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

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Question 1080867: Find the equation of the line that contains the point(2,-4) and is perpendicular to the line that contains(5/4,-2) and (3/4,-3) enter your answer in the formy=mx+b unfactored do not use decimals leave improper fractions improper
Click here to see answer by josgarithmetic(39617) About Me 

Question 1080866: Find the equation of the line that contains the point(-4,18) and is parallel to the line that contains(2,-2) and (6,3) enter your answer in the form y=mx+b. Unfactored do not use decimals leave improper fractions improper
Click here to see answer by Alan3354(69443) About Me 

Question 1080870: Find an equation of the line that contains the point(4,-9) and is parallel to the line that contains(-4,8) and (8,-1) enter your answer in the form y=mx+b unfactored do not use decimals leave improper fractions improper
Click here to see answer by Alan3354(69443) About Me 

Question 1080869: Find an equation for the line parallel to 3x+4y=12 that passes through the point(2,-5) enter your answer in the form y=mx+b unfactored do not use decimals leave improper fractions and proper
Click here to see answer by Alan3354(69443) About Me 

Question 1080918: Using the coordinates (-4,3), (6,8) to define a straight line: find the value of y when x=20 and find the coordinates of the x and y intercept

Click here to see answer by Boreal(15235) About Me 

Question 1080972: A rational number becomes 2 / 3 when 1 is added to its numerator and the denominator. But becomes 3 / 2 if 4 is subtracted from each one of the numerator and denominator. Find the rational number
Click here to see answer by josgarithmetic(39617) About Me 

Question 1081017: The Baker family and the Gray family each used their sprinklers last summer. The water output rate for the Baker family's sprinkler was 35L per hour. The water output rate for the Gray family's sprinkler was 40L per hour. The families used their sprinklers for a combined total of 60 hours, resulting in a total water output of 2200L. How long was each sprinkler used?
Click here to see answer by ikleyn(52781) About Me 

Question 1081138: slope=1/2;(h,k)=(1,-2)
Click here to see answer by josgarithmetic(39617) About Me 

Question 1081157: Please help me solve this problem: Write an equation that passes through the point (4, 2) and is (A) parallel and (B) perpendicular to the line y=2x-3. I tried solving a few pairs of coordinates for y=2x-3 such as (0, -3), (1, -1), (2, 1), (3, 3), (4, 5), and (5, 7). Please help on this question. Thank you!
Click here to see answer by josgarithmetic(39617) About Me 

Question 1081283: I need help with Y=3x+3. I need a table using function rule
X
-4
-2
0
2

Click here to see answer by Alan3354(69443) About Me 

Question 1081322: how many solutions are there to the following system of equations
y=4x-7
y=7+x

Click here to see answer by Alan3354(69443) About Me 

Question 1081205: Identical nickels are placed in a container and the total mass is recorded. The table gives information about the total mass of different numbers of nickels in the container.
number of nickels(n) total mass (g)
4 ------ 60g
6 ------ 65g
10 ------ 75g
Use the data to determine the number of nickels in the container when the total mass is 185g. Justify your answer.

Click here to see answer by josgarithmetic(39617) About Me 

Question 1081431: Find the slope and the y-intercept of the following linear equation.
x = 4y – 16

Click here to see answer by Boreal(15235) About Me 
Question 1081431: Find the slope and the y-intercept of the following linear equation.
x = 4y – 16

Click here to see answer by MathTherapy(10552) About Me 

Question 1081436: Rewrite the equation in Ax+By=C form. Use integers for A, B, and C.
y= 1/3x - 2

Click here to see answer by MathLover1(20849) About Me 
Question 1081436: Rewrite the equation in Ax+By=C form. Use integers for A, B, and C.
y= 1/3x - 2

Click here to see answer by MathTherapy(10552) About Me 

Question 1081442: Rewrite the equation in Ax+By=C form. Use integers for A, B, and C.
y-1=-4(x-2)

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

Question 1081454: Graph the equation 16-4x=0
Click here to see answer by Boreal(15235) About Me 

Question 1081451: What is the slope of -2,3 and 3,2?
Click here to see answer by Alan3354(69443) About Me 

Question 1081534: Find number of subsets in set A={3,4,5}
Click here to see answer by ikleyn(52781) About Me 

Question 1081545: The linear factors of 3x 2 − 6x + 3 are
Click here to see answer by josgarithmetic(39617) About Me 

Question 1081582: Graph the linear function y=-5x+2
Please help! if you can, graph on a graph 0 to 4, Thanks

Click here to see answer by math_helper(2461) About Me 

Question 1081689: Edward is 14 yrs older than alan. The sum of Edward's and alan's ages is 68. How many years old is edward?
Click here to see answer by josgarithmetic(39617) About Me 

Question 1081705: Get k in line 3x - 5ky + 5 = 0 when y-intercept is equal to 3.
Click here to see answer by Fombitz(32388) About Me 

