Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 72240: Find the vertex for y=3(x-5)squared+2
Click here to see answer by jim_thompson5910(28504)

Question 72409: 1) Solve the following equations.
a) √X - 1= 3
Answer:
Show work in this space.

b) √x^3 =8
Answer:
Show work in this space.

c) 3^√x^2 =4
Answer:
Show work in this space.

Click here to see answer by pradhyumna.kumar@gmail.com(62)

Question 72416: what is the value of c in the formula c = square 2a^2 + b^2 if a=4 and b=5?
Click here to see answer by psbhowmick(529)

Question 72650: x(2x + 7) = -5
Click here to see answer by elima(1433)

Question 72650: x(2x + 7) = -5
Click here to see answer by Earlsdon(6287)

Question 72671: A rectangle scale used to weigh an elephant seal is 8 feet longer than it is wide. The area of the scale is 33 square feet. What are the dimensions of the scale?
Click here to see answer by Tutor Online(2)

Question 72727: when solving for quadric equations how do you get x equal to zero. do you do GCF?
Click here to see answer by stanbon(57246)

Question 72632: Technology. Driving down a mountain, Tom finds that he has descended 1800 ft
in elevation by the time he is 3.25 mi horizontally away from the top of the
mountain. Find the slope of his descent to the nearest hundredth.
Click here to see answer by ankor@dixie-net.com(15638)

Question 72822: Please help me solve this equation
Click here to see answer by jim_thompson5910(28504)

Question 72831: Please help me solve this

Click here to see answer by checkley75(3666)

Question 72866: i need help please.
write the quadratic equation in standard form.
-4x^2+2x=-7
Click here to see answer by checkley75(3666)

Question 72887:
Click here to see answer by rahman(247)

Question 71498: 6x^+12x-12=0

Click here to see answer by tulioalvarenga89(4)

Question 72910: Can you help me solve: A 5 in. photograph is surrounded by a frame of uniform width. The area of the frame equals the area of the photograph. Find the width of the frame.
Click here to see answer by checkley75(3666)

Question 72921: Can you please help me solve: A 5 in. by 7 in. photograph is surrounded by a frame of uniform width. The area of the frame equals the area of the photograph. Find the width of the frame.
Click here to see answer by don vito(18)

Question 72945: What is the monomial that can be factored out of 4x^2 + 12x + 16? is has four choices to choose from...
(a) 2
(b) 2x
(C) 4
(d) 4x
THanks!
Click here to see answer by funmath(2925)

Question 72946: This is the hardest question out of all!! the question is...
What are the solution(s) for the proportion x 1
----- = ----
5x+6 x
This also gives me four answers to choose from they are...
(a) 6, -1
(b) -6,-1
(c) 1, -1
(d) -6, 6

Click here to see answer by funmath(2925)

Question 72957: m^3+2m^2-3m=0 Solve each equation so Far i have
M(M^2+2m-3)=0
Click here to see answer by funmath(2925)

Question 72957: m^3+2m^2-3m=0 Solve each equation so Far i have
M(M^2+2m-3)=0
Click here to see answer by bucky(2189)

Question 72895: Please help me solve: A 5 in. by 7 in. photograph is surrounded by a frame of uniform width. The area of the frame equals the area of the photograph. Find the width of the frame.
Click here to see answer by ankor@dixie-net.com(15638)

Question 72958: 1/18h^2-1/2h+1=0
Solve each equation- I am not sure how to get started on this problem. HELP Please
Click here to see answer by ankor@dixie-net.com(15638)

Question 72991: Can you help me solve: A rectangle is 6cm long and 5cm wide. When each dimension is increased by x cm, the area is tripled. Find the value of x.
Click here to see answer by bucky(2189)

Question 72992: A rectangular animal pen with area 1200 m^2 has one side along a barn. The other three sides are enclosed by 100 m of fencing. Find the dimensions of the pen.
Click here to see answer by checkley75(3666)

Question 72999:
Click here to see answer by rmromero(383)

Question 73025: (1)use the arithmatic sequence of numbers 1,3,5,7,9,...to find the following:
a)what is d,the difference between any two terms?
answer:
show work:
b)using the formula for the nth term of an arithmetic sequence, what is the 101st term?
answer:
show work:
c) using the formula for the sum of an arithmeitc sequence, what is the sum of the first 20 terms?
answer:
show work:
d)using the formula for the sum of an arithmetic sequence, wht is the sum of the first 30 terms?
answer:
show work:
e)what observaton can you make about these sums of this sequence? express your observations as a general formula in "n".
Click here to see answer by stanbon(57246)

