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

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Question 902960: Graph the line that passes though the given point and has the given slope. (4,2), slope - 1/5
Click here to see answer by mananth(16946)

Question 902958: Use the point-slope form to find an equation of the line with the given slope and point. The write the equation in slope-intercept form. Slope 8, passes through (2,6)
Click here to see answer by Fombitz(32388)

Question 903011: Solve the equation for n:
3^4 + 3^4 + 3^4 =3^n
Click here to see answer by Fombitz(32388)

Question 903034: Find the equation of the line that is perpendicular to -3x+y=-4 and passes through (4,1)
Click here to see answer by ewatrrr(24785)

Question 903033: Find the equation of the line that is parallel to 5x+(3/2)y=19 and passes through (3,4)
Click here to see answer by ewatrrr(24785)

Question 903035: What is the slope of this line? (9/5)x-2y=7
Click here to see answer by ewatrrr(24785)

Question 903087: Trying to write this equation in slope - intercept form:
x-5y=10
Click here to see answer by Fombitz(32388)

Question 903176: trying to find the slope-intercept form that passes thru these given points (-3,-3) (1,9)
Click here to see answer by lwsshak3(11628)

Question 903235: 3x+2<=-1 or 11-x<=4
Click here to see answer by lwsshak3(11628)

Question 903336: I don't get how they got -16 for K out of -3/8k + 4 =10
Click here to see answer by jim_thompson5910(35256)

Question 903314: Find the equation of the line that contains the given point and has the given slope. (Let y be the dependent variable and let x be the independent variable.)
Point (1, 2), m = 3/4

Click here to see answer by josgarithmetic(39617)

Question 903369: How do I solve -3x+2y=1
-5x-9y=-23
Click here to see answer by mananth(16946)

Question 903394: Solve each system of equations by graphing:
(y = x +3
(y = - 2x - 3
Click here to see answer by mananth(16946)

Question 903393: Solve each equation by graphing:
(x + y = 4
(x -y = - 2
Click here to see answer by Fombitz(32388)

Question 903393: Solve each equation by graphing:
(x + y = 4
(x -y = - 2
Click here to see answer by tutoringisfun(17)

Question 903412: calculate the rule for each set of variable. Express the second variable as a formula in terms of the first variable.
X 1 2 3 4
Y 3 5 7 9
Click here to see answer by stanbon(75887)

Question 903460: `assume that the line y=(2a-1)x-4 and the line x/3-y/2=1 are perpendicular to each other, find a.
Click here to see answer by ewatrrr(24785)

Question 903558: use the given conditions to write an equation for the line in the point-slope form and in slope-intercept form. passing through (-6,-6) and parallel to the line whose equation is y=-4x+3
Click here to see answer by josgarithmetic(39617)

Question 903269: I don't know how to do this:
2/3( x-3)+6=1/6(2x+24)
Thank you!
Click here to see answer by ankor@dixie-net.com(22740)

Question 903584: I have a math problem that I can't understand. The sum of two numbers is 87. if twice the smaller number is subtracted from the larger number, the result is 12. Find the two numbers.
My question is. How do I write these equations?

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

Question 903620: Write an equation of the line satisfying the given conditions. Write the answer in slope-intercept form.
The line is perpendicular to the line defined by y = 4x � 8 and passes through the point (4, 3).
Click here to see answer by josgarithmetic(39617)

Question 903920: Write down the equation of the line AB through (3,2) and perpendicular to the line 2y = 3x + 5.

