Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 22631: I'm stuck on some questions could i give u 2 of them and it might show me how to do the rest ...thank you
8(w-1)-7w
3(2m+4)+2(6-3m)
Click here to see answer by stanbon(57940)

Question 22600: First, if i got wrong type for my quastion, i'm so sorry, but i couldn't find the right type....

anyway, i want to know 'what are some real world applications for quadratic functions of technology?' And i also want to know 'why'.

Thank you for reading it.
i'm waithing the answers :)
Click here to see answer by stanbon(57940)

Question 21360: y=x2+x+4
Click here to see answer by Alwayscheerful(414)

Question 22692: 4x+2y=7
Click here to see answer by WoWLeaky(10)

Question 22769: 55*100-5+10
Click here to see answer by Alwayscheerful(414)

Question 22768: 55*100-5+10
Click here to see answer by Alwayscheerful(414)

Question 22973: Factor; 5y^4 +10y^3 - 35y
Click here to see answer by stanbon!(97)

Question 22907: NEED HELP WITH THESE QUESTIONS PLEASE..VERY IMPORTANT THANKS
1. For the relation y=-3(x+5)²-4
a) Find the equation of the axis of symmetry
b) Find the direction of opening
-
2. Write the equation below in vertex form by completing the square.
y=2x²+12x-3
-
3. For the quadratic relation 2xV+x-15=0
a)determine the number of real roots
b) solve the equation
-
4. Describe the transformation applied to the graph of y=x² to obtain the graph of y=½(x+6)²+12
Click here to see answer by stanbon!(97)

Question 22695: y=2/3x
Click here to see answer by stanbon!(97)

Question 23010: last question. I have a problem figuring out how to graph the quadratic function. I need to understand how to do this can someone explain it to me please. thank u very much. the question says begin by graphing the standard quadratic function f(x)=x^2. The use transformation of this graph to graph the given function. g(x)=-1/2(x-3)^2-3 i am not understanding it. Help please

Click here to see answer by rapaljer(4667)

Question 23005: When solving a rational equation, why it is OK to remove the denominator by multiplying both sides by the LCD, and why can you not do the same operation when simplifying a rational expression?
Click here to see answer by rapaljer(4667)

Question 23024: Can someone tell me if I have done this problem right?
(x+5)(x-4)=0
(x^2+5)(x+4)=0
x+5=0 or x+4=0
x=5 or x=4
Click here to see answer by rapaljer(4667)

Question 23023: I don't understanding any of this. can someone help??
(x-2)^2+x^2=10
Know how do I slove this???
Click here to see answer by venugopalramana(3286)

Question 23060: This is another problem how do I find the solution to this problem?
w^2-5w
Click here to see answer by eclecticist(12)

Question 23061: v^2+8v+6=0 can someone help me this one?
Click here to see answer by eclecticist(12)

Question 23061: v^2+8v+6=0 can someone help me this one?
Click here to see answer by josmiceli(9817)

Question 23059: This is problem,
F=mv^2/r for r.
What is the solution? Can someone help??
Click here to see answer by eclecticist(12)

Question 23064: -x^2-5x+1=0 can someone help with this. Thank you in advance.
Click here to see answer by eclecticist(12)

Question 23066: v=4/3pi^2h for h
what is the solution to this problem??
Click here to see answer by venugopalramana(3286)

Question 23074: WHAT IS SYNTHETIC DIVISION TO SOLVE A POLYNOMIAL.
Click here to see answer by stanbon!(97)

Question 23098: can you give me an example of a real life situation in which you would use the quadractic form?
Click here to see answer by NaiXLG(18)

Question 23067: Help me please I got x=4^2 is this right?
x^2+2/3x
Click here to see answer by gr8stsing3raliv3(4)

Question 23132: Please help me, I need a breif explanation of how the quadratic equation works, because I need to explain it in a problem, but I got the answer to it on my graphing calculator, and I never used it before in school. All I know about it is that is serves as a rule for the problem. Help!
Click here to see answer by stanbon!(97)

Question 23124: Can someone help me with this question, please?
One of the roots of the equation 4x^2-2px+p=0, p is not = 0 is two times the other root. Find the possible value of p.
Click here to see answer by venugopalramana(3286)

Question 23065: X^2+2/3x Can someone help me??
Click here to see answer by AnlytcPhil(1278)

Question 22831: how whoud you find the volume of a wine glass using the parabola
Click here to see answer by stanbon!(97)

Question 22385: Explain the differences in factoring
3a^2 - 12a and factoring 4a^2 - 16.