Question 72776: I am in dire need or assitance with the following questions and if anyone could assist me i WOULD BE SO GREATFUL!!!
(1)you are traveling North for 35km the you travel East 65km. how far are you from your starting point? N and E ca be considered the direstions of the y and x axis. Round to the tenths place.
Answer:
Show work:

(2)the volume of a cube is given by V=S^3. find the length of a side of a cube if the volume is 729cm^3.
Answer:
Show work:
(3)suppose you deposit $10,000 for two years at a rate of 10%.calculate the return (A) if the bank compounds annually(n=1). round answer to the hundreths place.
Answer:
Show work:(use ^ to indicate the power).
(A)calculate the return(A) if the bank compounds quarterly(n=4). round answer to the hundreths place.
Answer:
Show work:
Bank compounds monthly(n=12). Round answer to hundreths place.
Answer:
Show work:
Bank compound daily(n=365).round answer to hundreths.
Answer:
Show work:
what observation can you make about the size of the increase in your return as compounding increases more frequently?
Answer:
Click here to see answer by jim_thompson5910(28504)

Question 73104: A box with a square base and no lid is to be made from a square piece of metal by cutting squares from the corners and folding up the sides. The cut-off squares are 5 cm on a side. If the volume of the box is 100 cm^3, find the dimensions of the original piece of metal.
Click here to see answer by checkley75(3666)

Question 73102: Can you please help me solve: In a golden rectangle the ratio of the length to the width equals the ratio of the length plus width to the length. Find the value of this golden ratio. (do not approximate the answer)
Click here to see answer by jim_thompson5910(28504)

Question 73163: Hello, I got this question wrong on a test, so I was just wondering what I did wrong. Thanks for the help!
Find the Maximum or minimum value of y=1/3x^2+x+1 and determine for which value of x it occurs
Thanks again
Click here to see answer by ankor@dixie-net.com(15638)

Question 73164: I have one more question I couldn't figure out. Thanks for the help, your a life saver! Thanks
Find the maximum or minimum value of y=(x+9)(x-9) and determine for which value of x it occurs
Bunches and bunches of thanks
Click here to see answer by ankor@dixie-net.com(15638)

Question 73356: a rectangle parking lot has a length that is 3 yards greater than the width. The area of the rectangular lot is 180 square yards. find the length and the width.
Click here to see answer by ptaylor(2048)

Question 73413: what is y=X2+4x-9?
Click here to see answer by jim_thompson5910(28504)

Question 73415: what is y=-X2+2x+3
Click here to see answer by jim_thompson5910(28504)

Question 73416: what is y=5+16x-2xsquared
Click here to see answer by jim_thompson5910(28504)

Question 73389: A cylinder has a radius of 4in. If the volume of the cylinder is 48 pi inches cubed, what is the height?
Click here to see answer by Cintchr(481)

Question 73390: Solve for x;
7(3x+11) = 9(3-6x)
Click here to see answer by Cintchr(481)

Question 73390: Solve for x;
7(3x+11) = 9(3-6x)
Click here to see answer by bucky(2189)

Question 73388: Solve for x;
5(8-x) = 3x

Click here to see answer by bucky(2189)

Question 73387: Solve inequality for x
5 - 2x > 8

Click here to see answer by checkley75(3666)

Question 73546: 2x^2-x=6
Click here to see answer by bucky(2189)

Question 73554: Factor each Quadractic trinomial:
2c^2-10c-28
Click here to see answer by checkley75(3666)

Question 73556: Add a term to complete the square:
1) x^2+6x+______
2)x^2-16x+______
Solve by completing the square. Give exact solutions and approximate solutions to the nearest hundredth.
3) x^2-6x=6=0
These questions are not from the textbook. They are from a different worksheet.
Click here to see answer by checkley75(3666)

Question 73606: find solutions to equation x-5/x=4
Click here to see answer by ptaylor(2048)

Question 73671: A sum of $3500 is split between two investments, one paying 9% yearly interest and the other 11%. If the total yearly interest amounted to $354, how much was invested at each rate?
Click here to see answer by checkley75(3666)

Question 73669: One number is 100 larger than another number. If the larger number is divided by the smaller number, the quotient is 15 and the remainder is 2. Find the numbers
Click here to see answer by ankor@dixie-net.com(15638)

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