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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 872449: i need help coming up with a real life situation to go with the equation y=4x+1
Click here to see answer by ewatrrr(24785)

Question 872553: What is the slope of the line that passes through the points (-1, 2) and (-4, 3)?
Click here to see answer by Alan3354(69443)

Question 872518: x+2y-4=0 i don't understand how to solve it ?!
Help & thanks
Click here to see answer by rothauserc(4718)

Question 872662: write down the gradient of the line whose equation is y = 4
Click here to see answer by Fombitz(32388)

Question 872796: calculate the slope between (3, 6) and (0, 11)
Click here to see answer by jim_thompson5910(35256)

Question 872815: Which equation best describes the relationship between x and y in this table?
x y
2 8
6 28
10 48
14 68

Click here to see answer by josgarithmetic(39617)

Question 872982: I need to graph the following
5y = 2y -9
I assume it will be a straight line parallel to either the x or y coordinate, but the 2 y's are confusing me.
Click here to see answer by psbhowmick(878)

Question 873115: Find the Formula that shows relationship between x and y, could i please have step by step instructions on this.
x y
0 4
1 7
2 10
3 13
Then plot the points on a graph,
Much appreciated Molly

1
2
3
Click here to see answer by reviewermath(1029)

Question 873306: Which is an equation for the line that contains the points (-3, 5) and (1, -3)?
Click here to see answer by rfer(16322)

Question 873401: How do I graph the equation. X+2y=0.
I tried x=2 and y=-4
Click here to see answer by ewatrrr(24785)

Question 873497: Need to know the y intercept of the following equation. I believe it is 0, -1/3
Equation = y=4x-1/3
Slope would be 4, but not certain that the y intercept is -1/3.
Click here to see answer by Alan3354(69443)

Question 873504: 5x+y=-3
Click here to see answer by ben720(159)

Question 873544: Write the following equation in designated forms for a point (-3,4) and is parallel to the graph x + 3y = -8?
Slope Intercept:_________________
Parallel through (-3,4):_______________
Click here to see answer by josgarithmetic(39617)

Question 873724: which equation describes a line that passes through (0,3) and is perpendicular to the line described by y=-5x-4?
Click here to see answer by Fombitz(32388)

Question 873895: Which ordered pair is on the graph of the equation 2x + 5y = 4?
Click here to see answer by Fombitz(32388)

Question 874030: Which ordered pair is a solution to the equation 3x + 5y = 9?

A.
(�2, �3)

B.
(�2, 3)

C.
(2, �3)

D.
(2, 3)

Click here to see answer by Fombitz(32388)

Question 874128: A Linear Function has a y- intercept of -7 and a slope of 3. What is the equation of the line?
Click here to see answer by jim_thompson5910(35256)

Question 874171: problem: Write each equation in standard form using integers.
Y = 3x + 1
Click here to see answer by jim_thompson5910(35256)

Question 874270: Suppose you drive to Reno at constant speed, and you notice that after you have been on the road for one hour and a half, you pass a sign saying it is 100 miles to Reno, and after driving an additional half-hour you pass a sign saying it is 65 miles to Reno.
(a) Find the equation in point-slope form for your distance from Reno
(b) Find the slope, x-intercept and y-intercept

Click here to see answer by stanbon(75887)

Question 874269: determine the equation of the line through (7,3), which is parallel to the line defined by 2x+3y=4
Click here to see answer by mananth(16946)

Question 874304: Learning how to graph
2x+y=-5
3x+3y=9
Click here to see answer by mananth(16946)

Question 874437: how do you graph y+ -x +5 ?
Click here to see answer by rothauserc(4718)

Question 874517: What is the equation of the line that is perpendicular to the linear graph of y=−23x+5and passes through the point (0, �2)?

Click here to see answer by josgarithmetic(39617)

Question 874644: Show the solution sets written algebraically and as a union or intersection of intervals. Please show all work so I can see how it is done. Thank you.
4x + 7 < 11 or 1 � x ≤ -2
Click here to see answer by rothauserc(4718)

Question 874674: Please help me with this equation I need ordered pairs
4x-y=10
-2x+4y=16

Thanks
Click here to see answer by josgarithmetic(39617)

Question 874691: I'm studying for my finals and I can't figure this question out. I can't remember the steps.
Find an equation for the line which passes through the point (30,-6) and is perpendicular to the line 3x+5y=15
Click here to see answer by josgarithmetic(39617)

Question 874697: Please help me solve this equation: For what value of k will 2x-ky=1 pass through (2,7)?
Click here to see answer by josgarithmetic(39617)

Question 874692: I am having a hard time figuring this out.
Graph the system using either the intercept method or slope intercept method. state and explain the system as if it is dependent, inconsistent, and independent.
2u+v=5
u-2v=3
Click here to see answer by richwmiller(17219)

Question 874681: Find the equation of the line with x-intercept 4 and y-intercept 8
Click here to see answer by mananth(16946)

Question 874751: what is the common number
input out
27 - 7
16 - 8
50 - 6
48 - 7
nellyhmedeiros@hotmail.com
Click here to see answer by ewatrrr(24785)

Question 875026: tell whether the ordered pair is a solution of the equation y=x-3 (1,-4)

Click here to see answer by jim_thompson5910(35256)

Question 875266: A company spends $10,000 on researching a new product. it will cost the company three dollars to make each product. the product will sell for eight dollars how many projects must be sold in order to break even?

Click here to see answer by ewatrrr(24785)

Question 875292: if h(x)=2x^2+3x+1, find h(-2)
Click here to see answer by jim_thompson5910(35256)

Question 875293: given the equations 2x+y=1 and y=x+7 find the value of x-y
Click here to see answer by ewatrrr(24785)

Question 875381: Perpendicular to the line y = x + 9; containing the point (5, -3)
Click here to see answer by josgarithmetic(39617)

Question 875529: A line passes through the points and (-10,-4) (-1,2) What is the slope of the line that passes through the two points?
Click here to see answer by ganta.santoshgk@gmail.com(1)

Question 875661: Solve:v/7=2
Click here to see answer by mananth(16946)

Question 875828: m/4-1/2=m/6+5
Click here to see answer by mareebsiddiqui(7)

Question 875870: Solve each system by graphing
2x+3y=3
x-y=4
Click here to see answer by Fombitz(32388)

Question 875989: Please help me with this problem: What is the slope of the graph of 6x+2y=7
I have tried the rise/run formula and have had no luck. I have also tried graphing it but am having trouble.

Thank you,
Morgan.
Click here to see answer by Fombitz(32388)

Question 876016: what is the slope of the line passing through the points (-4,-3)and (8,-9)
Click here to see answer by ewatrrr(24785)

Question 876033: how to find the slope in the equation 5y=2x+10
Click here to see answer by ewatrrr(24785)

Question 876432: y-x=7
y+x=9
is it one, no, or infinitely solutions?
Click here to see answer by jim_thompson5910(35256)

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, 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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, 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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, 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