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

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Question 833651: Help me solve this for t please.
F = tu^2 + tvu for t.

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

Question 833650: 3x + 4y = 28

Click here to see answer by Lanemichaelcohen17(1) About Me 

Question 833628: Hi. I tried to solve the following problem but I'm not too sure about my solution:
F=tu^2+tvu
F = tu^2 + tvu
-tu^2 -tu^2
____________
F-tu^2 + tvu
I then divide both sides by vu and came up with t=F-tu^2 over vu.
Please help.

Click here to see answer by Alan3354(69443) About Me 

Question 833624: Help me solve this problem please.
7(8x+1)-7<8(7x-9)+6

Click here to see answer by josgarithmetic(39617) About Me 

Question 833687: Please help me solve this equation
6×+5=3×-10

Click here to see answer by rfer(16322) About Me 
Question 833687: Please help me solve this equation
6×+5=3×-10

Click here to see answer by richwmiller(17219) About Me 

Question 833797: Encontrar las expresiones algebraicas y graficarlas:
e.Recta cuya pendientes es ¾ y pasa por el punto (-5,-7)

Click here to see answer by Edwin McCravy(20055) About Me 

Question 833954: Find Slope of Line 4x+5y=-2
Click here to see answer by sofiyac(983) About Me 

Question 834214: Please show how to solve the function F(x)=-(x+3)^2+5
Click here to see answer by Theo(13342) About Me 

Question 834241: What is the slope of the line that contains the points (4,-4) and (7,-6)? Explain how you arrived at your solution
Click here to see answer by Fombitz(32388) About Me 

Question 834269: please I need help, how solve the equation please. so i can explain my daughter
(5t)/(2t+6)-(4)/(t^2-9)=5/2

Click here to see answer by Fombitz(32388) About Me 

Question 834037: find the slope of a line containing (6,5) and having an x-intercept of 4

Click here to see answer by Fombitz(32388) About Me 

Question 834439: I need to find the intercepts and the graph the line for 2x-10y=0. I have tried i come up with (0,0), so i tried to make x=1 which leads me to (1,1/5) and x=-1 which leads me to (-1,1/5) but the line doesn't seem to match up right.
Click here to see answer by josgarithmetic(39617) About Me 

Question 834505: 3x+2y=16
Click here to see answer by jim_thompson5910(35256) About Me 

Question 834501: Write an equation of the line that is parallel to line a and passes through the point (0,9)
Line a is formed from points (-3,3) and (0,1)

Click here to see answer by josgarithmetic(39617) About Me 

Question 834493: Graph a line passes theough (0,3)and is perpendicular to the y - 2x =4
Click here to see answer by josgarithmetic(39617) About Me 

Question 834517: What is the difference between a scatter plot and a line graph? Provide an example for each. Does what seem better than the other? In what ways is it better?
Click here to see answer by josgarithmetic(39617) About Me 

Question 833876: What is the equation of the vertical line through the point (1,3)
Click here to see answer by tommyt3rd(5050) About Me 

Question 834539: (b) The average rate of change of the linear function f(x) = 6x + 1 between any two points is
Click here to see answer by Fombitz(32388) About Me 

Question 834599: Step by Step: Find the equation of the line perpendicular to y=2x-3 and passing through the point (1, -2).
Click here to see answer by Fombitz(32388) About Me 

Question 834602: Find the equation of the line that passes through the point (-5,2) and is perpendicular to the line through (-4,1) and (1,3).
Click here to see answer by josgarithmetic(39617) About Me 

Question 834678: put in slope intercept form
(-1,-6) and (-4,-7)
I got m=1/3 , which is wrong

Click here to see answer by josgarithmetic(39617) About Me 
Question 834678: put in slope intercept form
(-1,-6) and (-4,-7)
I got m=1/3 , which is wrong

Click here to see answer by Alan3354(69443) About Me 
Question 834678: put in slope intercept form
(-1,-6) and (-4,-7)
I got m=1/3 , which is wrong

Click here to see answer by Fombitz(32388) About Me 

Question 834646: Find the equation of the line that passes through the point (3,2) and is parallel to the line x=4
Click here to see answer by josgarithmetic(39617) About Me 

Question 834697: write the equation of the line passing through the points (3,-7) with slope -2/3
I set it up like this:
y-(-7)=-2/3(x-3)
y+7=-2/3x-3
y=-2/3x-3-7
y=-2/3x-10
but I got it wrong. It said the b value is -5, How?

