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

Algebra ->  Algebra  -> Linear-equations -> Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!      Log On

 Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations! Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

 Algebra: Linear Equations, Graphs, Slope Solvers Lessons Answers archive Quiz In Depth

 Question 313201: Suppose a small business computer system cost \$5,400. Every year its value drops by \$525 Click here to see answer by Fombitz(13828)

 Question 313488: if 9 and y have the same average as 3,6 and 27 what is the value of y? Click here to see answer by Fombitz(13828)
 Question 313488: if 9 and y have the same average as 3,6 and 27 what is the value of y? Click here to see answer by nyc_function(2733)

 Question 313346: Find the slope if any exists, of the line containging the pair of points (9,6) and (10,-8) Click here to see answer by ankor@dixie-net.com(15746)

 Question 313502: (5,-6);3x+2y=9 the equation of the line is y= Click here to see answer by rfer(12730)

 Question 313450: 4x+3y=-5 -9x+y =50 solve using the substitution method Click here to see answer by rfer(12730)

 Question 313501: (4,5);6x+y=5 the equation of the line is y= Click here to see answer by Alan3354(31519)

 Question 313500: (-7,6);2x=5y+6 the equation of the line is y= Click here to see answer by Alan3354(31519)

 Question 313499: (6,7);x+7y=2 the equation of the line is y= Click here to see answer by Alan3354(31519)

 Question 313526: What are some examples of perpendicular lines and parallel lines of the linear equation: 2x-5y=20 and how do you find/get that answer? Please explain thoroughly and use step by step. Thank you. Click here to see answer by Alan3354(31519)

 Question 313639: [6.02] For the following system, if you isolated x in the second equation to use the Substitution Method, what expression would you substitute into the first equation? 2x + y = 9 −x − y = −8 −8 + y −8 − y 8 + y 8 − y Click here to see answer by stanbon(57967)

 Question 313644: Write the equation of the line that is parallel to the line 2x-3y= 0 and contains the point (6,1) Click here to see answer by nerdybill(7003)

 Question 313809: please help me solve the following problem Determine whether the following systems will have one solution no solution or infinitely solutions show algebraic process 1){y=2x {y=2x+5 2){y=2x {y=x+x Click here to see answer by Alan3354(31519)

 Question 313810: d=3t-2, can you please list the independent variable, slope and y- intercept even though the variables are different? If the coefficient of "t" were negative, how does this change the graphical representation of this line? Click here to see answer by stanbon(57967)

 Question 313951: 3x2 +18x + 21= x(x + 5) Click here to see answer by checkley77(12569)

 Question 313939: Please help me solve this equation world problem If a plane can travel 480 miles per hour with the wind and 440 miles per hour against the wind, find the speed of the plane in still air Click here to see answer by checkley77(12569)

 Question 313966: write the equation of the line parallel to the equation y=-1/4x+7 and passes through the ordered pair (0,15) Click here to see answer by checkley77(12569)

 Question 313994: y=-6/5+4 Click here to see answer by checkley77(12569)

 Question 313991: Write an equation of the line containing the given point and parallel to the given line. (4,-1); 8x-9y=5 Click here to see answer by checkley77(12569)

 Question 314046: I am having trouble with this test point method. Any help would be greatly appreciated. Graph the system of inequalities using the test point method.: y < -x y > -3 Click here to see answer by stanbon(57967)

 Question 313934: Hello, I am trying for hours to find the solution for the following equation. Unfortunately I am getting always a different answer. Can anybody help me solve this problem? x+y+z+u=1 2x+3y-4z+5u=2 3x-4y-3z+6u=0 Thanks a million in advance Click here to see answer by Edwin McCravy(8999)

 Question 314080: How long does it take the tutor to answer the questions? Click here to see answer by rapaljer(4667)

 Question 314045: Can someone help me with this problem? I dont understand test point method Graph the inequality x – 4y >4 using the test point method. Click here to see answer by Fombitz(13828)

 Question 314091: Write an equation of the line containing the given point and parallel to the given line. Express your anwser in the form y=mx+b. (4,6);x+2y=9 Click here to see answer by Fombitz(13828)

