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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 1032971: A water tank can be filled in 20 hours by an inlet pipe and emptied in 25 hours by an outlet pipe. How long will it take to fill the tank if both pipes are left open?
Click here to see answer by Alan3354(69443)

Question 1032990: y=9+3x

Click here to see answer by Alan3354(69443)

Question 1032967: The graph shows the amount of money the Phillips family spent each month on groceries.
HS_AL2_L2_S2_05_12_Q8_stem.gif

When did the smallest month-to-month increase in spending occur?

A. April�May

B. May�June

C. August�September

D. September�October

Click here to see answer by ikleyn(52781)

Question 1033052: We r supposed to solve each system of equations by the addition method. Here is one problem 5x+6y=13
-5x+2y=11
Click here to see answer by solver91311(24713)

Question 1033052: We r supposed to solve each system of equations by the addition method. Here is one problem 5x+6y=13
-5x+2y=11
Click here to see answer by josmiceli(19441)

Question 1033066: given that (-2,-1) is on the graph of f(x) find the corresponding point for the function f(x-4)
Click here to see answer by stanbon(75887)

Question 1033078: If y = -x + 1
if x = -3 would it be y = 9 + 1 or y = 10?
Click here to see answer by ikleyn(52781)

Question 1033077: how do you find a parallel line for -6x+y=3
Click here to see answer by ikleyn(52781)

Question 1033119: Find the solution to the equations.
2x - y = -3
x + y = 0
Click here to see answer by fractalier(6550)

Question 1033244: For solving systems of linear equations. How do I write equations for this type of question?
The perimeter of a rectangle is 24ft. It's length is five times its width. Let x be the length and y be the width. What is the area of the rectangle?
Click here to see answer by stanbon(75887)

Question 1033250: y
=
3
x
+
2
y=3x+2
(4,
), (
,0), (
,-22)
Click here to see answer by stanbon(75887)

Question 1033156: a gas station sells 4820 gallons of regular unleaded gasoline in a day when they charge $1.35 per gallon, whereas they sell 3861 gallons on a day they they charge $1.40 per gallon. Find a linear function that expresses gallons sold as a function of price. Use this function to predict the number of gallons sold at a price of $1.17 per gallon
Click here to see answer by josgarithmetic(39617)

Question 1033329: What is the equation of a line that has a slope of -3 and passed through (1, -2)

Click here to see answer by fractalier(6550)

Question 1033392: Craig buys 2 adult and 6 child tickets for $38. Annie buys 3 adult and 4 child tickets for $37. How much do each ticket cost?

Click here to see answer by ikleyn(52781)

Question 1032968: If a line contains the x-intercept
10
and the y-intercept
−5,
find the slope m of any perpendicular line.
Click here to see answer by robertb(5830)

Question 1033475: slope 7/3 and y intercept (0,1/6) find the linear function
Click here to see answer by Cromlix(4381)

Question 1033502: How can you use the patterns of change in tables to identify the type of relationship?
Click here to see answer by ikleyn(52781)

Question 1033610: A line that passes through the points (�4, 10) and (�1, 5) can be represented by the equation y = (x � 2). Which equations also represent this line? Check all that apply.
y = x � 2
y = x +
3y = �5x + 10
3x + 15y = 30
5x + 3y = 10
Click here to see answer by Alan3354(69443)

Question 1033628: What is y = (x + 3)2 + (x + 4)2 rewritten in vertex form?

Click here to see answer by fractalier(6550)

Question 1033641: Find the slope-intercept form of the line that passes through the given point and has the given slope. Include your work in your final answer. Type your answer in the box provided or use the upload option to submit your solution.
(7, 1)
m = 10
Click here to see answer by fractalier(6550)

Question 1033667: How do I graph y=2x+5 and y-4x=-2
Click here to see answer by fractalier(6550)

Question 1033766: The difference between the sum of even numbers and the sum of odd numbers between 10 and 20 is
Click here to see answer by ikleyn(52781)

Question 1033824: How do you change this linear equation to slope intercept form?
2x + y = -3
Click here to see answer by Boreal(15235)

Question 1033848: is y=x^3-4x^2 symmetrical to origin
Click here to see answer by fractalier(6550)

Question 1033861: Which linear function represents the line given by the point-slope equation y � 8 =1/2 (x � 4)?
Click here to see answer by fractalier(6550)

Question 1033604: Find the X and Y-axis point of intersection for y=-x^3+x^2+x-1
Click here to see answer by Fombitz(32388)

Question 1033874: Witch is a liner equation?
A: y=2-5x
B: y=-5x2
C: y=2-5x2
Click here to see answer by Alan3354(69443)

Question 1033905: How do i make a table of ordered pairs with the equation 2x-5y=10?
Click here to see answer by Alan3354(69443)

Question 1032958: What is the mode of the data set?
https://static.k12.com/eli/bb/1788/2_80389/2_68283_12_80559/21a3e1f26d80347d7704a0acfae68a4e70966940/media/32ec611982f66afde2078022d3245fc72d075ade/mediaasset_1075782_1.gif

84

90

93

103

Click here to see answer by robertb(5830)

Question 1032962: The histogram shows the finishing times of runners in a race.
How many runners took at least 30 min to finish the race?
https://static.k12.com/eli/bb/1788/2_80389/2_68283_12_80559/21a3e1f26d80347d7704a0acfae68a4e70966940/media/73ee886ae8c724dca8e89683e9db8a57dc35c18f/mediaasset_1520625_1.jpg
___________
Click here to see answer by robertb(5830)

Question 1034101: Suppose that x is a random variable with the possible values 1,2,and 3. Given that E(X^2)<=6, find the maxium possible value of E(X).
Click here to see answer by robertb(5830)

Question 1034103: Maximize the values of x,y,and z using the simplex method, given the following: x>=0, y>=0, z>=0, x+y<=8, y+z<=12, and x+z<=10
Click here to see answer by johb(2)

Question 1034148: write the equation in slope intercept form of the line that has a slope of 2 and passes through the point (3,1)
Click here to see answer by Fombitz(32388)

Question 1034171: the length of a rectangle is 2 inches more than twice its width,and its perimeter is 60 inches. find the length and width of the retangle
if w= the width of the rectangle, then the length equals_______
Click here to see answer by fractalier(6550)

Question 1034186: what is the slope of the line that passes through the points(-8,3) and (-8,5)?
Click here to see answer by Fombitz(32388)

Question 1034202: line p is parallel to the line x= -2. What is the slope of line p?
Click here to see answer by fractalier(6550)

Question 1034209: write the equation of the line, in general form,that has a slope of 3 and a y-intercept of -5.
Click here to see answer by fractalier(6550)

Question 1034198: find the y intercept of the line graphed by the equation 1/2x - 7y=7
Click here to see answer by fractalier(6550)

Question 1034212: solve the following system of equations by the addition method
5x - y=6
-2x + 3y=5
what is the value of the x-coordinate?
Click here to see answer by fractalier(6550)

Question 1034244: Find the equation of a line that passes through the points (1,-2) and (3,-8)
Click here to see answer by Alan3354(69443)

Question 1034290: Px+qy=p-q, qx-py=p+a

Click here to see answer by ikleyn(52781)

Question 1034272: 1/3b = -8
Click here to see answer by Alan3354(69443)

Question 1034333: I need help finding ordered pairs for Y=2X.
For example : (-1 -1/2) (0,-1) (-1,-2) (-2,-4) (-3,-8) (-4,-16)
Click here to see answer by Boreal(15235)

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