Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 190404: How do you factor ? I only remember how to factor problems in the form
Click here to see answer by solver91311(16868)

Question 190404: How do you factor ? I only remember how to factor problems in the form
Click here to see answer by jim_thompson5910(28476)

Question 190437: Is it possible for a quadratic equation to have no real solution? give an example of a quadratice polynomial equation that has no real number as its solution. Explain your answer
Click here to see answer by Mathtut(3670)

Question 190496: the distance,h, traveled in,t, seconds by an object dropped from a height is h=-16t^2+s. if an object is dropped from an initial height,s, of 180 feet, how long will it take before the obect hits the ground? round to the nearest 0.01 second
Click here to see answer by Alan3354(30924)

Question 190554: Could I have help in solving the following word problem. Thank you. If 48 square inches are subtracted from the area of a square table, the result would be equal to twice the perimeter. What is the length of the side of the table.
Click here to see answer by dowell(1)

Question 190555: I have a world problem, not sure if I solved it correctly. Could I have some help, thank you. A picture frame is 14cm by 18cm. There are 192cm2 of the picture showing. Find the width of the frame. I have 2cm. Is this correct. Thank you.
Click here to see answer by nerdybill(6948)

Question 190552: I have a world problem that I need help solving. Thank you. The hypotenuse of a right triangle is 26 ft long. One leg is 14 ft longer than the other. Find the length of the shorter leg.
Click here to see answer by nerdybill(6948)

Question 190570: The original problem is: 5 + 1/x-1/x^2=0
I don't know how they reset it as: 5x^2+x-1=0
Please assist in this determination. Thank you.
Click here to see answer by nerdybill(6948)

Question 190580: Could I have some help on the following problem, can't seem to solve. The hypotenuse of a triangle is 10ft long. The longer one is two feet longer than the other. Find the length of the shorter leg.
Click here to see answer by Earlsdon(6287)

Question 190583: Could I have some help figuring out this problem. Thank you. The hypotenuse of a right triagle is 4 inches long. One leg is 1 inch longer than the other. Find the length of the shorter leg. Round to the nearest tenth.
Click here to see answer by nerdybill(6948)

Question 190576: Foul ball. Suppose Charlie O’Brian of the Braves hits a baseball straight upward at 150 ft/sec from a height of 5 ft.
a) Use the formula to determine how long it takes the ball to return to the earth.
b) Use the accompanying graph to estimate the maximum height reached by the ball.

Click here to see answer by Alan3354(30924)

Question 190577: I'm having problems trying to figure out a problem, keep getting confused trying to figure it out. A picture frame is 20cm by 12cm. There are 84cm2 of picture showing. Find the width of the area not covered by the picture, assuming the picture is the same shape as the frame and is centered on the frame.
Click here to see answer by scott8148(6628)

Question 190611: Find all solutions to x^6+7x^3-8=0
Click here to see answer by stanbon(57203)

Question 190630: I need to find value of d in the following problem. Perfect square
y^2-10y+d
Click here to see answer by jim_thompson5910(28476)

Question 190630: I need to find value of d in the following problem. Perfect square
y^2-10y+d
Click here to see answer by Earlsdon(6287)

Question 190698: 5x^4 + 14x^2 - 3 = 0
Click here to see answer by Alan3354(30924)

Question 190707: please help me solve this equation
y=x^2-10x+2
Click here to see answer by Alan3354(30924)

Question 190699: (x-13)sqrt=20 If someone can help with this one I cannot understand how to factor and find solution
Click here to see answer by Alan3354(30924)

Question 190718: 2x^2 - 7x -15=0 solve using the method of factorization. Ivolve by factoring)
Click here to see answer by nerdybill(6948)

Question 190717: (5x +2)^2=9 Solve
Click here to see answer by Alan3354(30924)

Question 190786: Write a quadratic equation in the varible x having the given numbers as solutions, Type the equation in standard form ax*+bx+c=0. Solution is 2. I do not understand how to go about to getting the equation when I have other information except the solution.
Click here to see answer by stanbon(57203)

