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Question 1090508: Hi i am having a really difficult time trying to answer this question. Somebody please help me.
determine the number of points of intersection of the quadratic and linear functions f(x)=-3x^2-6x-10 and g(x)=-5x-2 without solving. explain.
Thank you.
Click here to see answer by Fombitz(32388)

Question 1090512: Hi can someone please help me answer this question? thanks so much
Describe three ways to determine the zeros of the quadratic function f(x)=-3x^2+27x-42. Solve for the zeros for each method.
Click here to see answer by Fombitz(32388)

Question 1090564: how many zeros are in the solution to the function g(x)=x^2-3x+4.
Click here to see answer by MathLover1(20849)

Question 1090556: HI can someone please help me out with this question? you don't have to answer everything if you don't want to. anything helps. thank you so much
A quadratic function is defined by f(x)=-3.7x^2+6.8x+4.2. A linear function is defined by g(x) = �0.5x + k.
a) Determine the A quadratic function is defined by . A linear function is defined by g(x) = �0.5x + k. value of k so that the line intersects the parabola at exactly one point. Write your answer to the nearest hundredth
b)Determine the values of k so that the line intersects the parabola at two points.
c) Determine the values of k so that the line never intersects the parabola.
Click here to see answer by greenestamps(13195)

Question 1090551: Determine the number of points of intersection of the quadratic and linear functions f(x)=-3^2-6x-10 and g(x)=-5x-2 without solving. Explain your answer.

Click here to see answer by ikleyn(52748)

Question 1090537: . A quadratic function is defined by f (x) = −3.7x^2 + 6.8x + 4.3 . A linear function is defined by g(x) = −0.5x + k
a) Determine the value of k so that the line intersects the parabola at exactly one point. Write your answer to the nearest hundredth.
b) Determine the values of k so that the line intersects the parabola at two points.
c) Determine the values of k so that the line never intersects the parabola.
Click here to see answer by josgarithmetic(39613)

Question 1090604: Examples of a quadratic equation in real life situations.
Click here to see answer by ikleyn(52748)

Question 1090563: The demand function for a new comic book is p(x)=-5x+30 where p(x) represents the selling price, in thousands of dollars and x is the number kd comic books sold, in thousands. What is the maximum revenue? Revenue =[p(x)](x)
Click here to see answer by Fombitz(32388)

Question 1090588: Hello,
I would like to know if it's possible to calculate the equation of a parabola from more than 3 coordinates (x;y).
I have done the equation for 3 coordinates:

Thanks in advance
Click here to see answer by Alan3354(69443)

Question 1090663: find the roots of this quadratic equation:
x^2-2x-15
Click here to see answer by josgarithmetic(39613)

Question 1090667: Justin can run 10 km in the same time that enzo can run in 12 km. If enzo can run 1 kph faster than justin, how fast can enzo run?
Click here to see answer by ikleyn(52748)

Question 1090526: The cost function for a container company is and the revenue function is , where x is the number of containers sold, in thousands.
a) Determine the profit function for the number of containers sold.
b) What is the maximum profit and what is the number of containers sold to reach to this maximized profit.
Click here to see answer by ikleyn(52748)

Question 1090527:
The cost function for a container company is and the revenue function is , where x is the number of containers sold, in thousands.
a) Determine the profit function for the number of containers sold.
b) What is the maximum profit and what is the number of containers sold to reach to this maximized profit.
Click here to see answer by ikleyn(52748)

Question 1090669: solve using the completing the square method:
25x^2-30xy+9y^2
I tried solving it and it turned out like this:
25x^2-30xy=-9y^2
25x^2-30xy+(-15y)^2=-9y^2+225y^2
(5x-15y)^2=216y^2
Did I do anything wrong?
Click here to see answer by ikleyn(52748)

Question 1090710: Write a jingle about Advanced Algebra.
Click here to see answer by Fombitz(32388)

Question 1090769: Solve the equations with the quadratic formula
x^2+ x+1=0
Click here to see answer by Alan3354(69443)

Question 1090769: Solve the equations with the quadratic formula
x^2+ x+1=0
Click here to see answer by ikleyn(52748)

Question 1090770: Solve the equations with the quadratic formula
x^2+ (7x)^2=25
Click here to see answer by ikleyn(52748)

Question 1090819: What are the roots of -16t^2 + 32t + 28=0
Click here to see answer by ikleyn(52748)

Question 1090820: Please help solve the quadratic inequality. Write the solution set in interval notation and kindly show the complete solution.
(x+1)>112-5x
Click here to see answer by ikleyn(52748)

Question 1090824: Sketch the graph of the function below. Please plot at least 5 points and show the complete solution.
f(x)= -2x^2+4x
Click here to see answer by MathLover1(20849)

Question 1090825: Sketch the graph of the function below. Please plot at least 5 points and show the complete solution.
f(a)=a^2-2a+5
Click here to see answer by ankor@dixie-net.com(22740)

