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

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Question 620558: which linear equation represents a line containing the point (1,3)?
a) x+2y=5
b) x-2y=5
c) 2x+y=5
d) 2x-y=5
please explain how to get this answer

Click here to see answer by richard1234(7193)

Question 620564: find K for infinite solution
x+(k+1)y=5
(k+1)x +9y=8k-1
Click here to see answer by jim_thompson5910(35256)

Question 620591: Find the slope of the altitude to the line passing through (5,2) and (9,-6)
Click here to see answer by rfer(16322)

Question 620591: Find the slope of the altitude to the line passing through (5,2) and (9,-6)
Click here to see answer by lenny460(1073)

Question 620592: Which of the following points is on the line joining (3,1) and (4,3)?
a) (0,-5)
b) (5,20)
c) (-4,-25)
d) (-1,-10)
Click here to see answer by Alan3354(69443)

Question 620744:

Click here to see answer by Simran Khot(1)

Question 620922: What would be the point used to make the equation -31x+4y=382 ?
Click here to see answer by richwmiller(17219)

Question 620988: 16. Tell whether the following equation determines y to be a function of x:
y2 = x + 3
Click here to see answer by solver91311(24713)

Question 620991: Solve the following equation for w:
P = 2L + 2W
Click here to see answer by solver91311(24713)

Question 620992: The function f(x) = x3 is called the _______ function.
Click here to see answer by jim_thompson5910(35256)

Question 621147: 2x+y=5
4x+2y=10
Use the method of substitution to solve
the system of linear equations. These systems may have
no solutions, one solution, or infinitely many solutions
Click here to see answer by Alan3354(69443)

Question 621138: Complete the following table for the equation y = x + 3:
Click here to see answer by Alan3354(69443)

Question 621189: M=5/6,(5,-9)
Find an equation of the line having the given slope and containing the given point. The equation of Line Y is?
I'm so lost with this.. The fractions keep throwing me off. Can you please help, as soon as possible.
Click here to see answer by solver91311(24713)

Question 621180: Find the equation for the line that passes through the point (3,5), and that is parallel to the line with the equation (y-1=-2/3(x-1).
Note: -2/3 is suppose to be in fraction form, so it's -2 OVER 3. NOT DIVIDED
thanks,
Click here to see answer by nerdybill(7384)

Question 621075: What would the graph for the equation 4x-5y=12 look like?
Click here to see answer by ankor@dixie-net.com(22740)

Question 621067: Find the equation for the line that passes through the point (3,5), and that is parallel to the line with the equation -
(y-1)=-2/3(x-1).
[-2/3 is -2 OVER 3, NOT -2 divided by 3.]
Thanks,
Click here to see answer by KMST(5328)

Question 621281: Which set of numbers may represent the lengths of the sides of a traingle?
(1) {1,3,4}
(2) {4,4,9}
(3) {5,7,9}
(4) {8,5,3}
Click here to see answer by Alan3354(69443)

Question 621356: The range of the relation {(4,3),(1,-7),(1,-3),(2,9)} is
Click here to see answer by jsmallt9(3758)

Question 621361: use substitution to solve each system of equations. If the system does not have exactly one solution, state whether it has no solution or infinitely many solutions.
2m+n=1
m-n=8
Click here to see answer by dragonwalker(73)

Question 621453: Find the slope of the line that passes through the pair of points.

(0, �3), (�3, 1)
a.
c.
b.
d.
undefined

Click here to see answer by Alan3354(69443)

Question 621507: Find the equation of a line. Write the equation using function notation. Through (-4,-5) perpendicular to y = 4
Click here to see answer by Alan3354(69443)

Question 621375: 3x - 8y = 2
4x - 4y = 32
Click here to see answer by KMST(5328)

Question 621545: Write equations for the horizontal and vertical lines passing through the point 9,8
Click here to see answer by Edwin McCravy(20055)

Question 621559: i have tried this so many times.....
3x+9<4(x-5)-x+3+2x
Click here to see answer by math-vortex(648)

Question 621661: What is the slope of the line y - 6 = 2(x + 4)
Click here to see answer by josmiceli(19441)

Question 621782: 1. write the equation to the line with these points (3,-4),(3,-2)?
2. how to find the equation to the points of (1,4),(2,2)?
Click here to see answer by Alan3354(69443)

Question 621832: Find the slope of the line that passes through (2, 6), and (0, 2).
Click here to see answer by unlockmath(1688)

Question 621865: How do I solve 8n+10n=24?
Click here to see answer by Maths68(1474)

Question 621965: what is the slope for this line ? y= 1/2x -4
Click here to see answer by ewatrrr(24785)

Question 622045: What is the slope of the line that passes through (-2, 7) and (4, 9)?
slope = 3
slope = 1/3
slope = -1/3
Click here to see answer by Alan3354(69443)

Question 622094: solve
25/8=1/3b+3/2-5/2b
Click here to see answer by jim_thompson5910(35256)

Question 622140: 2+p=2p+1
Click here to see answer by jim_thompson5910(35256)

Question 622143: Hi!
I am working on Solving Systems of Linear Equations by Graphing.
What I don't understand is how to graph these linear equations:
-x + 3y = 10
x + y = 2
Basically, I need help solving for x & y first, and then graphing.
I've tried youtube videos and other resources, and cannot get it.
Thank you!
Click here to see answer by jim_thompson5910(35256)

Question 622206: I need to find a line parallel to y=2x+3. I don't know what to do.
Click here to see answer by solver91311(24713)

Question 622221: my problem, write the slope intercept equation for line with given slope that contains given point m=8/3; (3, -4)
Click here to see answer by jim_thompson5910(35256)

Question 622223: 20x -3(7x+6)< -8x +16 Write solution in set builder notation show work
Click here to see answer by nerdybill(7384)

Question 622164: Solve the system of equations for x and y: x - 2y = 3, -3x + 2y = 7
Click here to see answer by lynnlo(4176)

Question 622291: Find a general form equation for the line through the pair of points. (4,-1) and (4,5). I get 0 in the denominator. So it's undefined but how do I put it in general form?
Click here to see answer by ewatrrr(24785)

Question 622333: Can you help me find an equation of a line containing the point (1, 5) and parallel to f(x) = 3x - 4.

Click here to see answer by ewatrrr(24785)

Question 622335: The amount of water in a wading pool by given by the function w(t)=30+5t, where "t" is time in minutes and t= 0 corresponds to when a faucet is turned on to add water to the pool.
a. What is the rate of change of the water in the pool?
b. Is this an increasing or decreasing function?
c. How much water is in the pool an hour after the faucet has been turned on?
Click here to see answer by ewatrrr(24785)

Question 622350: what is the slope of y= 5x

Click here to see answer by ewatrrr(24785)

Question 622354: Use the information provided to write the vertex form equation of each parabola.
Vertex at origin, focus: (0, -1/4)

Click here to see answer by ewatrrr(24785)

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, 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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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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