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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 245015: Determine the slope of the line 8x-4y-9=0

Click here to see answer by checkley77(12569)

Question 245014: write an equation of a line containing the point (8,3) and that is parallel to the x axis
Click here to see answer by checkley77(12569)

Question 245110: How do I find the correct graph if the question tells me that the line is through (2,-2) with a slope of -1/2
Click here to see answer by checkley77(12569)

Question 245173: could you show me how to get to the solution pls.[-2x 22 -3z] = [6x -2y 45]
Click here to see answer by stanbon(57332)

Question 245176: What is the slope and y-intercept of the line y=-5x-13?
Click here to see answer by solver91311(16877)

Question 245299: What is the slope a line that is parallel to 8x + 2y = 6
Click here to see answer by nerdybill(6958)

Question 245299: What is the slope a line that is parallel to 8x + 2y = 6
Click here to see answer by MathTherapy(1423)

Question 245293: Solve using the elimination method
-5r + 4s = 8
15r - 12s = 24
Click here to see answer by Cusic Bambusic(1)

Question 245448: Hello,
I am stuck on a problem and I need some help please. The problem is the following:
Find x,y intercept, if possible for f(x) = x^2 - x + 2
if you could show me the work for reaching this answer I would appreciate it. This has me stumped.
Thank you in advance for your help!!

Click here to see answer by Alan3354(30993)

Question 245532: x+y=5
x-y=7
Click here to see answer by checkley77(12569)

Question 245539: 2x+y=5
Click here to see answer by solver91311(16877)

Question 245492: Given the pair of linear equations in two variables:•Find the x- and y-intercepts (if any) for each line. Show your work.•Plot those intercepts, and graph the two lines..•Apply elimination or substitution to find the coordinates of the point of intersection (if there are no solutions or infinite solutions, state this). Show your work. 5x - 2y = -1x + 4y = 35
Click here to see answer by checkley77(12569)

Question 245547: I'm learning graphing and statistics. I need to write an equation in slope intercept form. How do I do this.
Click here to see answer by solver91311(16877)

Question 245529: im doing linear equations and dont understand howto do it at all.
2x+y=4
x-y=2 ??
it says use linear combinations to solve the systme of linear equations. use the graph to check your solution
Click here to see answer by solver91311(16877)

Question 245562: Solve the system by the elimination method
5x+5y=-7
7x-2y=13
Can someone please help me with this?
Click here to see answer by checkley77(12569)

Question 245575: solve by the elimination method
0.5x+0.25y=66
0.15x+0.05y=72
Ijust do not understand this could someone help please? Thanks
Click here to see answer by checkley77(12569)

Question 245624: Given the points (2, 1) and (3, 4) answer the following.
A) What is the slope of the line through these points?
B) Write the equation in point slope form using the slope you found in part A and one of the pairs givin. It doesnt matter which ordered pair you use. The point slope formula is (y-y1)=m(x-x1).
C) Simplify your answer in part B and write the equation in slope intercept form. Show all work.
Please help with this problem! Thank you so much...

Click here to see answer by checkley77(12569)

Question 245622: Find the slope of the line through (0,5) and (5,5)

Click here to see answer by checkley77(12569)

Question 245633: The ordered pair (1, 7/5) is a solution to which linear equation?
Click here to see answer by checkley77(12569)

Question 245694: I need help with this problem 2y=7, I need to change the equation to slope-intercept form. I tried dividing both sides by 2 but, I'm missing m and b. The slope-intercept form form is y=mx+b.

