Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 317574: Simplify. (-4w^2+2w+5)+(-4w^2-3w+9)-(5w-9)
Click here to see answer by unlockmath(1688)

Question 317615: Solve: x^2 + 18x - 4 = 0
Click here to see answer by checkley77(12844)

Question 317618: Identify the degree of each term of the polynomial and degree of the polynomial.
-5x^3 + 3x^2 + 8x + 4
Click here to see answer by Alan3354(69443)

Question 317602: Solve 5x^2=10 and find the x intercepts of f(x) = 5x^2-10
Click here to see answer by checkley77(12844)

Question 317584: Please solve for x
3/x=(x-4)/7
Click here to see answer by Alan3354(69443)

Question 317623: Find the x-intercepts for the graph of the equation y = x^2 - 4x -5
The x-intercepts are
Second Question:
Multiply
(-2m^2)^2 (4m^2)^2
Click here to see answer by checkley77(12844)

Question 317577: Simplify. (b^3a^5z^6)/(b^4a)
Click here to see answer by Fombitz(32388)

Question 317603: Find the vertex, the line of symmetry, and the maximum or minimum value of f(x). f(x) = 1/2(x+8)^2 + 2
Click here to see answer by Fombitz(32388)

Question 317528: Simplify. (-4t^2+2t+5)+(-4t^2-3t+9)-(5t-9)
Click here to see answer by Fombitz(32388)

Question 317652: Find a formula for the line intersecting the graph of f(x) at x=1 and x=19 where
f(x)= 362/x^2+1

Click here to see answer by Fombitz(32388)

Question 317524: Simplify. b^3a^5z^6/b^4a
Click here to see answer by Fombitz(32388)

Question 317659: I got solutions but wanted to check!
Find all the real solutions of the following equation by first rewriting the equation as a quadratic equation.
please explain your steps if your would?
s^4 - 26s^2 + 25 = 0
thank you for your time!
my answers were radical 1 and -radical 5
cz
Click here to see answer by mananth(16946)

Question 317688: 1) When getting into shape by exercising, the subject�s maximum recommended number
of heartbeats per minute (h) can be determined by subtracting the subject�s age (a)
from 220 and then taking 75% of that value. This relation is expressed by which of the
following formulas?
A. h = .75(220 � a)
B. h = .75(220) � a
C. h = 220 � .75a
D. .75h = 220 � a
E. 220 = .75(h � a)

2)An airplane flew for 8 hours at an airspeed of x miles per hour (mph), and for 7 more
hours at 325 mph. If the average airspeed for the entire flight was 350 mph, which of
the following equations could be used to find x ?
A. x + 325 = 2(350)
B. x + 7(325) = 15(350)
C. 8x � 7(325) = 350
D. 8x + 7(325) = 2(350)
E 8x + 7(325) = 15(350)
Click here to see answer by mananth(16946)

Question 317737: simplify: x+3 10=0
-
x^2-2x x^2-4 the first row should be on top of the second row this is one problem.
Click here to see answer by checkley77(12844)

Question 317763: How do you solve the following?
10x + 3y +1/2z +100
Click here to see answer by unlockmath(1688)

Question 317788: 5x-9=36
Click here to see answer by jim_thompson5910(35256)

Question 317736: Simplify: x^2+3x-4 division sign X^2+5x-6
X^2+6x+8 x^2+7x+6 the problem should be the first row on top with the division sign in the middle
Click here to see answer by mananth(16946)

Question 317735: What is y=2x+16, 2x-5y=-16?
Click here to see answer by Fombitz(32388)

Question 317809: Please help me with this:
Name the possible quadrants in which the point (x,y) can lie if the condition is true. yx<0
Click here to see answer by jim_thompson5910(35256)

Question 317810: Please help me with this: Graph the linear function. Give the domain and range.
f(x)= -2x + 1
Click here to see answer by jim_thompson5910(35256)

Question 317812: Please help me with this: Find F9x) at the indicated value of x.
f(x)=-6x - 1, x = -3
thank you
Click here to see answer by stanbon(75887)

Question 317813: Please help me with this: Find (f-g)(5) when f(x)=5x square - 7 and g(x)= x + 2
Thank you
Click here to see answer by stanbon(75887)

Question 317816: Please help me with this:
A line passes through the points (6,3) and (6,1). The equation of this line is ____. THe slope of the line is ____.
Click here to see answer by jim_thompson5910(35256)

Question 317817: Please help me with this: Solve the inequality.
/x + 7/ >5
Thanks
Click here to see answer by jim_thompson5910(35256)

