Questions on Algebra: Quadratic Equation answered by real tutors!

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Question 649752: Please help me solve this quadratic equation:
I am in college algebra. We are learning about the zero product rule and the square root property. The direction says to solve using any method.
Thank You
Click here to see answer by solver91311(24713)

Question 649961: How do you solve the problem: 40v^2-288v=-288 using the X-Method?
Click here to see answer by lynnlo(4176)

Question 649476: find k so that y=kx-4 and y=3x^2+x+2 intersect twice
Click here to see answer by htmentor(1343)

Question 650121: How to express the quadratic functions in the form of F(x)=a(x+k)power of 2+h
a f(x)=5x power of 2+7x+2
Click here to see answer by ewatrrr(24785)

Question 650116: Need help...how do you factorise the following equation
[(x+1)-(y-3)]^3
Click here to see answer by Alan3354(69443)

Question 650232: Is y=5x^2 a linear equation?
Click here to see answer by jim_thompson5910(35256)

Question 650228: Is y=-2/3x+4 a linear equation?
Click here to see answer by jim_thompson5910(35256)

Question 650230: Is y=-4x^s+3x-1 a quadratic equation?
Click here to see answer by jim_thompson5910(35256)

Question 650227: Is 5x^2 a linear equation?
Click here to see answer by sheldonbbtrocks(115)

Question 650227: Is 5x^2 a linear equation?
Click here to see answer by Alan3354(69443)

Question 650422: X2+13x+36
Click here to see answer by Alan3354(69443)

Question 650287: A company sells running shoes to dealers at a rate of $30 per pair if fewer than 65 pairs are ordered. If a dealer orders 65 or more pairs (up to 600), the price per pair is reduced at a rate of 4 cents times the number ordered. What size order will produce the maximum amount of money for the company?
Click here to see answer by MathTherapy(10552)

Question 650811: Factor out each of the trinomials completely .
Indecate any that are not factorable using integers
8x^2-30x+7

Click here to see answer by ewatrrr(24785)

Question 650811: Factor out each of the trinomials completely .
Indecate any that are not factorable using integers
8x^2-30x+7

Click here to see answer by Edwin McCravy(20054)

Question 650819: solve the equeation
2x^2+13x+6=0

Click here to see answer by ewatrrr(24785)

Question 650831: i need to factor out completely 7x^2-30x+8 and say if its factorable or not factorable...could you solve it step by step .. please
is it 7x^2-28x-2x+8=0

Click here to see answer by ewatrrr(24785)

Question 651360: twice a number increased by 35 is equal to the square of the number
Click here to see answer by ewatrrr(24785)

Question 651345: THE SUM OF THE SQUARE OF TWO CONSECUTIVE NUMBERS IS 2701. FIND THE NUMBERS.
Click here to see answer by Alan3354(69443)

Question 651391: How do you graph Y = x2 -6x +8?
Click here to see answer by ewatrrr(24785)

Question 651391: How do you graph Y = x2 -6x +8?
Click here to see answer by MathLover1(20849)

Question 651454: Find the roots of the quadratic equation x2 + 2x + 3 = 3x2 + 2x - 1. (Enter the smaller root in the first box and the larger root in the second box.)

Click here to see answer by ankor@dixie-net.com(22740)

Question 651774: what are the x intercepts of -x^2+4x+1
Click here to see answer by MathLover1(20849)

Question 651809: How would you find the inverse of x^2 − 4x − 21 on the restricted domain [2, infinity)?
Click here to see answer by lwsshak3(11628)

Question 651749: y=-x^2-4x+5
Click here to see answer by asuar010(338)

Question 652285: what are the X and y intercepts of x^2+5x+6

Click here to see answer by nerdybill(7384)

Question 630339: The revenue for a small company is given by the quadratic function r(t) = 15t2 + 7t + 830 where t is the number of years since 1998 and r(t) is in thousands of dollars. If this trend continues, find the year after 1998 in which the company's revenue will be $1412 thousand. Round to the nearest whole year.

Click here to see answer by GaryATVartac(1)

Question 652737: solve each equasion for x and check each solution: 7-4x = 3x^2
Click here to see answer by Aaniya(63)

Question 652996: Find all real solutions of the quadratic equation. (If there is no real solution, enter NO REAL SOLUTION.)
w^2 = 7(w − 3)

Click here to see answer by solver91311(24713)

Question 653470: Solve for the variable d.
F = g (m M)/d**2 text( (Newton's law of gravitation))
Click here to see answer by stanbon(75887)

Question 653470: Solve for the variable d.
F = g (m M)/d**2 text( (Newton's law of gravitation))
Click here to see answer by MathLover1(20849)

Question 653770: The sum of the digits of a two-digit number is 8. The number obtained by interchanging the two digits exceeds the given number by 36. Find the number.
Click here to see answer by ankor@dixie-net.com(22740)

Question 653903: What is the solution for t in the quadratic equation 16t^2 � 48t = 0?
Click here to see answer by jim_thompson5910(35256)

Question 654188: Please help me solve this equation: f(x)=4-x^2 using f(x+h)-f(x)/h
thank you

Click here to see answer by solver91311(24713)

Question 654288: If an object is thrown upward with an initial velocity of 96ft/sec,its height after t seconds is given by h(t)=96t-16tsquared. Find the maximum height of the object.
Click here to see answer by lwsshak3(11628)

Question 654299: graph the function using shifting, compressing, stretching, and/or reflecting.
f(x)=(x+2)^3-3
Click here to see answer by lwsshak3(11628)

Question 654596: Write the equation of the quadratic function with roots -1 and 1 and a vertex at (0, -3)
Click here to see answer by ewatrrr(24785)

Question 655001: Solve the quadratic equation 5x� � 21x + 4 = 0.
Click here to see answer by Edwin McCravy(20054)

Question 654681: find the least common multiple of 48, 60, 75
Click here to see answer by jim_thompson5910(35256)

Question 655375: Suppose x1 and x2 are two solutions of the equation x^2+bx+c=0.Find x_1+x_2 and x_1 x_2.
Hint: What are the solutions?

Click here to see answer by MathLover1(20849)

Question 655407: finding the area of a triangle that is 1 1/4yards and height 4/7 yard

Click here to see answer by Alan3354(69443)

Question 655988: If a football is kicked straight up with an initial velocity of 64 ft/sec from a height of 5 ft, then its height above the earth is a function of time given by h(t)=-16t^2+64t+5.
What is the maximum height reached by the ball in ft?
Click here to see answer by Alan3354(69443)

Question 656156: Zero`s of 6x*6x-5x+7 & 6x*6x+5x-7
Click here to see answer by MathLover1(20849)

Question 656215: Give the axis and vertex of the graph of
f(x) = 2x^2 + 16x + 33
Click here to see answer by lynnlo(4176)

Question 656211: Determine the value or values of "d" that complete the square for the expression x^2-12x+d
Click here to see answer by shweta(56)

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, 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, 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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