Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 85429: Simplify: x+2/x / x-2/3x
Click here to see answer by praseenakos@yahoo.com(507)

Question 85434: Solve. Express your answer in simplest form.
x/5x+10 / x-3/x+2 = 7/5
Click here to see answer by praseenakos@yahoo.com(507)

Question 85433: A plane took 1 hour longer to travel 560 miles on the first portion of a flight than it took to fly 480 miles on the second portion. If the speed was the same for each portion, what was the flying time for the second part of the trip?
Click here to see answer by rajagopalan(158)

Question 5195: please help me solve this equation using the quadratic formula

2x*1=2
2=2
Click here to see answer by quanika(1)

Question 85440: Solve. Express your answer in simplest form.
x/5x+10 + x-3/x+2 = 7/5
Click here to see answer by scianci(186)

Question 85436: Solve:
x/x-9 -4=9/x-9
Click here to see answer by scianci(186)

Question 85432: If one-half of a number is added to one-third of the next consecutive number, the sum is 67. What are the two numbers?
Click here to see answer by scianci(186)

Question 85431: Subtract. Express your answer in simplest form.

2/5 - y/y-2
Click here to see answer by scianci(186)

Question 85428: During rush hour, Fernando can drive 20 miles using the side roads in the same time that it takes to travel 15 miles on the freeway. If Fernando's rate on the side roads is 9 mi/h faster than his rate on the freeway, find his rate on the side roads.
Click here to see answer by scianci(186)

Question 85437: Subtract. Write your answer in simplest form.
y-2/y+3 / y/2y+6
Click here to see answer by scianci(186)

Question 85435: Divide:
/
Click here to see answer by scianci(186)

Question 85444: 1. Find two consecutive integers such that the sum of there square is 85.
2. A garden area is 30ft long and 20ft wide. A path of uniform width is set around the edge. If the remaining garden area id 400ft ^2, what is the width of the path?
Click here to see answer by scianci(186)

Question 85481: Write in simplest form
3x^5/15x^12
Click here to see answer by checkley75(3666)

Question 85504: ax2 + bx + c = 0 what is the value of the discriminat to the graph of y=ax2+bx+c.
Click here to see answer by stanbon(57290)

Question 85480: Simplify
3/x-5(+1)/(1)-4/x-5
Click here to see answer by stanbon(57290)

Question 85479: 3/x-5(+1)/(1)-4/x-5
Click here to see answer by stanbon(57290)

Question 85503: When using the quadratic formula to solve a quadratic equation
ax(squared)+bx+c=0, the discriminant is b squared-4ac. This discriminant can be positive, zero, or negative.
Please explain what the value of the discriminant means to the graph of y=ax squared bx+c.Choose the values of a,b and c to create a discriminant and graph the corresponding equation.
I do greatly appreciate your website and assistance.
Click here to see answer by jim_thompson5910(28546)

Question 85478: n^2-9-20/2n^2 x n^2+5n/n^2-25
Click here to see answer by jim_thompson5910(28546)

Question 85512: PLEASE HELP ME SOLVE THIS ONE AND EXPLAIN IT
y=ax2 + bx + c

Click here to see answer by stanbon(57290)

Question 85476: Explain what the value of the discriminate means to the graph of y=ax6+bx+c. Choose values of a,b,c to create a particular discriminate. Graph your corresponding equations.
Click here to see answer by rapaljer(4667)

Question 85558: x^2-6x+8=0
Solve using the quadratic formula.
Click here to see answer by jim_thompson5910(28546)

Question 85556: Can you please help me solve the following equation?
9xsquared-18x+10=0
Thank you.
Click here to see answer by jim_thompson5910(28546)

Question 85630: 15x + 2 sqrt x - 1 = 0 sqrt = square root of x
Solving equations in quadriatic form
please help if can

Click here to see answer by stanbon(57290)

Question 85629: 15x^4 - 13x^2 + 2 = 0
Solving equations in quadriatic form
please help if you can.

