Questions on Algebra: Polynomials, rational expressions and equations answered by real tutors!

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Question 146140: FACTORING: 16y^2 + 24y + 9 there is no GCF of any of these numbers

Click here to see answer by jim_thompson5910(35256) About Me 

Question 146141: Factoring: 12y^2 - 11y + 2
Click here to see answer by jim_thompson5910(35256) About Me 

Question 146143: factoring: Problem - 3x^2 + 243
First answer 3(x^2 + 81)and then
I put 3(x + 9) * (x - 9), is this correct?

Click here to see answer by jim_thompson5910(35256) About Me 
Question 146143: factoring: Problem - 3x^2 + 243
First answer 3(x^2 + 81)and then
I put 3(x + 9) * (x - 9), is this correct?

Click here to see answer by solver91311(24713) About Me 
Question 146143: factoring: Problem - 3x^2 + 243
First answer 3(x^2 + 81)and then
I put 3(x + 9) * (x - 9), is this correct?

Click here to see answer by Earlsdon(6294) About Me 

Question 146165: Can you help me factor this problem?
16a^3 - 36a^2y + 14ay^2

Click here to see answer by scott8148(6628) About Me 

Question 146167: How do you completely factor this problem?
16a^3 - 36a^2y + 14ay^2

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Question 146166:
How do you factor this completely?
7x^2 + 49x + 42

Click here to see answer by nerdybill(7384) About Me 
Question 146166:
How do you factor this completely?
7x^2 + 49x + 42

Click here to see answer by scott8148(6628) About Me 

Question 146164: Factor completely:
8x^2 – 200y^2

Click here to see answer by scott8148(6628) About Me 

Question 146162: I am trying to remember how to factor a problem, can you help me?
Factor completely:
x^3 – 2x^2 + 7x – 14

Click here to see answer by jim_thompson5910(35256) About Me 
Question 146162: I am trying to remember how to factor a problem, can you help me?
Factor completely:
x^3 – 2x^2 + 7x – 14

Click here to see answer by Edwin McCravy(20054) About Me 

Question 146160: Factor completely



x^10y^3 – 4x^9y^2 – 21x^8y

Click here to see answer by jim_thompson5910(35256) About Me 

Question 146173: Factor and check: x^2 - 3xy - 4y^2
Click here to see answer by jim_thompson5910(35256) About Me 

Question 146172: The area of a triangle is A=(1/2) * (base) * (height), where height is the perpendicular height from the apex (point on top) to the base line. If the height of a certain triangle is 7 feet longer than its base, what is the polynomial that represents its area? (Let X = the base).
Click here to see answer by stanbon(75887) About Me 

Question 146178: 9a^6 - 48a^4 + 64a^2 factor expression completely, if expression is prime, so indicate. (Include the check of your answer using multiplication)

Click here to see answer by Earlsdon(6294) About Me 

Question 146189: I am taking a college calculus class afterm some time off and I cannot remember how to solve simplify a polynomial with division.
It is as follows: [(x+3/x+1)-2]/(x-1). What are the rules to remember and how would I begin solving this?

Click here to see answer by stanbon(75887) About Me 

Question 146188: I am taking a college calculus class afterm some time off and I cannot remember how to solve simplify a polynomial with division.
It is as follows: [(x+3/x+1)-2]/(x-1). What are the rules to remember and how would I begin solving this?

Click here to see answer by nabla(475) About Me 

Question 146233: find two consecuive positive integers if the difference of their reciprocals is 1/12
Click here to see answer by nabla(475) About Me 

Question 146232: Solve for v. assume none of the coefficients or variables are 0.
qv-4/3b = av+4/4b

Click here to see answer by Earlsdon(6294) About Me 

Question 146254: factor the polynomial

9a^6b^8c^6-4d^8

Click here to see answer by jim_thompson5910(35256) About Me 

Question 146261: how would i do this?
Factor the following polynomial completely.
y2 + 12y + 36=

Click here to see answer by jim_thompson5910(35256) About Me 

Question 146262: how would i do this?
Factor the following polynomial completely.
96x2 - 6y2 =

Click here to see answer by jim_thompson5910(35256) About Me 

Question 146286: Let R%28x%29=%28x%5E3-2x%5E2-7%29%2F%28x%5E6-2x%5E5%2B6x%5E2-4%29. How many vertical asymptotes are possible?
a)3
b)2
c)6
d)5

Click here to see answer by Edwin McCravy(20054) About Me 

Question 146308: 10-1/t=9/t^2
Click here to see answer by edjones(8007) About Me 

Question 146321: Can you please help me?

