Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 963466: How do I set the equation to 0?
Click here to see answer by Fombitz(32388)

Question 963582: Graph f(x)=2x+5 and the reciprocal function on the same grid. Label all asymptotes and each function.
Thank You
Click here to see answer by Fombitz(32388)

Question 963782: Can someone please help me solve this questions
1. Find dy/dx for y = 5x^2 � 6x + 3
2. What is the tangent line to y = 5x^2 � 6x + 3 at (0,3)?
3. If it exists, what is Lim (f(3 +h) � f(3)) / h ?
Click here to see answer by Fombitz(32388)

Question 963800: The quadratic equation is
2x2+6x=4. How do I set it to 0? Do I zero out something?
By the way, it is 2X squared +6x=4
Click here to see answer by MathLover1(20849)

Question 963953: A garden measuring 8 meters by 9 meters is to have a pathway installed all the way around it. This will increase the total are to 90 square meters. What will be the width of the pathway ?
Click here to see answer by josgarithmetic(39617)

Question 963939: HI! Im having troubles with quadratic equations! i was hoping you could show me all the steps? My question is:
The Wheely Fast Co. makes custom skateboards for professional riders. they model their profit with the relation P= -2b^2 + 14b - 20, where b is the number of skate boards they produce (in thousands) and P is the company's profit in hundred thousands of dollars.
How many skateboards foe Wheely Fast need to produce to maximize profit?
Thank you so much!
Click here to see answer by MathLover1(20849)

Question 964028: Divide 20 into two parts such that three times the square of one part exceeds the other part by 10
Click here to see answer by amarjeeth123(569)

Question 964089: A frog jumps from a rock to the shore of a pond. Its path is given by the equation:y = -5/72x^2+5/3x , where x is the horizontal distance in inches, and y is the height in inches. What is the frog�s maximum height? How far had it traveled horizontally when it reached its maximum height?
Click here to see answer by macston(5194)

Question 963321: Find the remainder when 4x cubed +6x squared + 3x + 2 is divided by 2x + 3.
Click here to see answer by Fombitz(32388)

Question 963255: graph the quadratic function f(x) =x squared minus 6x plus 10. give axis domain and range then determine the interval of the domain for which the function is increasing and the interval for which the function is decreasing
Click here to see answer by Fombitz(32388)

Question 964079: A wire of length 200 cm is cut in to two parts and each part is bent to form a square . If the area of the larger square is 9 times that of the smaller square , find the perimeter of the larger square.
Click here to see answer by macston(5194)

Question 964032: The Royal Fruit Company produces two types of fruit drinks. The first type is 60% pure fruit juice, and the second type is 85% pure fruit juice. The company is attempting to produce a fruit drink that contains 75% pure fruit juice. How many pints of each of the two existing types of drink must be used to make 30 pints of a mixture that is 75% pure fruit juice?
Click here to see answer by ankor@dixie-net.com(22740)

Question 964308: A rock gardan is in the shape of a regular pentagon with side lengths of (2x-4) meters. If the perimeter of the garden is 60 meters, what is the value of x?
Click here to see answer by josgarithmetic(39617)

Question 964307: Rectangle ABCD has a width of (2m -3)units and a length of (4m+3) units. What is the area of rectangle ABCD?
Click here to see answer by checkley77(12844)

Question 964383: Rewrite in standard form:
Y= (x-4)squared
Click here to see answer by hkwu(60)

Question 964382: Rewrite in standard form
Y= (x-2)squared +3
Click here to see answer by hkwu(60)

Question 964416: 6=a/4=2
Click here to see answer by Alan3354(69443)

Question 964442: it says to divide (20n^3+2n^2+2n)/4n^3
Click here to see answer by Alan3354(69443)

Question 964550: The height of a triangle is 9 meters less than its base. The area of the triangle is 56 m^2. Find the length of the base.
Click here to see answer by Fombitz(32388)

Question 964461: A field is in the shape of a right triangle. The fence around the perimeter of the field measures 40m. If the length of the hypotenuse is 17m, find the length of the other two sides.
Click here to see answer by Fombitz(32388)

Question 964991: I need help finding the parabola of g(x)=1/2(x-2)^2-4. I know the vertex is (-2,4) but the graph shows (2-2sqrt2,0) and 2+2sqrt2,0) also (0,-2).
Click here to see answer by josgarithmetic(39617)

Question 965051: To make an eye-catching advertisement, the area of the ad not covered by media is modeled by the equation: A= -x^2 - 10x + 300. Is it possible to have hundred square inch of area not covered by media ?
Click here to see answer by Alan3354(69443)

Question 965141: is the square of a binomial. What is a possible value of k?

Click here to see answer by josgarithmetic(39617)

Question 965141: is the square of a binomial. What is a possible value of k?