Click here to see answer by dolly(163)

Question 85629: 15x^4 - 13x^2 + 2 = 0
Solving equations in quadriatic form
please help if you can.

Click here to see answer by stanbon(57290)

Question 85644: 10 and -6
Write a quadriatic equation with the given solutions
please help if u can. thanks
Click here to see answer by stanbon(57290)

Question 85605: The length of a rectangle is 1 cm longer than its width. If the diagonal of the rectangle is 4cm, what are the dimensions (the length and the width) of the rectangle?
The equation h=-16t^2+112t gives the height of an arrow, shot upward from the ground with an initial velocity of 112ft/s, where t is the time after the arrow leaves the ground. Find the time it takes for the arrow to reach a height of 120ft?
A ball is thrown upward from the roof of a building 100m tall with an initial velocity of 20m/s. When will the ball reach a height of 80m?
The demand equation for a certain type of printer is given by...D=-200p+35,000. The supply equation is predicted to be...S=-p^2+400p-20,000. Find the equilibrium price?
Click here to see answer by ankor@dixie-net.com(15647)

Question 85616: Graph (show how came up answer)
1. y=x^2-4x
2. y=-x+1
3. y=x+1
4. y=2x^2

Click here to see answer by scianci(186)

Question 85782: Identify the axis of symmetry, create a suitable table of values and sketch the graph...
1. y=x^2-5x+3
2. y=-x^2+6x-2
Click here to see answer by stanbon(57290)

Question 85825: HELP!!!
tonisha hit a ball into the air with an initial velocity of 48 feet per second. the height h in feet of the ball above the ground can be modeled by h=-16t squared+48t+2, where t is the time in seconds after tonisha hit the ball. find the time it takes the ball to reach 38 feet above the ground.
Click here to see answer by bucky(2189)

Question 85900: in the problem f(x)=-x2-4x=5 Do I multiply the -x2 by a negative 1 to make it a positive before finding vertex, x-intercepts and y-intercepts?
Click here to see answer by jim_thompson5910(28546)

Question 85960: is the sqrt of 77 rational or irrational?
Click here to see answer by 303795(595)

Question 85955: Factor, -12x^3+36x^2
Click here to see answer by 303795(595)

Question 85959: Subtract & write in simplest form.
2x/x-3 - 6/x-3
Click here to see answer by tutor_paul(490)

Question 85962: multiply.
3xy^2(5xy-4x+6y)
Click here to see answer by tutorcecilia(2152)

Question 85957: multiply. (3x-1)(2x+5)
Click here to see answer by tutorcecilia(2152)

Question 85956: Factor, -12x^3+36x^2
Click here to see answer by tutorcecilia(2152)

Question 86031: the product of two consecutive negative integers is 72. What are the two integers?
Click here to see answer by tutor_paul(490)

Question 85958: Factor. 15x^2-19x-10

Click here to see answer by checkley75(3666)

Question 86039: Solve...
1.x^2=12
2.x^2-80=0
3.x^2+5=21
4.9x^2=14
5.(x-4)^2=3
6.(x+4)^2=4
7.5(x-2)^2=3
8.-9(x-3)^2=-7
Click here to see answer by checkley75(3666)

Question 86043: Help! I am a bit confused!
Here is my problem: "The square of the sum of a number and 5 is 36. Find the numbers."
Are they asking me to find the square of 31? (since 31+5=36)... I am a little lost...
Please help! Thank you!!
Click here to see answer by stanbon(57290)

Question 86037: Are the following trinomials perfect squares?
1. x^2-2x+1
2. x^2+4x-4
Find the constant term that should be added to make the following expression a perfect square trinomial.
x^2+8x
Find the constant term that should be added to make the following expression a perfect square trinomial.
x^2+3x
Click here to see answer by stanbon(57290)

Question 85963: List the terms & coefficients of the polynomial.
6x^4-8x^6-x^9-8
Click here to see answer by stanbon(57290)

Question 85964: write using positive exponents, and simplify if possible.
(-3x)-^2
Click here to see answer by stanbon(57290)

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