Perimeter of a rectangle. The perimeter of a rectangular backyard is 6x + 6 yards. If the width is x yards, find a binomial that represents the length.

Click here to see answer by edjones(8007) About Me 

Question 146320: Can you please help me?
Compounded semiannually. P dollars is invested at annual interest rate r for 1 year. If the interest is compounded semiannually, then the polynomial P (1 + r/2)^2 represents the value of the investment after 1 year. Rewrite this expression without parenthesis. Evaluate the polynomial if P = $200 and r = 10%.

Click here to see answer by checkley77(12844) About Me 

Question 146319:
Can you please help me?
Shrinking garden. Rose’s garden is a square with sides of length x feet. Next spring she plans to make it rectangular by lengthening one side 5 feet and shortening the other side by 5 feet. What polynomial represents the new area? By how much will the area of the new garden differ from that of the old garden?

Click here to see answer by checkley77(12844) About Me 

Question 146325: Factor (2y-7)squared - 36
Click here to see answer by edjones(8007) About Me 
Question 146325: Factor (2y-7)squared - 36
Click here to see answer by checkley77(12844) About Me 

Question 146318: I am not understanding how to work this problem out.
Area of a Parallelogram. Find a trinomial that represents the area of a parallelogram whose base is 2x + 3 meters.

Click here to see answer by checkley77(12844) About Me 

Question 146316: I do not understand how to do this problem.
Swimming space. The length of a rectangular swimming pool is 2x – 1 meters, and the width is x + 2 meters. Write a polynomial that represents the area. Find the area if x is 5 meters.

Click here to see answer by oscargut(2103) About Me 
Question 146316: I do not understand how to do this problem.
Swimming space. The length of a rectangular swimming pool is 2x – 1 meters, and the width is x + 2 meters. Write a polynomial that represents the area. Find the area if x is 5 meters.

Click here to see answer by checkley77(12844) About Me 
Question 146316: I do not understand how to do this problem.
Swimming space. The length of a rectangular swimming pool is 2x – 1 meters, and the width is x + 2 meters. Write a polynomial that represents the area. Find the area if x is 5 meters.

Click here to see answer by edjones(8007) About Me 

Question 146314: I am not understanding how to work this problem out.
Perimeter of a rectangle. The width of a rectangle playground is 2x-5 feet, and the length is 3x+9 feet. Write a polynomial P(x) that represents the perimeter and then evaluate this perimeter polynomial if x is 4 feet.

Click here to see answer by checkley77(12844) About Me 

Question 146373: Please help.
Perimeter of a rectangle. The perimeter of a rectangular backyard is 6x + 6 yards. If the width is x yards, find a binomial that represents the length.

Click here to see answer by nerdybill(7384) About Me 

Question 146371: Please help.
Present value. The present value P that will amount to A dollars in n years with interest compounded annually at annual interest rater, is given by P = A(1 + r) ^-n

Click here to see answer by stanbon(75887) About Me 

Question 146372: Please help.
Diameter of a circle. If the diameter of a circle 1.3 X 10^-12 meters, then what is its radius?

Click here to see answer by stanbon(75887) About Me 

Question 146370: Please help.
Sky divers. Bob and Betty simultaneously jump from two airplanes at different altitudes. Bob’s altitude t seconds after leaving the plane is -16t^2 + 6600 feet. Betty’s altitude t seconds after leaving the plane is -16t^2 + 7400 feet. Write a polynomial that represents the difference between their altitudes t seconds after leaving the planes. What is the difference between their altitudes 3 seconds after leaving the planes?

Click here to see answer by stanbon(75887) About Me 

Question 146369: Please help. I am lost.
Manufacturing shirts. If a manufacturer charges p dollars each for rugby shirts, then he expects to sell 2000 – 100p shirts per week. What polynomial represents the total revenue expected for a week? How many shirts will be sold if the manufacturer charges $20 each for the shirts? Find the total revenue when the shirts are sold for $20 each. Use the bar graph to determine the price that will give the maximum total revenue.