Thanks for your help!
Ivelisse
Click here to see answer by jim_thompson5910(28593)

Question 245714: I need to graph this equation y=4x-2 please help
Click here to see answer by richwmiller(9135)

Question 245736: 8=2/3x+4
Click here to see answer by richwmiller(9135)

Question 245736: 8=2/3x+4
Click here to see answer by TheProdicalSon(33)

Question 245800: 9x-9y=9
7y-3x=-5
This one is supposed to be solved by the elimination method
the solution is an ordered pair, and I am really stumped, can someone help pleeese!!Thank You.
Click here to see answer by nerdybill(6958)

Question 245807: Can some one please help me out?
I'm suppose to solve the system by elimination and the solution is an ordered pair of fractions that is simplified.
5x+3y=-11
7x-2y=13
Pleeese help!!!Thank You
Click here to see answer by stanbon(57332)

Question 245811: Lord have mercy heres another one it says to solve by elimination method
0.3x-0.2y=4
0.2x+0.5y=-75/17
Pleeese someone help. Thanks so much
Click here to see answer by edjones(7569)

Question 245840: solve by using Gauss- Jordan elimination: 2x-y=4 over x=7y=-13
Click here to see answer by Alan3354(30993)

Question 245787: Solve the system by the elimination method
5x+3y=-11
7x-2y=13
The solution is ?
The solution is supposed to be an ordered pair of integers or fractions for any numbers in the expression.
I have tried to get the solution over and over to no success could someone please help me? Thank You so much.
Click here to see answer by Alan3354(30993)

Question 245797: 0.3x-0.2y=4
0.2x+0.5y=-75/17
This is supposed to be solved by the elimination method and the solution is an ordered pair of fractions simplified. Can someone please help me with this I have never done one like this before and I keep coming up with different solutions. Any help would be appreciated. Thank You.
Click here to see answer by Alan3354(30993)

Question 245217: I need help with 5x+4y=12
Click here to see answer by Alan3354(30993)

Question 245972: Can someone help me out I do not under
Solve the system by the elimination method
5x+5y=-11
7x-3y=17
It says the solution is an ordered pair and use integers or fractions for any numbers in the expression. Can someone please help me out with this? Thank you so much
Click here to see answer by TheProdicalSon(33)

Question 245977: I need some help with a college algebra problem I don't understand,
It says to solve by the elimination method
0.3x-0.2y=4
0.2x+0.5y=-21/23
It says the solution is an ordered pair and to use integers or fractions for any numbers in the expression, can someone please help me and Thank You
Click here to see answer by stanbon(57332)

Question 246024: Graph the line
y=-1/2x+2
Click here to see answer by nerdybill(6958)

Question 246077: I also have one more problem I do not understand it is
0.3x-0.2y=4
0.4x+0.5y=-55/17
It says to solve by the elimination method and the solution is supposed to be an ordered pair of fractions, can anyone help me please? Thank you for your time it is appreciated
Click here to see answer by stanbon(57332)

Question 246085: Can anyone help me with this?
Solve by elimination
5x+5y=-7
7x-3y=19
I do not understand this I keep getting different answers, the solution is suppose to be an ordered pair of fractions thank you for your time
Click here to see answer by richwmiller(9135)

Question 246076: Can someone please help me with this problem
5x+5y=-7
7x-3y=19
It says to solve the system by elimination and that the solution is an ordered pair, then it says to use fractions or integers for any numbers in the expression. Can anyone help me I do not understand? Thank you, all help is appreciated.
Click here to see answer by Alan3354(30993)

Question 246160: solve this system of equations by graphing.
2x+3y=12
2x-y=4
Click here to see answer by oberobic(2304)

Question 246178: Hey guys, I am horrible at word problems. And mainly getting the equation of it first. After I have the equation I can easily do it. So please help me get the equation of this math problem.
It costs Ace Electronics Company $1900 to manufacture 10 VCRs and $2200 to manufacture 16 VCRs. At this rate, what would be the cost of manufacturing 25 VCR's.
Click here to see answer by dabanfield(803)

Question 246191: find the coordinates.
y=0
x=0
x+2y=8
Click here to see answer by stanbon(57332)

Question 245648: What is the slope of the line that passes through (1,-3) and (-2,6)?
Click here to see answer by oberobic(2304)

Question 246209: solve and put answer in y=mx + b form.
slope (3,2) ; y=x+5
Click here to see answer by stanbon(57332)

Question 246219: Write an equation in slope-intercept form for the line that passes through the point (-4,6) and is perpendicular to y=8x-7.
Click here to see answer by dabanfield(803)

Question 246013: how do you graph the line 5x-2y= 6
plot 3 points
Click here to see answer by blwinbbbles(106)

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