Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 4499: How would you factor x^2 + 10x + 8. It is part of a larger problem I am having alot of trouble with
Click here to see answer by pushpaharan(47)

Question 4524: {(x+2)-y}{(X+2)+y}
is this a perfect square
Click here to see answer by pushpaharan(47)

Question 4523: (3x+7) (3x+7)
Click here to see answer by xcentaur(357)

Question 4531: what are the other ways to find for the vertex

Click here to see answer by pushpaharan(47)

Question 4518: I'm trying to find a word problem that implements a real life situtation using the quadratic formula
Click here to see answer by pushpaharan(47)

Question 4455: Use the Binomial Theorem to expand and simplify . (2x+y)^6
Click here to see answer by pushpaharan(47)

Question 4464: solve for y: 24y +11 sqrt of y -18=0
Click here to see answer by pushpaharan(47)

Question 4570: Write the equation in standard form using only integers.
y = 2/3 x -4
Click here to see answer by ramanna(5)

Question 4571: Write an equation in slope-intercept form for the line.
Click here to see answer by ramanna(5)

Question 4241: find all of the roots for the equation:

Click here to see answer by khwang(438)

Question 4521: Let f(x)=x^2+x and g(x)=2x+1. Find and simplify the following:
.
a) (g o f)(x)
.
b) (f * g)(x) -- the o is colored in.
.
c) (f+g)(2)
.
d) (f-g)(3)
Click here to see answer by glitzgirl_14(11)

Question 4500: How would you factor x^2 + 10x + 8. It is part of a larger problem I am having alot of trouble with
Click here to see answer by glitzgirl_14(11)

Question 4454: Solve the following nonlinear system for x and y. Sketch a graph, showing the intersection points.
x + y = 7
and

x^2 + y^2 = 25

Click here to see answer by ichudov(499)

Question 4624: how would u add 4/x^3y + 7/xy^2?
Click here to see answer by longjonsilver(2297)

Question 4601: reduce to lowest terms:
x^2+5x+6/x^2-9
Click here to see answer by longjonsilver(2297)

Question 4628: #1: What number can be added to both the numerator and the denominator of 16/37 to produce a fraction equal to 5/8? To answer this, let x be the number in question.
#2: What number can be subtracted from both the numerator and denominator of 47/59 to produce a fraction equal to 7/9?
need help, final's coming up...please...
Click here to see answer by longjonsilver(2297)

Question 4623: how do u factor this out..having trouble: x^3 + 8y^3
Click here to see answer by longjonsilver(2297)

Question 4623: how do u factor this out..having trouble: x^3 + 8y^3
Click here to see answer by rapaljer(4667)

Question 4633: How does one find the particular equation of the quadratic function that passes through a vertex of (5, -1) and the point (8, -28)?
Click here to see answer by longjonsilver(2297)

Question 4627: A rancher wants to yield the maximum amount of edible beef off his square mile of land. At first he finds that as he adds more cattle, his yield goes up. However, if he overgrazes, the harvest goes down. An agricultural agent tells him that his yield will vary quadratically with the number of animals that he grazes. For five head of cattle, his production is 8,750 pounds of beef, and for 10 head, he reaps 15,000 pounds of beef. He has no production when he was grazing no cattle.
a) Define the variables, write the odered pairs, and find the particular equation of this function.
b) What number of cattle will give him his maximum profit in number of pounds?
c) What is this weight?
d) What is the domain and range of this function?

Click here to see answer by rapaljer(4667)

Question 4658: A rancher wants to yield the maximum amount of edible beef off his square mile of land. At first he finds that as he adds more cattle, his yield goes up. However, if he overgrazes, the harvest goes down. An agricultural agent tells him that hs yield will vary quadratically with the nnumber of animals that he grazes. For five head of cattle, his production is 8,750 pounds of beef, and for 10 head, he reaps 15,000 pounds of beef. He had no production when he was grazing no cattle.
a) Define the variables, write the ordered pairs, and find the particular equation of this function.
b) What number of cattle will gie him his maximum profit in number of punds?
c)What is this weight?
d) What is the domain and range of this function?
Click here to see answer by rapaljer(4667)

Question 4660: I am stuck on this problem, please help!
Complete the ordered pair so that is satisfies the given equation.
a=b^2+4b+5 (-2, ??) (??,2)
Thanks in advance for your help!!
Click here to see answer by Earlsdon(6294)

Question 4651: urgent....need help?
the difference of two numbers is 11, and their product is 42. Find these numbers.
choices:
a. -14 and 3
b. -3 and 14
c. pair -14 and 3, -3 and 14
d. pair -14 and 3, 3 and 14
respond asap
Click here to see answer by Earlsdon(6294)

Question 4650: What is the sum and product of the roots of 15x^2 - 30x + 13 = 0?