Click here to see answer by stanbon(75887) About Me 

Question 146403: If R(x) is a rational function, the R(x)<0 describes what?
a)The values of x that make R(x) positive in value
b)The values of R(x) that make x negative in value
c)The values of x that make R(x) negative in values
d)The negative values of x that make R(x) also negative

Click here to see answer by stanbon(75887) About Me 

Question 146402: What does the Linear Factorization Theorem assume about any polynomial of degree n?
a)That only linear functions can be factored
b)That the polynomial can be factored yielding n complex roots
c)That the polynomial cannot be factored unless one of the factors involves a complex solution
d)None of the above

Click here to see answer by stanbon(75887) About Me 

Question 146425: Find the value of d such that

u2-12u+d
is a perfect square

Click here to see answer by Fombitz(32388) About Me 

Question 146421: Can someone please help me with a couple of problems on polynomials finding the quotient and the remainder?
1) p(x)= 2x3-3x2+x-1
d(x) = x-3
2) P(x) = x3 - 9x2 + 15x + 25
d(x) = x-5
3) P(x) = x4 + 6x3
d(x) = x-1

Click here to see answer by Edwin McCravy(20054) About Me 

Question 146464: I need some help with some homework Please!!!!
The directions say: Solve the following polynomial equations using the zero factor property


3x^2 + 5x-2=0


2y^2-11y-40=0 thanks so much!!!!

Click here to see answer by Edwin McCravy(20054) About Me 

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, 30241..30285, 30286..30330, 30331..30375, 30376..30420, 30421..30465, 30466..30510, 30511..30555, 30556..30600, 30601..30645, 30646..30690, 30691..30735, 30736..30780, 30781..30825, 30826..30870, 30871..30915, 30916..30960, 30961..31005, 31006..31050, 31051..31095, 31096..31140, 31141..31185, 31186..31230, 31231..31275, 31276..31320, 31321..31365, 31366..31410, 31411..31455, 31456..31500, 31501..31545, 31546..31590, 31591..31635, 31636..31680, 31681..31725, 31726..31770, 31771..31815, 31816..31860, 31861..31905, 31906..31950, 31951..31995, 31996..32040, 32041..32085, 32086..32130, 32131..32175, 32176..32220, 32221..32265, 32266..32310, 32311..32355, 32356..32400, 32401..32445, 32446..32490, 32491..32535, 32536..32580, 32581..32625, 32626..32670, 32671..32715, 32716..32760, 32761..32805, 32806..32850, 32851..32895, 32896..32940, 32941..32985, 32986..33030, 33031..33075, 33076..33120, 33121..33165, 33166..33210, 33211..33255, 33256..33300, 33301..33345, 33346..33390, 33391..33435, 33436..33480, 33481..33525, 33526..33570, 33571..33615, 33616..33660, 33661..33705, 33706..33750, 33751..33795, 33796..33840, 33841..33885, 33886..33930, 33931..33975, 33976..34020, 34021..34065, 34066..34110, 34111..34155, 34156..34200, 34201..34245, 34246..34290, 34291..34335, 34336..34380, 34381..34425, 34426..34470, 34471..34515, 34516..34560, 34561..34605, 34606..34650, 34651..34695, 34696..34740, 34741..34785, 34786..34830, 34831..34875, 34876..34920, 34921..34965, 34966..35010, 35011..35055, 35056..35100, 35101..35145, 35146..35190, 35191..35235, 35236..35280, 35281..35325, 35326..35370, 35371..35415, 35416..35460, 35461..35505, 35506..35550, 35551..35595, 35596..35640, 35641..35685, 35686..35730, 35731..35775, 35776..35820, 35821..35865, 35866..35910, 35911..35955, 35956..36000, 36001..36045, 36046..36090, 36091..36135, 36136..36180, 36181..36225, 36226..36270, 36271..36315, 36316..36360, 36361..36405, 36406..36450, 36451..36495, 36496..36540, 36541..36585, 36586..36630, 36631..36675, 36676..36720, 36721..36765, 36766..36810, 36811..36855, 36856..36900, 36901..36945, 36946..36990, 36991..37035, 37036..37080, 37081..37125, 37126..37170, 37171..37215, 37216..37260, 37261..37305, 37306..37350, 37351..37395, 37396..37440, 37441..37485, 37486..37530, 37531..37575, 37576..37620, 37621..37665, 37666..37710, 37711..37755, 37756..37800, 37801..37845, 37846..37890, 37891..37935, 37936..37980, 37981..38025, 38026..38070, 38071..38115, 38116..38160, 38161..38205, 38206..38250, 38251..38295, 38296..38340, 38341..38385, 38386..38430, 38431..38475, 38476..38520, 38521..38565, 38566..38610, 38611..38655, 38656..38700, 38701..38745, 38746..38790, 38791..38835, 38836..38880, 38881..38925, 38926..38970, 38971..39015, 39016..39060, 39061..39105