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

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Question 853770: The equation of the line l is 5x - 3y = 7
Find the equation of the line parallel to l and passing through (1/2 , -1,2)

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

Question 853796: Write the equation of 3y - 2x = 7 in standard (slope - intercept) form.
Click here to see answer by Fombitz(32388) About Me 

Question 853807: P is the point (-1,3) Q is the point (2,-1)
What is the equation of the horizontal line through P?

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

Question 853795: What is the equation of the line which passes through (2,3) , (-2,-1) and has y- intercept of (0,1) ?
Click here to see answer by Alan3354(69443) About Me 

Question 853930: Write an equation for a vertical line that passes through (-7, 4)
Click here to see answer by Alan3354(69443) About Me 

Question 853991: hi I am a student in algebra 2 and we are solving linear equalities for the values of x, y, z and I am extremely confused on how to solve this problem x+z=3 and x+2y-z=1 and 2x-y+z=3 please help me I am super confused
Click here to see answer by josgarithmetic(39617) About Me 

Question 854091: which of the following equations has a positive slope
x+Y=0
Y=-4
Y=X

Click here to see answer by rvfer(117) About Me 

Question 854295: Got some home work with no explanation. How do I solve (-5,-1) and (6,0)

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

Question 854275: line j is y =7/5x-8 if line k is parallel to line j. what is the equation for line k

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

Question 854351: The sum of two numbers, x and y, is 12. The difference of x and two times y is 6. What are the values of x and y?

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

Question 854394: Determine the slope-intercept form of the equation of the line that contains the points (-12, -1) and (0, 11).

Click here to see answer by ewatrrr(24785) About Me 

Question 854416: hello, kindly provide solution to this question
a company is about to bring a new generating unit into production at a fixedd cost of $300,000 . it will cost the company $0.025 per kilowat-hour to generate electrical power which they can sell for 0.075$ per kwh.
required
determine the break even quantity in millions of kwh and break even dollar of sales

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

Question 854339: 40= 4/5w + 12

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

Question 854322: what is the slope of -8+4y=-12
Click here to see answer by Fombitz(32388) About Me 

Question 854467: What is the slope intercept form of the equation -8x-4y+18=0

Click here to see answer by ewatrrr(24785) About Me 

Question 854485: use the given conditions to write an equation for the line in slope-intercept form passing through(-1,1) and parallel to the line whose equation is y=4/3x+4/3
Click here to see answer by Fombitz(32388) About Me 
Question 854485: use the given conditions to write an equation for the line in slope-intercept form passing through(-1,1) and parallel to the line whose equation is y=4/3x+4/3
Click here to see answer by ewatrrr(24785) About Me 

Question 854519: l1 is the line 3x - 4y = 5 . l2 is the line 4x + 3y = 7 . Show that l1 is perpendicular to l2.
Click here to see answer by DrBeeee(684) About Me 

Question 854553: A = (3 ,-2) , B = (-5,-4) . Find the equation of the line parallel to AB and passing through the middle point of AB.
Click here to see answer by Alan3354(69443) About Me 

Question 854561: The sum of three consecutive integers is 96. What is the largest integer?
Click here to see answer by Alan3354(69443) About Me 

Question 854562: Is (2,-3) as solution to the following system of equations?
y=2x-7
3x+2y=12

Click here to see answer by yilmoo(2) About Me 
Question 854562: Is (2,-3) as solution to the following system of equations?
y=2x-7
3x+2y=12

Click here to see answer by harpazo(655) About Me 

Question 854570: write an equation for the line parallel y=-2x-5 that contains p(-8,4)
Click here to see answer by josgarithmetic(39617) About Me 

Question 854564: What number is exactly between -5 and 3?
8 is exactly between 2 and what other number

Click here to see answer by richwmiller(17219) About Me 

Question 854560: A = (3,-2) , B = (-5,-4) . Find the equation of line parallel to AB and passing through the middle point of AB.
Click here to see answer by josgarithmetic(39617) About Me 
Question 854560: A = (3,-2) , B = (-5,-4) . Find the equation of line parallel to AB and passing through the middle point of AB.
Click here to see answer by josmiceli(19441) About Me 

Question 854648: solve the system of equations by the substitution method to get an ordered pair
y=2x+7
y=9x+8

Click here to see answer by aditya2117(32) About Me 
Question 854648: solve the system of equations by the substitution method to get an ordered pair
y=2x+7
y=9x+8

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

Question 854676: Solve the following pairs of simultaneous equations.
3x + 4y = -3
x + y = 1

Click here to see answer by mananth(16946) About Me 

Question 854661: Find the slope and the y-intercept 7x+y-6=0
The slope of the line is ________
The y-intercept of the line is _______

Click here to see answer by mananth(16946) About Me 

Question 854710: Solve the following pairs of simultaneous equations.
4x + 4y = 5
8y - 6x = 3

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

Question 854556: Identify the slope and y-intercept in the following equation:
f(x)=8-7x
Slope=
y-intercept=

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

Question 854752: 2x+3y=7. find the missing coordinate in the order pair

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

Question 854904: Solve the following pairs of simultaneous equations.
x/2 + y/3 = 5
x - y = 10

Click here to see answer by checkley79(3341) About Me 

Question 854988: I keep confusing myself I do not understand the slope formula and I have an assignment due today. The equation of a line perpendicular to the given line but passing through the given point y=-2/3x+2 (9,-3)
Click here to see answer by stanbon(75887) About Me 
Question 854988: I keep confusing myself I do not understand the slope formula and I have an assignment due today. The equation of a line perpendicular to the given line but passing through the given point y=-2/3x+2 (9,-3)
Click here to see answer by richwmiller(17219) About Me 

Question 851868: Find the slope of a line passing through the points (4, -2) & (6, 3).
I have tried doing y=mx + b but I can't seem to figure it out

Click here to see answer by richwmiller(17219) About Me 

Question 854549: A and B are the point (3,-1) and (2,3) respectively.
L is the line 8y - 2x - 3 = 0
show that the line L is perpendicular to AB

Click here to see answer by richwmiller(17219) About Me 

Question 855018: I keep confusing myself on how to substitute given points. Write the equation of a line parallel to the given line but passing through the given point. y= -x+3 (-2,-2)I know I substitute -1 in for x, but I come up with y=-x-2 as my answer. I have an assignment due today and I'm making bad mistakes.
Click here to see answer by stanbon(75887) About Me 

Question 855100: Please help me solve this problem:Your grandfather is 5 times as old as you. The sum of your ages is 72. Find the age of your grandfather. (Use elimination method)
Click here to see answer by josmiceli(19441) About Me 

Question 855083: The equation of a line perpendicular to the given line but passing through the given point y=-2/3x+2 (9,-3). My answer is y = (3/2)x - (33/2)but I don't know how to graph this because its to big, can it be reduced? My graph only goes to -4

Click here to see answer by KMST(5328) About Me 

Question 855146: 10x-3y=46
I need to solve for x and I know the answer is 3.25 but I'm not sure how to get that answer.

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

Question 855183: There are two numbers. When four times the larger number is added to three times the smaller number, the result is 26. If three times the larger number is decreased by twice the smaller, the result is 11. Find the numbers.
Click here to see answer by mananth(16946) About Me 

Question 855179: Solve the following pairs of simultaneous equations.
4x - y = 12
2y - 8x = -24

Click here to see answer by mananth(16946) About Me 

Question 855178: A and B are the point (3,-1) and (2,3) respectively. l is the line 8y - 2x - 3 = 0 show that l passes through the midpoint of AB.
Click here to see answer by mananth(16946) 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, 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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, 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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