Click here to see answer by jim_thompson5910(35256) About Me 

Question 834734: I need a step-by step example of writing the equation of the line which passes through (5,-38) and (-1,3) write the answer in slope-intercept form. Please. :)
Click here to see answer by jim_thompson5910(35256) About Me 

Question 834749: Hi! I need help writing this in slope-intercept form. Here is my question: Equation of the line which passes through (1,-13) and (-1,-5) write in slope-intercept form. I need the exact steps to solve this please. It has been a while since I've done this, and I cannot remember how to do it to get the simplified answer in slope-intercept form.
Thank you!!!

Click here to see answer by Alan3354(69443) About Me 

Question 834751: 1.)equation of the line in slope intercept form
(-5,-1) and (-3,-4)

2.)then the equation of theline
(7,-7) with slope -6/7

Click here to see answer by Alan3354(69443) About Me 

Question 834738: equation of a line
(-2,-8) and (-7,-5)
I got y=3/5x+-2/5
Is this right?

Click here to see answer by Alan3354(69443) About Me 

Question 834775: Is there a line that contains all given points? (-5,22)(-1,6)(3,-10)(6,-22)(8,-30) If so what is the equation of the line. If there is no line that includes all points what is the equation of a line that contains most of the given points
Click here to see answer by Alan3354(69443) About Me 

Question 834809: Write the equation of the line satisfying the following condition. Passes through (-4,-2) with slope undefined

Click here to see answer by Alan3354(69443) About Me 

Question 834923: how can you use the graph to determine the degrees Celsius that correspond to a given Fahrenheit temperature?
Click here to see answer by josgarithmetic(39617) About Me 

Question 835417: m+4=13 over 2

Our lesson is Liner Equation: Fraction Coefficients

Click here to see answer by Fombitz(32388) About Me 

Question 835267: Write a slope-intercept equation for a line passing through the given point that is parallel to the given line. Then write a second equation for a line passing through the given point that is perpendicular to the given line.
(-1,6), f(x)=2x+9
I found f(x)= 2x+8 parallel
& f(x)=-1/2x+11/2 perpendicular
Is this correct? I get confused w/the negative in front of a minus sign.

Click here to see answer by Fombitz(32388) About Me 

Question 835328: An equation of a line through (1, -7) which is parallel to the line y=-2 x +2 has slope
Click here to see answer by Fombitz(32388) About Me 

Question 835468: how do you write (5,7) and (-7,5) into a general form linear equation?
Click here to see answer by LinnW(1048) About Me 

Question 835548: The equation of the line that goes through the points (-1,1) and (3,9) is y=2x+3. True or false?
Click here to see answer by Alan3354(69443) About Me 
Question 835548: The equation of the line that goes through the points (-1,1) and (3,9) is y=2x+3. True or false?
Click here to see answer by Fombitz(32388) About Me 

Question 835514: A hotel has 200 rooms. Those with kitchen facilities rent for $100 per night and those without kitchen
facilities rent for $80 per night. On a night when the hotel was completely occupied, revenues were
$17,000. How many of each type of room does the hotel have?

Click here to see answer by josgarithmetic(39617) About Me 

Question 835577: If the line y=2/3x+8 were graphed what would be the x-intercept
Click here to see answer by Fombitz(32388) About Me 

Question 835587: If the line 4x-3y=-12 were graphed what would be the y-intercept
Click here to see answer by josmiceli(19441) About Me 

Question 835608: Please help me solve this problem n%2F%28n-9%29%2B4=n%2F%28n-9%29
Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 835689: y+3/4=9 1/2
Click here to see answer by stanbon(75887) About Me 

Question 835701: solve the equation in the real number system 7x^4-78x^3+284x^2-354x+45=0
what are the real solutions of the equation

Click here to see answer by richwmiller(17219) 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, 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, 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