 Question 314127: y=mx+b through (-1,4) m=-2 Click here to see answer by Fombitz(13828)

 Question 314128: My question: Find Y-Intercept, X-Intercept For two points x1=10,x2=100 Logarthmic scale Y1= 0.6086271206 , Y2=0.9744801206 Linear Scale My E-mail:mustafa_hadi2@yahoo.com wait your anser Please send me answer on my Eimail Click here to see answer by Fombitz(13828)

 Question 314162: 4x + y = -24 I need to find the X and Y intercepts of this equation. I know that x=-6 and y=-24I just need to know some help knowing how to get there. Any help on this would be greatly appreciated. Click here to see answer by Fombitz(13828)

 Question 314170: what is the slope of the line passing through (5,) and (-4,5)? Click here to see answer by Fombitz(13828)

 Question 314118: Find Y-Intercept, X-Intercept For two points x1=10,x2=100 Logarthmic scale Y1= 0.6086271206 , Y2=0.9744801206 Linear Scale My E-mail:mustafa_hadi2@yahoo.com wait your anser Please send me answer on my Eimail Click here to see answer by Fombitz(13828)

 Question 314186: WORD PROBLEM: Two oil pipes deposit oil into a tank. One of the pipes is three times as large as the other. The larger pipe can fill the tank in 2 hours. How long will it take to fill the tank with both pipes? I have tried this problem over and over again and usually come up with the answer of 4 which makes no sense because the correct answer should be less than 2. Click here to see answer by nerdybill(7003)

 Question 314262: Find the point of intersection of the two lines: x + 3y = -4 & 2(1-y)= 4x + 1/2. I solved this and got point: (1.25,-1.75), but I don't remember ever having decimal #s as a point before. Click here to see answer by Fombitz(13828)

 Question 314285: y=x+ 7 y=x+2 are these lines parallel, perpendicular, or neither? Click here to see answer by nyc_function(2733)

 Question 314291: which of the following equations decribes the line shown below? check all that apply. (-4,10) and (-7,-5) Click here to see answer by Alan3354(31519)

 Question 314302: 7r/12 = -14? Click here to see answer by rfer(12730)

 Question 314270: how do you solve the y intercept using these points (3,4)and (-5,-2) Click here to see answer by checkley77(12569)

 Question 314490: Solve for z: 2/3= 3z+4/2z I got z= -12/5, but I wanted to double check that it was correct! :) Click here to see answer by Fombitz(13828)

 Question 314493: Solve for t: (2t+1)squared = 1/4(4t-1)squared. I've gotten a few different answers depending on how I solved this one; most recently I got t= -.75/6 Click here to see answer by eshomali(33)

 Question 314465: Elsa is driving on the highway. She begins the trip with gallons of gas in her car. The car uses up one gallon of gas every miles. Let represent the number of gallons of gas she has left in her tank, and let represent the total distance (in miles) she has traveled. Write an equation relating to , and then graph your equation using the axes below. There is a x and y graph involved too. What is this type of question under? For instance, is it Algebra or graphing? I have only found this so far "Writing Equations and drawing graphs to fit a narrative." Is there a standard name for the terms? Thanks. Click here to see answer by malaydassharma(59)

 Question 314780: Write the equation of the horizontal line that passes through (-1,4) Click here to see answer by Fombitz(13828)

 Question 314784: Write an equation of the line that passes through the point (2,-3) and is perpendicular to the line given by the equation 3x=4y+5. Give both the point-slope form as well as the slope-intercept form of the answer Click here to see answer by Fombitz(13828)

 Question 314786: write the equation of the horizontal line that passes through the point (-1,4) Click here to see answer by Fombitz(13828)

 Question 314790: write the equation of the vertical line that passes through the point (-1,4) Click here to see answer by Fombitz(13828)

 Question 314783: Write an equation of the line that passes through the point (2,-3) and is parallel to the line given by the equation 3x=4y+5. Give both the point-slope form as well as the slope-intercept form of the answer Click here to see answer by Fombitz(13828)

 Question 314880: I need help on solving by linear equation. 4x-5y=20 and 5x+5y=70 I need to show work. Click here to see answer by CharlesG2(828)

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