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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 1006753: y= -x
Click here to see answer by macston(5194)

Question 1006794: x-y=4
What is the best way to remember how to do

Click here to see answer by richard1234(7193)

Question 1006848: How to find the intercepts for this equation 6x=y+12 for intercept because I came up with two other solutions for the other equation of 12x-2y=24; that I solved for solutions (0,12)and (3,0).
Am I correct for using zero to solve second one for x and y?
How do I go about the first one. The second sets are a straight line on zero axis x

Click here to see answer by josgarithmetic(39617)

Question 1006905: 9x^2=y^2
Click here to see answer by josgarithmetic(39617)

Question 1006912: 5x-4y=-18
Click here to see answer by fractalier(6550)

Question 1006945: hi please could you help me with the following question:
Draw a suitable graph to find the estimates of the solutions of the simultaneous equations.

I have tried to find out the plots to fill in the graph and have got some results for the x+y=5 line.
for this I got
x= 1 y = 4, x=2 7=3, x=3 y=2 and x=4 y=1
but I am unsure if these are correct and also am confused when doing the other line to find out the final answer.
Thank you in advance.
Click here to see answer by Alan3354(69443)

Question 1006975: Hello, I was wondering if you could help me with the following question:

I have tried to figure out the correct way to do this but I can't seem to figure it out (by the way the / means like over as if it were a fraction.)
Thank you in advance

Click here to see answer by Alan3354(69443)

Question 1006994: Two points on a parallel line m are (−2,y)and(2,8). The value of y is?
Line L:
https://d3upxwx9bggvi1.cloudfront.net/img/questions/ggpe05_1_1a_08_s1.png
Click here to see answer by josgarithmetic(39617)

Question 1007050: Find the point-slope form of the equation of the line passing through the points (�6, �4) and (2, �5)
Click here to see answer by josgarithmetic(39617)

Question 1007079: (0,8) slope -6

Click here to see answer by Fombitz(32388)

Question 1007114: Complete the equations of the system in slope-intercept form. Use a decimal for the slope if necessary.

Line 1
x y
0 3

Line 2
x y
�1 1
�2 �1

Line 1: y = x +
Line 2: y = x +

Click here to see answer by Alan3354(69443)

Question 1007226: Can you solve this?
A 5 minute overseas call cost $5.91 and a 10 minute call costs $10.86. The cost of the call and the length of the call have a linear relationship. Write the equation that models the situation. How long can you talk on the phone if you have $12?
Click here to see answer by fractalier(6550)

Question 1007448: find the x intercept y intercept and slope of the line represented x= 7 and y =-2
Click here to see answer by Alan3354(69443)

Question 1007452: At 109�F, a certain insect chirps at a rate of 98 times per minute, and at 112�F, they chirp 122 times per minute. Write an equation in slope-intercept form that represents the situation.
Click here to see answer by ankor@dixie-net.com(22740)

Question 1007369: Find four solutions of each equation. Write the solutions as ordered pairs.
Y=8x-4
Click here to see answer by Alan3354(69443)

Question 1007547: Find the slope and the y-intercept of the equation y − 3(x − 1) = 0.

Click here to see answer by fractalier(6550)

Question 1007548: Find the slope and the y-intercept of the equation 4x + 5y = -9
Click here to see answer by fractalier(6550)

Question 1007549: If a line crosses the y-axis at (0, -4) and has a slope of -2, what is the equation of the line
Click here to see answer by fractalier(6550)

Question 1007551: If a line with a slope of 4 crosses the y-axis at (0, 1), what is the equation of the line

Click here to see answer by fractalier(6550)

Question 1007553: Find the slope and the y-intercept of the equation 2x − 3y = 6
Click here to see answer by Alan3354(69443)

Question 1007614: X-3Y>-9
Click here to see answer by Alan3354(69443)

Question 1007647: Graph the systen of equations
-3x + 3y = -6
-x + y = 3
Click here to see answer by MathLover1(20849)

Question 1007642: what is the slope and intercept of y=7
Click here to see answer by MathLover1(20849)

Question 1007631: PLEASE SHOW ME HOW TO WRITE AN EQUATION IN STANDARD FORM THAT REPRESENTS THE LINE THAT PASSES THROUGH THE POINTS (-1, 3) & (-5, 2)
THANK YOU FOR YOUR HELP!
Click here to see answer by solver91311(24713)

Question 1007782: Y+5>2x
3y-2x≤2
Y-x>-2
2y-x≥4
3x+y>5
X+4y>-6
5x-y≥4
X+4y≤2
Click here to see answer by fractalier(6550)

Question 1007830: I need to solve this equation using substitution
-x-y-z=-8
-4x+4y+5z=7
2x+2z=4
i am confused.Thank you for your help
Click here to see answer by Alan3354(69443)

Question 1007830: I need to solve this equation using substitution
-x-y-z=-8
-4x+4y+5z=7
2x+2z=4
i am confused.Thank you for your help
Click here to see answer by Edwin McCravy(20054)

Question 1007887: what is the missing coordinate that falls on the line 2x + 3y = 12 (_,-2)
Click here to see answer by fractalier(6550)

Question 1007939: The following question I had is
Is it a function? How would I know?
What type of slope would it be? How would I know?
What is the y-intercept how could I find it using this type of question?
F(x) = 3/7x - 320
This is all for one math problem thank you so much for taking the time to help me
I have a test on this soon so please please help!
Click here to see answer by josgarithmetic(39617)

Question 1008004: write an equation in slope-intercept form for a line that is perpendicular to the line y=-5x-3 and has a y-intercept of 6.

Click here to see answer by josgarithmetic(39617)

Question 1008046: If the equation (mx-3)(2x+4) is simplified to 24x^2+42x-12 how do I find thevalue of m??
Click here to see answer by fractalier(6550)

Question 1008048: If (mx^3-2x)(2x^2+3x-4)-(2x5+4x^4) is simplified to 4x^5+5x^4-16x^3-6x^2+8x how do I find the value of m? (mx^3-2x)(2x^2+3x-4)-(2x5+4x^4) is simplified to 4x^5+5x^4-16x^3-6x^2+8x
Click here to see answer by fractalier(6550)

Question 1008049: The polynomial (my^2-4y+3)-(5y^2-2y-p) simplifies to 4y^2-2y-4 how would I find the values of m and p?
Click here to see answer by fractalier(6550)

Question 1008054: A square has a side length equal to 5x-3y inches. What is the area of this square? I don't know how to even start....
Click here to see answer by MathLover1(20849)

Question 1008090: Which expression represents the product of 2xy and 3xy+5y-xy^2?
Click here to see answer by Boreal(15235)

Question 1008091: Wh h expression is equivalent to 80hj+64h^2j^2+36h^2j?
Click here to see answer by stanbon(75887)

Question 1008097: Solve each system by graphing.
x > 2 + y
y>1

Click here to see answer by Boreal(15235)

Question 1008059: Which expression represents the product of 2xy and 3xy+5y-xy^2?
Click here to see answer by fractalier(6550)

Question 1008126: how do I graph y+2x= -2
Click here to see answer by stanbon(75887)

Question 1008143: write a system of linear equations that has a solution of (-2, 5) and is best solved by substitution
Click here to see answer by Alan3354(69443)

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