Question 1090822: Sketch the graph of the function below. Please plot at least 5 points and show the complete solution.
f(r)=r^2-2r
Click here to see answer by Boreal(15235)

Question 1090823: Sketch the graph of the function below. Please plot at least 5 points and show the complete solution.
f(b)=-b^2-2b+3
Click here to see answer by MathLover1(20849)

Question 1090897: How do we factorise
36abc+63cd?
Click here to see answer by KMST(5328)

Question 1090902: Last summer the price of gasoline changed frequently. One station owner noticed that the number of gallons he sold each day seemed to vary inversely with the price per gallon. If he sold
2700
gallons when the price was
$4.30
how many gallons could he expect to sell if the price fell to
$4.00?
Click here to see answer by jorel1380(3719)

Question 1090890: This is a discussion based question. Please help.
How do you know when to rewrite square trinomials and difference of squares binomials as separate factors? How can sums and differences of cubes be identified for factoring?
Click here to see answer by ikleyn(52748)

Question 1090948: Please help me solve this problem below.
An object is launched into the air from a ledge 6 feet off the ground at initial vertical velocity of 96 feet per second. Its height H, in feet, at t second is given by the equation H = 16t^2+96t+16. Find all the times t that the object is at a height of 160 feet off the ground.
Click here to see answer by ikleyn(52748)

Question 1090950: Please solve the quadratic inequality. Write the solution set in interval notation and kindly show the complete solution.
(𝑥+1)>112−5𝑥
Click here to see answer by ikleyn(52748)

Question 1090947: Please help me solve the equation below by factoring. Kindly show the complete solution. Thanks.
2x^2+8x-25=0
Click here to see answer by greenestamps(13195)

Question 1090946: Solve the equation below by factoring, please show the compete solution.
10+6x-x^2=0
Click here to see answer by josgarithmetic(39613)

Question 1090946: Solve the equation below by factoring, please show the compete solution.
10+6x-x^2=0
Click here to see answer by ikleyn(52748)

Question 1091008: Find a+b+c if the graph of the equation y=ax^2+bx+c is a parabola with vertex (5,3), a vertical axis of symmetry, and contains the point (2,0).
Click here to see answer by josgarithmetic(39613)

Question 1091103: Determine the number of solutions of the linear system 15x + 5y =310 and 17x -4y=593
Click here to see answer by ikleyn(52748)

Question 1091129: Rachel is 5 years older than Haline. Six years from now, the sum of their ages will be 37. How old is Rachel now?
Click here to see answer by ikleyn(52748)

Question 1091140: Mrs.Abratique asked a carpenter to construct a rectangular bulletin board for her classroom. She told the carpenter that the board's area must be 18 square feet.
Questions: a) What are the possible dimensions of the bulletin board? Give at least 2 pairs of possible dimensions.
b) Draw a diagram to illustrate the bulletin board. Observe proper proportions. For accuracy of the diagram, please use the rating scale of 1 inch = 1 feet.

Click here to see answer by josgarithmetic(39613)

Question 1091154: Find an equation with integral coefficients whose roots are -2 and +2 with a leading coefficient of 2 all over 3.
Click here to see answer by ikleyn(52748)

Question 1091157: Please, help me solve this problem : What is the sum of the squares of the roots of (4x^2 - 9)^4 - 10(4x^2 - 9)^2 + 9 = 0.
Click here to see answer by ikleyn(52748)

Question 1091158: Please, help me solve this problem : Find the value of 1^2 + 2^2 - 3^2 + 4^2 -5^2
+ 6^2 - 7^2 + . . . + 2012^2 - 2013^2.
Click here to see answer by ikleyn(52748)

Question 1091147: Formulate quadratic inequalities involving the dimensions of the floors of the three rooms in your house and the measurements and costs of the tiles as per given data that follows; Bedroom, length at 142 sq.m and width at 112 sq.m, Living Room, length at 132 sq.m and width at 105 sq.m, Kitchen Room with length at 120 sq.m and width at 105 sq.m. Data for the tiles is as follows: Porcelain Tiles with length at 24 x 24, width at 24 and cost at 229.00, Grain Blast Tile with length at 12 x 24, width at 12 and cost at 110.00 and Hacienda Tiles with length at 16 x 16, width at 16 and cost at 63.00.
Find and graph the solution sets of your formulated quadratic inequalities.

Click here to see answer by ikleyn(52748)

Question 1091176: what is difference between greatest positive factor of 10 and the smallest multiple of 10?
Click here to see answer by MathLover1(20849)

Question 1091188: solve the following quadratic equation
x(x-3)(x+3) = 0
answer is x =0, x=3, x=-3 but I have no idea how to caulculate
Click here to see answer by MathLover1(20849)

Question 1091522: (2x-1)^2-2x
Click here to see answer by Alan3354(69443)

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