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

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Question 627348: Find the x- and y-intercepts and graph the equation plotting the intercepts 7x-4y=14. Please show all of your work.

Click here to see answer by jim_thompson5910(35256)

Question 627348: Find the x- and y-intercepts and graph the equation plotting the intercepts 7x-4y=14. Please show all of your work.

Click here to see answer by ewatrrr(24785)

Question 627580: -2(4x+5)=3(x+4) need to see exactly how you solve this problem.
Click here to see answer by MathLover1(20849)

Question 627580: -2(4x+5)=3(x+4) need to see exactly how you solve this problem.
Click here to see answer by ankor@dixie-net.com(22740)

Question 627667: the line y=3x+4 and y=ax+2 are parallel if a = ?
i'm confused on to how to figure this out.
Click here to see answer by jim_thompson5910(35256)

Question 627669: Solve 3x � 5y = 17
9x � 15y = �4
Please show work
Click here to see answer by jim_thompson5910(35256)

Question 627563: solve the equation: 1/2(6+4x)-1/4(8x-12)=1/2(2x-4)
Click here to see answer by Maths68(1474)

Question 627682: Solve 7x � 2y = �3
14x + y = 14
Please show work
Click here to see answer by jim_thompson5910(35256)

Question 627686: Solve 5x � 6y = �38
3x + 4y = 0
Please show work
Click here to see answer by 56592526(1)

Question 627713: In relation to a bank account, think of a linear equation (y = mx + b). What would the slope represent? What would the y-intercept represent? Please give an example.

Click here to see answer by jim_thompson5910(35256)

Question 627708: Solve 5x + 2y = 7
10x + 4y = 14
Please show work
Click here to see answer by jim_thompson5910(35256)

Question 627729: Samantha is going on vacation for the summer and is trying to choose between two different plans. The first plan costs $450 for 3 days at a hotel and 2 days at an amusement park. The second plan offers 5 days at the same hotel and 3 days at the amusement park for $700. The cost of 1 day at the hotel and the amusement park is the same under both plans. How much does a 1 day trip to the amusement park cost?
Please show work.
Click here to see answer by solver91311(24713)

Question 627672: Solve 5x + 2y = 7
10x + 4y = 14
Please show work
Click here to see answer by Alan3354(69443)

Question 627793: Write the equation of the line given in the graph.

Click here to see answer by nerdybill(7384)

Question 627814: graph y=- 1/5x-2

Click here to see answer by reviewermath(1029)

Question 627821: I have graphed every equation and I am stumped on this one.. I need help!
Y=-3x^2-6x-5
Click here to see answer by reviewermath(1029)

Question 627823: y=-3x^2-6x-5 I cant figure this one out. I need to graph it and can't figure out how..
Click here to see answer by reviewermath(1029)

Question 627857: 1)Write the following as an equation, using x for the unknown number.Then solve.
Three-fourths of a number is 7/8. Find the number in lowest terms
2)The sum of four times a number and 8 is equal to the difference of twice the number and 2. Find the number
3)Solve the inequality. Express the solution set in set-builder notation 36x+12<=6(5x+5)
Click here to see answer by ewatrrr(24785)

Question 627795: Find the slope of the line using the two plotted points in the graph.

Click here to see answer by ankor@dixie-net.com(22740)

Question 627923: Let L1 be the line y=x+2. Let L2 be a parallel line which passes through the point (0,4). What is the shortest distance from L1 to L2?
Answers:
A. 4
B. 1/2
C. 2
D. sqrt2
Click here to see answer by ewatrrr(24785)

Question 627944: What is the answer for
Write equation in slope intercept form.
Through (-7,-10); verical

Click here to see answer by ewatrrr(24785)

Question 625826: 2x+5=47-4x
2x+4x=47-5
6x=45
x=45/6
Click here to see answer by lenny460(1073)

Question 628002: using the substitution method to solve the following system of equations.
x + y = 3
2x + 2y = 10
Please show work
Click here to see answer by richwmiller(17219)

Question 628181: how do i use the given conditions to write an equation for the line in point slope form
slope=4, passing through(-3,7)

Click here to see answer by solver91311(24713)

Question 628257: Write the slope - intercept equation for the line that passes through (-1,-3) and (-2,5)
Click here to see answer by jim_thompson5910(35256)

Question 628261: Given the linear equation y = -4/7x - 5, find the y-coordinates of the points (-7), (0), and (7).
Click here to see answer by MathLover1(20849)

Question 628280: solve for y in the first equation.
3x + y = 9
4x � 3y = 6
Please show work
Click here to see answer by reviewermath(1029)

Question 628281: What is the value of y in the solution to the following system of equations?
5x � 3y = �3
2x � 6y = �6
Please show work
Click here to see answer by reviewermath(1029)

Question 628304: Consider the line 8x-7y=-1, find the equation of the line that is parallel to this line and passes through the point (1,3). Find the equation of the line that is perpendicular to this line and passes through the point (1,3)
Click here to see answer by lwsshak3(11628)

Question 628341: write am equation in slope-intercept form with a slope of 7 and y intercept of 1.
Click here to see answer by richwmiller(17219)

Question 628315: Hi! I'm having trouble with my Math homework and I'm hoping that you could answer it.
Here is the problem:
A pipe that takes 30 minutes to fill a tank has been running to fill an empty tank. After 10 minutes, it is shut off and then a second pipe was opened and was able to fill the tank in 15 minutes. How long will it take the second pipe alone to fill the tank?
Thanks so much!
Click here to see answer by ankor@dixie-net.com(22740)

Question 628316: Hi! I have another question on applications of linear equations. That is, word problems.
A fast train was help up by a red-light signal for 16 minutes and made up for the lost time on a 80-km stretch travelling at 10 kph faster than called by schedule. What is the scheduled speed of the train?
Thank you so much!
Click here to see answer by ankor@dixie-net.com(22740)

Question 628441: a certain mountain has has an elevation of 19260. in 1916 the glacier on this peak covers 9 acres.by 2001 the glacier has melted to only 1 acre.
what is the equation that gives the acreage of the glacier t years after 1916?
Click here to see answer by stanbon(75887)

Question 628451: Graph x + 4 = y
Click here to see answer by reviewermath(1029)

Question 628452: Graph |x| + 1 = y
Click here to see answer by reviewermath(1029)

Question 628453: Graph 2x + 3 = y
Click here to see answer by reviewermath(1029)

Question 628455: Graph x = y,
Click here to see answer by reviewermath(1029)

Question 628456: find the slope and y-intercept of the line in the given equation.
y=-1/5x-6
Click here to see answer by jim_thompson5910(35256)

Question 628454: Graph x = 4
Click here to see answer by jim_thompson5910(35256)

Question 628454: Graph x = 4
Click here to see answer by reviewermath(1029)

Question 628457: write the slope-intercept equation for the line that passes through (-5, 10) and (-4, 3). Please show all of your work.
Click here to see answer by jim_thompson5910(35256)

Question 628457: write the slope-intercept equation for the line that passes through (-5, 10) and (-4, 3). Please show all of your work.
Click here to see answer by reviewermath(1029)

Question 628458: Write the slope-intercept equation for the line that passes through (-5, -8) and is perpendicular to 10x � 6y = -11 Please show all of your work.
Click here to see answer by reviewermath(1029)

Question 628500: Find the slope of the line with these given points (9, 3) and (3, -6)
Click here to see answer by jim_thompson5910(35256)

Question 628542: What time after 8 o� clock will the hands of the continuously driven clock be opposite each other?

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, 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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, 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