Question 1081704: Find the value of parameter k so that the line 3x - 5ky + 5 = 0 will be perpendiculat to 4x + 3y = 2.
Click here to see answer by math_helper(2461) About Me 
Question 1081704: Find the value of parameter k so that the line 3x - 5ky + 5 = 0 will be perpendiculat to 4x + 3y = 2.
Click here to see answer by MathTherapy(10552) About Me 

Question 1081702: Find the equation that passes through (7,-4) at a distance of 1 unit from point (2,1).
Click here to see answer by addingup(3677) About Me 
Question 1081702: Find the equation that passes through (7,-4) at a distance of 1 unit from point (2,1).
Click here to see answer by Alan3354(69443) About Me 

Question 1081772: Given that (3, 2, –6) and (–2, 5, 1) are solutions of two equations in a system of three linear equations, which of the following is true about the system?
a.The system can only be consistent and independent.
b.The system can be either inconsistent and independent or consistent and dependent.
c.The system can be either inconsistent and dependent or consistent and independent.
d.The system can only be inconsistent and dependent.

Click here to see answer by ikleyn(52781) About Me 

Question 1081781: Find the equation of a line that is parallel to the line x=7 and contains the point (-6,7)
Click here to see answer by ikleyn(52781) About Me 

Question 1081788: 𝑥 − 2𝑦 + 3𝑧 = 1
−2𝑥 + 5𝑦 − 𝑧 = 2
6𝑥 − 4𝑦 + 2𝑧 = 4

3𝑥 + 6𝑦 − 2𝑧 + 4𝑤 = 12
5𝑥 − 𝑦 + 4𝑧 − 3𝑤 = 10
−4𝑥 + 𝑦 + 𝑧 + 3𝑤 = 5
2𝑥 − 1𝑦 + 2𝑧 + 5𝑤 = 2

Click here to see answer by Alan3354(69443) About Me 

Question 1081703: Find the equation passing through the midpoint of the segment joining the points (1,3) and (5,1) and parallel to the line 2x - y + 5 = 0.
Click here to see answer by josgarithmetic(39617) About Me 

Question 1081836: Find the slope of the line with the points: (-4, -2) and (8, 10)
Click here to see answer by MathLover1(20849) About Me 
Question 1081836: Find the slope of the line with the points: (-4, -2) and (8, 10)
Click here to see answer by addingup(3677) About Me 

Question 1081861: X+y= 12
Y+z=10
Z+x=8
Find the value.of x,y,z

Click here to see answer by math_helper(2461) About Me 
Question 1081861: X+y= 12
Y+z=10
Z+x=8
Find the value.of x,y,z

Click here to see answer by josgarithmetic(39617) About Me 

Question 1081851: Alvin is 7 years older than Elga. The sum of their ages is 69 . What is Elga's age?
Click here to see answer by Fombitz(32388) About Me 

Question 1081910: the line 4x+5y=12 is written in stander form. At what point does the graph of this line cross the x-axis
Click here to see answer by jim_thompson5910(35256) About Me 

Question 1081902: Juan is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices. Company A charges $92 and allows unlimited mileage. Company B has an initial fee of $65 and charges an additional $0.90 for every mile driven.
For what mileages will Company A charge less than Company B? Use m for the number of miles driven, and solve your inequality for m.

Click here to see answer by josmiceli(19441) About Me 

Question 1081918: Ridhima is 5 years younger than Aarav . four years later aarav will be twice as old as Ridhima.find their present ages

Click here to see answer by ikleyn(52781) About Me 

Question 1081896: For her phone service, Ivanna pays a monthly fee of $20, and she pays an additional $0.04 per minute of use. The least she has been charged in a month is $79.36. What are the possible numbers of minutes she has used her phone in a month?
Use m for the number of minutes, and solve your inequality for m.

Click here to see answer by Theo(13342) About Me 

Question 1081949: Find the equation given the endpoints of the diameter (5,2) (1,-2).
Click here to see answer by josgarithmetic(39617) About Me 
Question 1081949: Find the equation given the endpoints of the diameter (5,2) (1,-2).
Click here to see answer by ikleyn(52781) About Me 

Question 1081994: Find the equation of the line passing through the points with co-ordinates (5,9) and (-3,13)
Click here to see answer by Boreal(15235) About Me 

Question 1082104: The worldwide consumption of cigarettes has been increasing steadily in recent years. The number of trillions of cigarettes, y, purchased x years after 1960, is estimated by the linear equation
y= .075x+2.5
(a) sketch a graph of the linear equation
(b) what interpretation can be given to the y-intercept of the graph?
(c) When were there 4 trillion cigarettes sold?
(d) If this trend continues, how many cigarettes will be sold in the year 2020?

Click here to see answer by Boreal(15235) 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