Click here to see answer by rapaljer(4667)

Question 21540: I could use help on learning whare to place ordered pairs in quadratic equations. I have been ought for a long time because of a illness, so any help is greatly appreciated. my teacher asks : Given the points on the graoh, find the particular equation of the quadratic function containing the given ordered pairs, write the equation in standard form y=ax^2 + bx + c.............
One set of ordered pairs I am given is : (1,6),(3,26),(-2,21).......Thanks for the help, peter
Click here to see answer by venugopalramana(3286)

Question 22651: help me to solve this equations:(X+5)(X-5)=-7
4x-13/x=3/2
If you rest to a square of a number 16 units the result is 15 times the number.whats the number?
Click here to see answer by venugopalramana(3286)

Question 22382: Explain what the Zero-Product Principle is and give an example of how it is used to solve a quadratic equation in standard form
Click here to see answer by venugopalramana(3286)

Question 22386: Explain how you use the 5 rules of exponents to simplify the following expressions. Do not leave any negative exponents in your answer.:
a. (x^10 · y^3)/(x^4 · y^5)
b. [(p^4 · q^5)/(r^3)]^2
c. (108r^2 · y)/(9r^3 · y^2)
d. (3x^2 · y^2) · (-5x · y^4)^2

Click here to see answer by rapaljer(4667)

Question 22197: please help me I need this solved using the quadratic formula:
2x^2-4x7=0
Click here to see answer by stanbon(57940)

Question 23190: Please help.....Solve. 4x – 0.35 = 3(x – 0.59)
Thank you vey much,
Sherri
Click here to see answer by stanbon(57940)

Question 21167: sorry,the 1st letter had some mistakes. hi.I have a question how can you find the coordinates of the vertex.Make a table of values,using x-values to the left and to the right of the vertex.
1.y=3x^2
how can we now "b" and "c" with this kind of equation.there`s no graphs sktechings.
Thank you.
Click here to see answer by venugopalramana(3286)

Question 23194: under waht situation would one or more solutions of a rational equation be unacceptable?

Click here to see answer by rapaljer(4667)

Question 23194: under waht situation would one or more solutions of a rational equation be unacceptable?

Click here to see answer by AnlytcPhil(1278)

Question 23202: Solve by graphing. If the solutions are not exact, estimate the answers by indicatinng the consecutive integer between which the root are located.
x2-4x+3=0

x2+6x-2=0

-x2+6x-5-0

x2+ 7x-8= 0
Click here to see answer by rapaljer(4667)

Question 23205: can you please help me solve this equation?
2h^2 - h -3 =0
Click here to see answer by rapaljer(4667)

Question 23224: Solve the quadratic equation 12x^2 - 3x = 0 by factoring
Click here to see answer by stanbon(57940)

Question 21820: You have 188 feet of fencing to enclose a rectangular region. What is the maximum area?
Click here to see answer by rapaljer(4667)

Question 21821: Solve the equation by making an appropriate substitution.
x 4 - 14x ² - 32 = 0

Click here to see answer by rapaljer(4667)

Question 21818: Solve the equation by making an appropriate substitution.
x 4 - 14x ² - 32 = 0

Click here to see answer by rapaljer(4667)

Question 21033: Why is it sufficient to define a quadratic function, in terms of a, b, and c?

Click here to see answer by rapaljer(4667)

Question 21069: Solve:
x-25/x=0 by square root method
Click here to see answer by rapaljer(4667)

Question 21166: hi.I have a question how can you find the coordinates of the vertex.Make a table of values,using x-values to the left and to the right of the vertex.
1.y=3x^2
how can we now "b" and "c" with this kind of equation.there`s no graphs sktechings.
Thank you.
Click here to see answer by stanbon(57940)

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