Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!

Tutors Answer Your Questions about Linear-equations (FREE)

Question 362837: graph 9 + 4x = y
Click here to see answer by jim_thompson5910(35256)

Question 362870: Solve the formula for B. A=h/2(b+B)
Which real number is less than -3/5?
3/5, -5/8, -7/13 or ABS(-4/5)

Click here to see answer by nyc_function(2741)

Question 362892: I do I solve and graph?
Suppose f(x)=4x+1
graphically solve
f(x)=2
Click here to see answer by Fombitz(32388)

Question 363044: find an equation for the line: through (1,-6) and parallel to y=2x-2
Click here to see answer by Fombitz(32388)

Question 362987: 2y-3x=6
Click here to see answer by Fombitz(32388)

Question 363047: determine whether y=2x-1 is a linear equation. if so, write the equation in standard form.

Click here to see answer by checkley77(12844)

Question 363062: Find an equation of the line containing the point (2, -1) and parallel to the line 8x=7y-24. Please provide step-by-step for arriving to the answer. Thanks to my textbook I know the answer is y=8/7x-23/7. I want to know how they arrived at that answer, because when I do it I get y=8/7x+24/7.
Click here to see answer by Fombitz(32388)

Question 362963: I need help with graphing an answer on to a graph can you help?
Answer is t(2010)=7000
t=year and 7000 is population
Click here to see answer by Fombitz(32388)

Question 363117: The graph of the function g(x) contains the point (8,1/5)
What point must be on the graph of y = 5g(x) + 3?
Click here to see answer by CharlesG2(834)

Question 363125: 2x-4y=16 find slope
Click here to see answer by jim_thompson5910(35256)

Question 363156: write an equation in slope intercept form of a line containing the point (9, -7) and the slope being 3
Click here to see answer by amoresroy(361)

Question 363156: write an equation in slope intercept form of a line containing the point (9, -7) and the slope being 3
Click here to see answer by Fombitz(32388)

Question 363167: what is the answer for
2(b+3)=5=6b -2 for b
Click here to see answer by JBarnum(2146)

Question 363167: what is the answer for
2(b+3)=5=6b -2 for b
Click here to see answer by Mr.positive(13)

Question 363150: Solve the system graphically.
-2x+y=1, 3x+y=1
Click here to see answer by Fombitz(32388)

Question 363249: can you show me step by step how to solve this linear equation how do i graph it on a coordinate grid y=3x-4

Click here to see answer by JBarnum(2146)

Question 363328: slope of y=-7x+2
Click here to see answer by robertb(5830)

Question 363351: equation of a line containing the given point and perpendicular to the given line: (4,-3);2x+7y=8
Click here to see answer by robertb(5830)

Question 363351: equation of a line containing the given point and perpendicular to the given line: (4,-3);2x+7y=8
Click here to see answer by amoresroy(361)

Question 363382: I need to write two equations in standard form that are equivalent to this given equation:
0.11x + 2.3y = -0.3
I'm not quite sure how to do that. I think .11 is my slope, but I'm not positive.
How do I figure out those two standard form equations?

Click here to see answer by amoresroy(361)

Question 363423: x+y=27 y=x+3
Click here to see answer by nyc_function(2741)

Question 363420: x+y = 27 y = x+3
Click here to see answer by nyc_function(2741)

Question 363435: slope to the perpendicular line if the equation is y=3/8 x+19
Click here to see answer by Fombitz(32388)

Question 363427: x-y=7 0.5x+y=5
Click here to see answer by Fombitz(32388)

Question 363425: y-x=17 y=4x+2
Click here to see answer by Fombitz(32388)

Question 363304: Please help me solve 2y-5x+2=0
Click here to see answer by Fombitz(32388)

Question 363449: find the slope, if it exists, of the line containing the pair of points (5,4)and(10,-4)
Click here to see answer by mananth(16946)

Question 363477: tx + 12y = - 3
The equation above is the equation of a line in the xy-plane , and t is a constant. if the slope of the line is -10 . what is the value of t ?
Click here to see answer by mananth(16946)

Question 363502: i need to figure out the answer what I can up with is wrong.
P =7t^2+7000 with a growth rate of 750 each year. For each of these years 2010,2011,2012,2013,2016
Click here to see answer by Theo(13342)

Question 363391: 2x-5y=10
Find and plot three ordered pairs
Thanks!
Click here to see answer by checkley77(12844)

Question 2: Hi! I need help finding the slope of this line and the x and y intercepts.

Click here to see answer by 466158(2)

Question 363654: State the center and the radius of the circle represented by the equation
(x � 8) 2 + (y + 2)2 = 81

Click here to see answer by Fombitz(32388)

Question 363654: State the center and the radius of the circle represented by the equation
(x � 8) 2 + (y + 2)2 = 81

Click here to see answer by ewatrrr(24785)

Question 363657: Let g (x) =
x-17
____
x+3
(a) Calculate g(-4)
(b) State the domain of the function g(x)
x-17
____
x+3
(c) Find g (t+1) and simplify as much as possible. Show work.

Click here to see answer by Fombitz(32388)

Question 363717: How do you graph the linear equation x=1
Click here to see answer by robertb(5830)

Question 363721: How do you solve this question?
The amount of water in a leaky bucket is given by the linear funtion f(t)=117-6t where f(t) is in ounces and t is in minutes. Find the amount of water in the bucket after 6 minutes.
Click here to see answer by robertb(5830)

Question 363718: How do you solve and graph the following linear equation?
y=-1x
Click here to see answer by robertb(5830)

Question 363709: How do you solve and graph the following linear equation?
-x=5y-3
Click here to see answer by robertb(5830)

Question 363842: find a point on the x axis that is equidistant from (-1,-1) and (7,7)
Click here to see answer by stanbon(75887)

Question 363843: Factor 8m^2+6m-5 without guess and check
Click here to see answer by Alan3354(69443)

Question 363831: How do you solve the following equations?
1.4/3x-1/6(x+12)=12
2. 4(x-2)=-(3x+1)
3. 42 is 28% of what number?
4. -3+x=5
50 3(x-4)=2x
Thank you for your help.
Click here to see answer by checkley77(12844)

Question 363830: I need help in solving the system of equations by elimination.
1. 2x-y=3; x+2y=-1
2. x+2y=-4; 2x-3y=1
3. Solve the system of equations by substitution. 3x+y=3; y=-x-3
How do you solve the system of equations by graphing?
4. x+2y=-1; 2x+2y=-4
5. y=2x; y=x+2
Thank you for help.

Click here to see answer by ewatrrr(24785)

Question 363807: Find the supply equation using the given information. (Let x be the number of items.)
At a price of $1600 a supplier will supply 170 items. If the price decreases by $100, then the supplier will supply 20 fewer items.
Click here to see answer by ewatrrr(24785)

Question 363864: half the difference between two numbers is 2.the sum of the greater number and twice the smaller number is 13. find the numbers
Click here to see answer by amoresroy(361)

Question 363876: find ordered pairs for 7y=4x+18 and y=-8x+54 please I cant seem to understand how to find solution by substitution????
Click here to see answer by amoresroy(361)

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