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

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Question 38811: I came up with parallel on this problem. Please check my work.
Are the following lines parallel,perpendicular, or neither
L1 through (-4,-7) and (1,3)
L2 through (2,6) and (4,10)
Thank you for your assistance,
JRR

Click here to see answer by Nate(3500) About Me 
Question 38811: I came up with parallel on this problem. Please check my work.
Are the following lines parallel,perpendicular, or neither
L1 through (-4,-7) and (1,3)
L2 through (2,6) and (4,10)
Thank you for your assistance,
JRR

Click here to see answer by checkley71(8403) About Me 

Question 38800: I do not understand and without your help i will fail please help me this might be my third time failing math i don't want to be the tallest person in my class please help me.!. Which line is parallel to 7x-9y+1=0 ?
THANK YOU FOR YOUR HELP

Click here to see answer by Nate(3500) About Me 

Question 38808: Solve for X, Y, and Z in the following system of three equations:
X + Y + 2Z = 8
X + Y = 4
X + 3Y + Z = 8

Click here to see answer by checkley71(8403) About Me 

Question 38742: 3x + 2y =16
2x + y =9

Click here to see answer by checkley71(8403) About Me 

Question 38746: Are the following lines parallel, perpendicular, or neither?
L1 through (-4,-7)and (1,3)
L2 through (2,6) and (4,10)
3/1- -7/-4= 10/5
10/4 - 6/2= 4/2
Is this problem parallel?
Thank you!

Click here to see answer by checkley71(8403) About Me 

Question 38741: 3x + 2y = 16
2x + y = 9

Click here to see answer by fractalier(6550) About Me 

Question 38860: What is a slope?
Click here to see answer by Nate(3500) About Me 
Question 38860: What is a slope?
Click here to see answer by Dramamama0811(3) About Me 

Question 38873: PLease help me write the equation of the line with x-intercept (3, 0) and y-intercept (0, 2).
Thank You

Click here to see answer by fractalier(6550) About Me 

Question 38978: Write the equation of the line that passes through point (5,-8) with a slope of -2.
Click here to see answer by checkley71(8403) About Me 

Question 38975: The equation y=2x-60 describes the amount of money a class of students might earn from candy bar sales. what are the slope and y-intercept of this line?

Click here to see answer by checkley71(8403) About Me 

Question 38920: 5. Solve the following system by addition. If a unique solution does not exist, state
whether the system is inconsistent or dependent.
2x + 3y = 1
5x + 3y = 16


Click here to see answer by checkley71(8403) About Me 

Question 38861: Please Help! a)Graph 4x+3y=12 b)Give the intercepts c)Give the slope
Click here to see answer by checkley71(8403) About Me 

Question 39049: I need help on changing linear units. Can you help me solve this problem:3,520yd =____mi
Click here to see answer by checkley71(8403) About Me 
Question 39049: I need help on changing linear units. Can you help me solve this problem:3,520yd =____mi
Click here to see answer by stanbon(75887) About Me 

Question 39068:
Please solve each absolute value inequality and graph the 
solution set. Please help!!
|3x - 7| > -3

Click here to see answer by AnlytcPhil(1806) About Me 

Question 39089: solve he following system by substitution
8x-4y=16
y-2x-4

Click here to see answer by lyra(94) About Me 

Question 39087: Solve the following system by substitution
8x-4=16
y=2x-4

Click here to see answer by sdmmadam@yahoo.com(530) About Me 

Question 39151: LET F(X) = -3X + 5
f(4)
I do not get how this would be done ?
heather

Click here to see answer by Nate(3500) About Me 

Question 39150: WRITE AN EQUATION OF THE LINE THROUGH THE GIVEN POINTS
(-4,-8) , (0,2)

Click here to see answer by checkley71(8403) About Me 
Question 39150: WRITE AN EQUATION OF THE LINE THROUGH THE GIVEN POINTS
(-4,-8) , (0,2)

Click here to see answer by Nate(3500) About Me 

Question 39067: Please help solve the following problem. Solve each system by graphing.
1. 2x - y = 4
2x - y = 3

