someone please explain?
Click here to see answer by jim_thompson5910(35256)

Question 125332: If a person earns an annual interest rate of 7% on an investment of $1500.00. Write the function that shows how much money the investor has at t,in years.
I think the answer is P(t)=1500(1.07)^t. Can someone please tell me if I am correct ?
Click here to see answer by Earlsdon(6294)

Question 125331: Simplify: (2^-1 - 3^-1)/((5/6))^-1) I think the answer is 5/36 but I'm not sure. Can someone please help me?
Click here to see answer by solver91311(24713)

Question 125331: Simplify: (2^-1 - 3^-1)/((5/6))^-1) I think the answer is 5/36 but I'm not sure. Can someone please help me?
Click here to see answer by cmerrill666(3)

Question 125322: What are the zeros of f(x)=x-40+6x^2 ? I think the answer is (-16,15) but I'm not sure.
Click here to see answer by scott8148(6628)

Question 125398: 5x <_ 25
solve and graph
I am struggling to understand how to solve these types of problems.
please try to show me step by step this process in order for me to understand my algebra book... (I am going to post a few more questions) Thank you for taking the time to help me.
Click here to see answer by jim_thompson5910(35256)

Question 125442: The graph of y=x^2 has been transformed according to the mapping rule (x,y)-(x+3,3y-1). What would the new graph look like????
Click here to see answer by Edwin McCravy(20054)

Question 125320: What is the quadratic function that has a vertex at (-1,-3) and a y-intercept of -4? I think the answer is y=-(x+1)^2-3. Can someone please let me know if I am correct?
Click here to see answer by ankor@dixie-net.com(22740)

Question 125483: How do i solve (3x-5)squard=12 by using the root propert?
Click here to see answer by josmiceli(19441)

Question 125483: How do i solve (3x-5)squard=12 by using the root propert?
Click here to see answer by MathLover1(20849)

Question 125435: Write the function to show a collectable doll that has doubled in value in 10 years. The initial value of the doll was $355.00.
I think it is y=355(2)^x/10 ???????????????
Click here to see answer by edjones(8007)

Question 125500:
3x^ -4x - 5 =0 use the quadratic formula
Click here to see answer by checkley71(8403)

Question 125441: What would the graph of the quadratic function with zeros 1/2 plus or minus sqrt7/3 look like ?
Click here to see answer by ankor@dixie-net.com(22740)

Question 125677: Use properties of exponents to simplify :
a) (9^1/2+25^1/2)^2
b) (25^-1/3)^-3/2
c) (a^6)/27)^-2/3

Click here to see answer by stanbon(75887)

Question 125680: Find the zeroes of the function without using technology:
y=(3^-2(x-4)) -sqrt27

Click here to see answer by stanbon(75887)

Question 125679: Solve for x:
A)(3^2x)-(10(3)^x) +9=0
B)(3^x)*(3^(x+3))/(27^x)*(9^2x)=729
Click here to see answer by uma(370)

Question 125683: the widthof a piece is 4 metres less than is length. the air in the room is 165 m^2. find the length and breadth of this piece
Click here to see answer by MathLover1(20849)

Question 125683: the widthof a piece is 4 metres less than is length. the air in the room is 165 m^2. find the length and breadth of this piece
Click here to see answer by checkley71(8403)

Question 125682: a number increased buy 3 time the square root is 28. what is this number
Click here to see answer by josmiceli(19441)

Question 125676: Use properties of exponents to simplify:
a)100^3/2
b)-9^1/2
c)3^1/2*27^1/2
d)((1/8)^-2)^1/3
e)((121^-1)^-1/2)/22)
Click here to see answer by stanbon(75887)

Question 125713: complete the square, and find the roots of the quadratic equation.
x2 - 2/3x = 0

Click here to see answer by MathLover1(20849)

Question 125675: Solve for the unknown variable:
a)sqrt9^x=27
b)8^(1/2x)=(2^7)*(4^9)
c)sqrt125^x=5/25^x Can someone PLEASE help me ???
Click here to see answer by solver91311(24713)

Question 125710: apply the quadratic formula to find the roots of the given function, and then graph the function.
f(x) = x2 + 4
g(x) = x2 + x + 12

Click here to see answer by checkley71(8403)

Question 125796:
solution of x�-5x+6=0 and 2x�-3x+1=0
Click here to see answer by Earlsdon(6294)

Question 125796:
solution of x�-5x+6=0 and 2x�-3x+1=0
Click here to see answer by checkley71(8403)

Question 125835: -54y to the fourth power + 24x Squared
How do i factor this as a difference of two squares?
Click here to see answer by checkley71(8403)

Question 125835: -54y to the fourth power + 24x Squared
How do i factor this as a difference of two squares?
Click here to see answer by Earlsdon(6294)

Question 125834: -54y to the fourth power + 24x Squared
How do i factor this as a difference of two squares?
Click here to see answer by checkley71(8403)

Question 125554: A designer attempts to arrange the characters of his artwork in the form of a square grid with equal numbers of rows and columns, but finds that 24 characters are left out. When he tries to add one more row and column, he finds that he has 25 too few characters. Find the number of characters used by the designer.
Click here to see answer by ankor@dixie-net.com(22740)

Question 125814: A rectangular garden has dimensions of 18 feet by 13 feet. A gravel path of equal width is to be built around the garden. How wide can the path be if there is enough gravel for 516 square feet?
Click here to see answer by checkley71(8403)

Question 125815: Some students planned for a get-together. The budget for food was $500. Five of the students failed to come because of the distance, and therefore the cost of food for each member increased by $5. How many students attended the get-together?
Click here to see answer by checkley71(8403)

Question 125617: how do you find the quadratic egaution of a quardratic parbolia? if the parbolia is grapghed for you and they just ask for the eguation.?
Click here to see answer by ankor@dixie-net.com(22740)

Question 125908: Solve by using the quadratic formula. x^2 + 5x � 14 = 0
Click here to see answer by jim_thompson5910(35256)

Question 125949: I need to solve this and I don't know why it is giving me a problem.
�9(x � 3)^2 = �7
Click here to see answer by Earlsdon(6294)

Question 125953: One team scored 4 runs less than the other team. The average of the squares of their scores was 53. What are their scores?
Click here to see answer by ankor@dixie-net.com(22740)

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, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 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, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 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