Question 317824: I need your help with this multiple choice question. Use the graphs of F and g to find f(4)-g(3)
1) 1/2 2) 8 3) -2 4) 6

Click here to see answer by jim_thompson5910(35256)

Question 317826: Please help me: Write the number in the simplest form, without a negative radicand. square root of -169
Thank you

Click here to see answer by jim_thompson5910(35256)

Question 317807: Please help me with this:
Write the slope-intercept form of the line that passes through the given point with slope M.
Through (-1,-4), m=-3
Thank you
.
Click here to see answer by rfer(16322)

Question 317731: Simplify: -x+2 2
-------- + -----
x^2-5x+6 3-x
Click here to see answer by ankor@dixie-net.com(22740)

Question 317733: What is the answer to x=5y, 2x-3y=7?
Click here to see answer by rfer(16322)

Question 317825: Please help: Perform the requested opertion or operations:
f(x)=3x + 12, g(x)= 3x - 1
Thank you
Click here to see answer by Fombitz(32388)

Question 317808: Tell whether the relation is a function.
{(-1,7), (2,-4),(5,5),(9,9),(10,5)}
Click here to see answer by Fombitz(32388)

Question 317905: factor completely 5X2 + 20X - 60 (note the 2 is squared) What I have for work is
=5(x2 + 5(4x) + 5(-12)
=5(x2 + 4x -12)
I think this is correct but not sure if there is more to be factored. Email address is 9-iron@wctc.net
Click here to see answer by stanbon(75887)

Question 317987: x/2-3/4=x/6+1/8
PLEASE HELP!!! my prof just randomly gave us one with fractions, ive never practiced one before.
Click here to see answer by Alan3354(69443)

Question 318018: I am trying to solve the following algebraic problem.
14r/s for r= 32 and s = 8
14r/s = _______?
Click here to see answer by stanbon(75887)

Question 318024: I need your help with this: Simplify the power of i,1,-i or -1

i71
Click here to see answer by stanbon(75887)

Question 317982: 3/2y-y=4+1/2y
Click here to see answer by jim_thompson5910(35256)

Question 317982: 3/2y-y=4+1/2y
Click here to see answer by checkley77(12844)

Question 318056: I need your help please: Perform the requested operation or operations.
f(x)=3x+12, g(x)=3x-1

Thanks
Click here to see answer by Alan3354(69443)

Question 318075: how do i solve 4-(2x-9)=-19
Click here to see answer by Alan3354(69443)

Question 318057: I need your help, please help me:
Find the distance between P and Q and the coordiantes of the midpoint of the segment joing P and Q.
P(8,7),Q(5,4)
Thanks
Click here to see answer by Earlsdon(6294)

Question 318047: I need your help with this: Graph the function.

Thanks

Click here to see answer by Edwin McCravy(20054)

Question 318038: I need your help with this: Find the real or imaginary solutions by using the quadratic formula. x square - 12x + 52=0

Thanks
Click here to see answer by jim_thompson5910(35256)

Question 318055: I need your help please: For the set list all elements that belong to the integers. { 0, square root of 6,-11, 5/9, -9/5, 9.7, 5}
Thanks
Click here to see answer by jim_thompson5910(35256)

Question 318117: Write the answer to the problem as an algebraic expression
A water tank holds g gallons. Since there are 4 quarts per gallon, how many quarts does the tank hold?
A.g/4 B. 4g C. g+4 D. 4/g
Thanks so much!

Click here to see answer by jim_thompson5910(35256)

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, 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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, 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, 39106..39150, 39151..39195, 39196..39240, 39241..39285, 39286..39330, 39331..39375, 39376..39420, 39421..39465, 39466..39510, 39511..39555, 39556..39600, 39601..39645, 39646..39690, 39691..39735, 39736..39780, 39781..39825, 39826..39870, 39871..39915, 39916..39960, 39961..40005, 40006..40050, 40051..40095, 40096..40140, 40141..40185, 40186..40230, 40231..40275, 40276..40320, 40321..40365, 40366..40410, 40411..40455, 40456..40500, 40501..40545, 40546..40590, 40591..40635, 40636..40680, 40681..40725, 40726..40770, 40771..40815, 40816..40860, 40861..40905, 40906..40950, 40951..40995, 40996..41040, 41041..41085, 41086..41130, 41131..41175, 41176..41220, 41221..41265, 41266..41310, 41311..41355, 41356..41400, 41401..41445, 41446..41490, 41491..41535, 41536..41580