Question 190782: (x-13)squared =20, The question is (x-13)to the 2nd power = 20. My question how do I factor this.
Click here to see answer by stanbon(57203)

Question 190782: (x-13)squared =20, The question is (x-13)to the 2nd power = 20. My question how do I factor this.
Click here to see answer by Alan3354(30924)

Question 190779: The question is , the lenght of a rectangle is twice the width. The area is 648sqrt. find the length and the width. I have never been very good at math and I have being trying to do this on my own but can not seem to understand how word problems work.
Click here to see answer by stanbon(57203)

Question 190795: I have a question that I am having trouble with.
It is about venture capital. A man invested 12,000 in a new restaurant when the restaurant was sold 2 yearS later he received 27,000. I am to find the average annual return by solving the equation 12,000(i+r)^2=27,000

I have subtracted 12000 from each side giving me r^2=15000. This does not seems right. Am I on the right track? Can you please help?
Click here to see answer by solver91311(16868)

Question 190793: Can you please help? I am stuck on a problems this evening and am getting no where.
The one problem I would like to ask is:
There are 3 square wheat fields. A man observed that the side of one field was 1 kilometer longer than the side of the smallest field and the side of the largest field was 3 kilometers longer than the side of the smallest field. The total area of the 3 fields is 38 square kilometers. I am suppose to find the area of each field.
I have tried setting up with x+(x+1)+(x+2)=38 or x^2+3x+3x+9
Am I on the right track in finding the correct answer? Please help.
Click here to see answer by Alan3354(30924)

Question 190832: f(x)=(x-1)(x-3)/x^2+x-2
Click here to see answer by Mathtut(3670)

Question 190856: Write a quadratic equation having the given number as a solution
-5, only solution
Click here to see answer by Mathtut(3670)

Question 190849: 20^2+x^2=(2x)^2

Click here to see answer by checkley75(3666)

Question 190929: what 2 numbers when multiplied equal 24 but when added equal -10? or in other words
Thank you !!
Jalee Stafford
Click here to see answer by stanbon(57203)

Question 190990: A jar of dimes and quarters contains $15.25. There are 103 coins in all. How many of each are there?
Click here to see answer by Mathtut(3670)

Question 191139: xsquared-8x-9=0
Click here to see answer by stanbon(57203)

Question 191129: 4xsquared -x-18=0
Click here to see answer by checkley75(3666)

Question 191143: cAN i HAVE DECIMALS FOR MY SOLUTION?
Click here to see answer by solver91311(16868)

Question 191175: X^2 + 2X +1 = 81
How do I solve this?
Click here to see answer by Alan3354(30924)

Question 191152: give the usual ax^2 + bx + c form of the quadratic function wich has a= 1, and has two zeros z= 3 + 2i and z'= 3 - 2i
Click here to see answer by edjones(7569)

Question 191226: I need to know how to set three different equations that have the solution of 5. Solve your equations for your particular variable to prove the solution is 5.

Click here to see answer by stanbon(57203)

Question 191246: I need help in giving an exact and approximate solution to three decimal places. . x^2+6x+9=81
Click here to see answer by checkley75(3666)

Question 191250: Find the x values at which the following parabolas cross the x-axis.
a) y= x^2 + 5x + 4
b) y= x^2 + 4x + 5
Click here to see answer by Mathtut(3670)

Question 191249: Find the height, of a ball, above ground using the following information.
wait 2 seconds, velocity is 55 ft/sec, initial height above ground is 2 ft
Click here to see answer by solver91311(16868)

Question 191307: Solve for x
If the solutions are complex numbers, then give soulutions in the usual a + bi form
a) x^2 - 6x + 9 = 0
b) x^2 + 4x + 7 = 0
Click here to see answer by jim_thompson5910(28476)

Question 191323: Solve for X
4/x+3 - 2/x-3 = 2
Click here to see answer by stanbon(57203)

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, 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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, 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