Click here to see answer by Nate(3500) About Me 

Question 39178: Write the equation of the line that passes through the piont (4,-9) with the slope 1/5 in piont-slope form
Click here to see answer by Nate(3500) About Me 
Question 39178: Write the equation of the line that passes through the piont (4,-9) with the slope 1/5 in piont-slope form
Click here to see answer by checkley71(8403) About Me 

Question 39177: Rewrite the equation y= -6/5x+3/2 in standard form with integer corffiviets
Click here to see answer by Nate(3500) About Me 

Question 39265: Where would the graph of y = 5x+3 cross the y axis
Click here to see answer by Canti(4) About Me 

Question 39290: Word Problem--
Adult tickets for a play cost $4 and child tickets costs $1. If there were 23 people at a performance and the theater collected $80 from ticket sales, how many children attended the play?

Click here to see answer by checkley71(8403) About Me 

Question 37429: Rewrite the equation 2x – 3y = -6 as a function of x.
Click here to see answer by fractalier(6550) About Me 

Question 39350: Solve the inequality.
(1/3)x<5+(2/3)x

Click here to see answer by hellyeah(21) About Me 

Question 39344: how do you find the equation of a line? How do you know whether something is greater than or equal to or greater than and equal? I get the open circle closed circle thing mixed up! Thanx much
Click here to see answer by Cintchr(481) About Me 

Question 39377: After 2 minutes on a treadmill, Jenny has a heart rate of 82. After 3 minutes she has a heart rate of 86. Assume that there is a linear equation that gives her heart rate h in terms of time on the treadmill t. Find the equation and use it to predict her heart tate after 10 minutes on the treadmill.
Click here to see answer by venugopalramana(3286) About Me 

Question 39376:
y<_2
y<_2/3x-1
graphed
this is not out of our text
this is why I can not find an example to go by

Click here to see answer by longjonsilver(2297) About Me 

Question 39375: y<_x-1
y>_-3
also needs graphing

Click here to see answer by longjonsilver(2297) About Me 

Question 39379: Solve the inequality:
(4/3)(x+1)≤(1/2)(x-3)

Click here to see answer by longjonsilver(2297) About Me 

Question 39343: SOLVE THE INEQUALITY. COLLECT THE XS ON THE LEFT SIDE. WRITE THE SOLUTION SET IN INTERVAL NOTATION: (4/3)(X + 1)< (1/2)(X - 3)
Click here to see answer by AnlytcPhil(1806) About Me 

Question 39450: Graph this system of inequalities. Name the coordinates of the verics of the feasible region. Find the maximum and minimum values of the given function.
y >= 2
1 =< x =< 5
y =< x + 3
f(x,y) = 3x-2y

Click here to see answer by stanbon(75887) About Me 

Question 39579: Solve the system by graphing.
3x+y=6
3x-y=0

Click here to see answer by Nate(3500) About Me 

Question 39578: Write the equation of the line passing through -3,-5 and 3,0.
Click here to see answer by Nate(3500) About Me 

Question 39570: Graph the following
3x - 4y is less than or equal to 12
Thank you!

Click here to see answer by Nate(3500) About Me 

Question 39585: Graph the function
f(x)= -2x - 5

Thank you!

Click here to see answer by Nate(3500) About Me 

Question 39622: Find the midpoint of line segment PQ.
Q(-3,5) P(-5,-5)

Click here to see answer by venugopalramana(3286) About Me 

Question 39676: I cant figure out how to solve the literatal equation for the indicated variable.

A = 1
__
2h (B +b) (FOR b)
area OF TRAPEZOID.

Click here to see answer by fractalier(6550) About Me 

Question 39674: I cant figure out how to solve the literatal equation for the indicated variable.



2x +3y =6 (for x ) Linear equation

Click here to see answer by fractalier(6550) About Me 

Question 39621: P(6,8), Q(12,16)
Click here to see answer by tran3209(100) About Me 

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, 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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