Click here to see answer by jainenderkapoor(61)

Question 4650: What is the sum and product of the roots of 15x^2 - 30x + 13 = 0?

Click here to see answer by khwang(438)

Question 4689: Find the discriminant and describe the natue of the roots.
3x^2 + 7x - 10 = 0
Click here to see answer by xcentaur(357)

Question 4689: Find the discriminant and describe the natue of the roots.
3x^2 + 7x - 10 = 0
Click here to see answer by arunpaul(104)

Question 4691: How do you find a solution set?

Click here to see answer by xcentaur(357)

Question 4684: find the solution set:
x^2 + y^2 = 8 and 16x + 4y^2 = 80
Click here to see answer by xcentaur(357)

Question 4695: To: xcentaur(44)
e.g. Find the solution set.
x^2+ y^2 = 8, and 16x + 4y^2 = 80
Click here to see answer by xcentaur(357)

Question 4646: sorry to bother u guys again...but ur help has taught me alot..thanks =)
#1 how do u do this.." The ratio of the measures of two complementary angles is 4 to 1. Find the measure of each angle?
also...
#2 A wire 60 inches long is cut into two pieces whose lengths have a ratio of 3 to 1. To find the length of each piece, let x be the length of the shorter piece. Since the wire is 60 inches long, and since the shorter piece is x inches long, what is the length of each piece...??
its confusing me...help...
Click here to see answer by longjonsilver(2297)

Question 4707:
How do I find the length of the sides of the original square? If each side of a square is increased by 10cm. The area of the resulting square is 9 times the area of the original square.
Click here to see answer by Earlsdon(6294)

Question 4690: Find the particular equation of the quadratic finction that passes thorough a vertex of (5, -1) and the point (8,28).
Click here to see answer by rapaljer(4667)

Question 4741: A 12 foot ladder is leaning against a wall. If the ladder reaches 8 feet high on the wall, what is the angle the ladder forms with the ground to the nearest degree?
Click here to see answer by longjonsilver(2297)

Question 4751: can you help me figure out how to solve this problem using the proper quadratic equation?
Ric cuts half a rectangular lawn, 40m by 30m, by moving strips of equal width around the perimeter.Darin cuts the small rectangle left. How wide a strip does Ric cut so that they share the work equally?
Thank you
Click here to see answer by longjonsilver(2297)

Question 4740: A kite on a 250 foot string makes a 58° angle with the ground. What is the height of the kite above the ground to the nearest foot?
Click here to see answer by ichudov(499)

Question 4738: A support cable for a 64 foot tower forms a 70° angle with the ground. What is the length of the cable to the nearest foot? Thankx
Click here to see answer by arunpaul(104)

Question 4787: If you solve a system of linear equations using the addition method, how do you recognize an inconsistent (no solution) system?
Is the following system of equations consistent or inconsistent? Show why.

4x - 2y = 20
-2x + y = -8
Click here to see answer by ichudov(499)

Question 4688: Find the x-intercepts of
Click here to see answer by Abbey(339)

Question 4812: why do you factor a quadratic equation before you solve?
Click here to see answer by Dannylion84(3)

Question 4808: Can you please give me the proper equation for (f o g)(3) given f(x) = 11x + 5 and g(x) = x2 + 8x?
Also, (g o f)(2), Given f(x) = 2x + 9 and g(x) = x2 + 7x.
Please keep in mind I have a math learning disability, so the simpler the explanation, the better I'll understand it. I'm 46 and if I don't pass this class, I don't graduate in May. :) Thanks for your help!
Click here to see answer by rapaljer(4667)

Question 4813: What square root property is essential to sove any radical equation involving square root?
Click here to see answer by ichudov(499)

Question 4796: Solve the problem:
The printed matter on a 12 by 18 centimeter page of a book must cover 40 square centimeters. If all margins are to be the same width, how wide should the margins be?
Click here to see answer by Earlsdon(6294)

Question 4626: how would you graph |x+1|=y? what does the | | mean?
Click here to see answer by Abbey(339)

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