Click here to see answer by mananth(16946)

Question 903961: Find a real number k such that the line 3x-ky+2=0 has y-intercept -3 . Find the value of k.
Click here to see answer by Theo(13342)

Question 904188: evaluate f(x)=2;f(-4)
Click here to see answer by Alan3354(69443)

Question 904149: A farming cooperative mixes two brands of cattle feed. Brand X costs $25 per bag and contains 2 units of nutritional element A, 2 units of element B, and 2 units of element C. Brand Y costs $20 per bag and contains 1 unit of nutritional element A, 9 units of element B, and 3 units of element C. The minimum requirements for nutrients A,B,& C are 12 units, 36 units, and 24 units, respectively. Find the number of bags of each brand that should be mixed to produce a mixture having a minimum cost per bag. What is the minimum cost per bag?
Please show all your work. I am really bad with Linear Programming.
Click here to see answer by Theo(13342)

Question 904293: How do you solve this linear equation and graph?14x=-4y+20
Click here to see answer by mananth(16946)

Question 904234: Find the value of k so that the line containing the points (-3,6) and (4,k) is perpendicular to the line containing the points (-9,-4) and (4,-1).
Click here to see answer by richwmiller(17219)

Question 903759: Which of the following points are on the graphs of both the equation y = x + 2 and the equation y = x2 (x square) in the xy-plane? (Indicate all that apply)
a) (-2 , 0)
b) (-1 , 1)
c) (0 , 2)
d) (1 , 1)
e) (2 , 4)
Click here to see answer by richwmiller(17219)

Question 904394: a has 20% more money than b, and c has 20% less money than b.what percent more money does a have than c?
Click here to see answer by ewatrrr(24785)

Question 904541: The y-intercept of the line whose equation is x - y = -1 is
-1
0
1
Click here to see answer by ewatrrr(24785)

Question 904694: find the equation of the line through (-3,1) perpendicular to y=3/5x+5
Click here to see answer by MathLover1(20849)

Question 904785: Determine whether y varies directly as x, if yes find the variation
y=-1.2x
y-3x=1
y+2=x
y=-3.5x+7
Click here to see answer by jim_thompson5910(35256)

Question 904907: A straight line is parallel to y=-3x+2 and passes through (2,-1).
1)Find the gradient of the straight line
2) The equation of the straight line
3) The y-intercept of the straight line
Click here to see answer by richwmiller(17219)

Question 904732: A Web music store offers two versions of a popular song. The size of the standard version is 2.5 megabytes (MB). The size of the high-quality version is 4.8 MB. Yesterday, there were 800 downloads of the song, for a total download size of 3288 MB. How many downloads of the high-quality version were there?
Click here to see answer by richwmiller(17219)

Question 904833: Use the elimination method to solve each system:
(7a - 5b = 24
(12a + 8b = 8
Click here to see answer by richwmiller(17219)

Question 904940: Write the equation of a line with a slope of and a y-intercept of (0, -2).

Write the equation of a line with a slope of -4 passing through the point (-3,-1).

Write the equation of the line that passes through the points (2,-6) and (-2,-4).

Write the equation of a line parallel to the line 2x - 5y = 10 with a y-intercept of (0,-1). Write your answer in standard form.

Click here to see answer by MathLover1(20849)

Question 904948: y+6=8(x-1) What is the point and slope?

Click here to see answer by Fombitz(32388)

Question 905058: 5x+6+x>_ 2+2x-4
Click here to see answer by Math_Boss(45)

Question 905206: {X^2+y^2=100
{y-x=2
It's a linear-quadratic system :/
Click here to see answer by Math_Boss(45)

Question 905244: how to you figure out -4.3g = 25.8g? I plugged it in on the algebra solver, but i still do not understand the steps. can you explain it again to me?
Click here to see answer by josgarithmetic(39617)

Question 905443: complete the table with data when x represents the number of yrs past 1950.
yr:1950 1955 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 2010 2011 2012
x:
y:837 1559 1328 1700 1934 2373 2847 3173 3746 4207 4853 5439 9817 10128 10487

Thanks
Click here to see answer by ewatrrr(24785)

Question 905440: sketch example of the following function:
polynomial function with degree of 3

Thanks
Click here to see answer by ewatrrr(24785)

Question 905491: find slope of 1/2x+3/4y=1/3
Click here to see answer by Fombitz(32388)

Question 905237: find the equation of the line that goes through (4,0) and is perpendicular to y=-1/4x-1 what is the y-intercept
Click here to see answer by Fombitz(32388)

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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, 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, 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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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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, 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