Click here to see answer by MathTherapy(10551)

Question 965251: 5x^2-2-v=-v
Solve the equation showing all steps, simplify roots completely, simplify solution completely if it is rational, find imaginary solution and simplify into I form where applicable.
Click here to see answer by Fombitz(32388)

Question 965409: A side of a house is in the shape of an isosceles triangle which fits exactly on top of a rectangle. The rectangle is 4 times as long as it is high, and the altitude of the triangular part is 1m less than the height of the rectangle. The total area of the side is 60m^2. Find the height of the house.
Please and thank you!
Click here to see answer by josgarithmetic(39617)

Question 965420: solve the system of equations by graphing
5x-6y=-24
5x=6y-24
Click here to see answer by macston(5194)

Question 965436: Find two integers whose product is 105 such that one of the integers is one more than twice the other integer.
Click here to see answer by macston(5194)

Question 965437: The perimeter of a rectangle is 32 inches and the area is 60 square inches. Find the length and the width of the rectangle.
Click here to see answer by t0hierry(194)

Question 965441: The product of two consecutive odd integers is 143. Find the integers
Click here to see answer by amarjeeth123(569)

Question 965454: factorize the polynomial completely and verify the relationship between the zeroes and coefficient:
p(x)=x square + 6 x square - 4
Click here to see answer by josgarithmetic(39617)

Question 965512: (x-5)(x+6)how do i work this out
Click here to see answer by rothauserc(4718)

Question 965517: When 2x3+8x2+19 is divided by x+2, the quotient is 2x2+4x−8 and the remainder is 35.
Which of the following equations expresses the true relationship between the polynomials?

35(2x2+4x−8)+(x+2)

(x+2)(2x3+8x2+19)+35

(x+2)(2x2+4x−8)+35

(2x2+4x−8)(x+2)−35
Click here to see answer by MathLover1(20849)

Question 965608: factorise 5x+15x-17=0
Click here to see answer by macston(5194)

Question 965700: What is the equation of the axis of symmetry of the parabola. Y-2=(1/2)(x+3)^2?
Click here to see answer by josgarithmetic(39617)

Question 965700: What is the equation of the axis of symmetry of the parabola. Y-2=(1/2)(x+3)^2?
Click here to see answer by MathLover1(20849)

Question 965715: Divide 73 into two parts whose product is 402
Click here to see answer by amarjeeth123(569)

Question 965716: If a ball is thrown up with an initial velocity of 48ft per second. Its height s after t is given by the equation s = 48t-16ft^2. Find the maximum height attained by the ball and the time it takes for the ball to return to Earth
Click here to see answer by amarjeeth123(569)

Question 965766: Can someone please explain how i work this out? im finding it very difficult to understand.
The size of a colony of rare termites is related to the size of the colony�s
mound. The relationship can be modeled using the equation below:
ℎ = −N^2 + 25N − 5
Where N is thousands of termites and ℎ is the height of the mound in
centimeters.
Sketch the graph showing the relationship between the number of termites(x-axis)and the height of the mound (y-axis).Show the coordinates of the y-intercept only.
Click here to see answer by josgarithmetic(39617)

Question 965791: why does evaluating the discriminant determine whether a given height is possible

Click here to see answer by Fombitz(32388)

Question 965851: Find the lengths of the sides of a triangle if the hypotenuse is 10 centimeters longer than the shorter leg and 5 centimeters longer than the longer leg. i am having a hard time with the '5 centimeters longer than the longer leg' part. Thank you in advance.
Shorter leg = x
Hypotenuse = x+10
Longer leg = ?
Click here to see answer by macston(5194)

Question 966054: Concrete contracts as it dries. After drying, if the volume of a cubical concrete block decreased by 29cm^3 and each edge decreased by 0.10 cm, what was the orginial length of an edge of the block?
Click here to see answer by jim_thompson5910(35256)

Question 966060: Find the maximum height of the function:
g(x)= 16x squared + 32x +9
Click here to see answer by Alan3354(69443)

Question 966073: Please help me solve this problem.
Problems involving Quadratic Equation:
Number Relation problems
Bab
Problem no.1. The sum of three times the square of an odd integera and twice the integer is 33. Find the odd integer.
Thank you.
Click here to see answer by josgarithmetic(39617)

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, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 27136..27180, 27181..27225, 27226..27270, 27271..27315, 27316..27360, 27361..27405, 27406..27450, 27451..27495, 27496..27540, 27541..27585, 27586..27630, 27631..27675, 27676..27720, 27721..27765, 27766..27810, 27811..27855, 27856..27900, 27901..27945, 27946..27990, 27991..28035, 28036..28080, 28081..28125, 28126..28170, 28171..28215, 28216..28260, 28261..28305, 28306..28350, 28351..28395, 28396..28440, 28441..28485, 28486..28530, 28531..28575, 28576..28620, 28621..28665, 28666..28710, 28711..28755, 28756..28800, 28801..28845, 28846..28890, 28891..28935, 28936..28980, 28981..29025, 29026..29070, 29071..29115, 29116..29160, 29161..29205, 29206..29250, 29251..29295, 29296..29340, 29341..29385, 29386..29430, 29431..29475, 29476..29520, 29521..29565, 29566..29610, 29611..29655, 29656..29700, 29701..29745, 29746..29790, 29791..29835, 29836..29880, 29881..29925, 29926..29970, 29971..30015, 30016..30060, 30061..30105, 30106..30150, 30151..30195, 30196..30240