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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 635939: The sum of -3x and 7 is equal to 14. What is x?
Click here to see answer by rose joseph(1)

Question 636032: Explain, in complete sentences, whether or not the expression x2 + 24x + 144 fits one of the special patterns. If so, which one?
Explain how the polynomial is factored.
Provide the factors.
Click here to see answer by ewatrrr(10682)

Question 636047: Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.
10x + 5y = 52.5
30x – 7y = 80.5
Click here to see answer by Alan3354(30955)

Question 636027: Consider two lines that form a linear system.
Line 1: slope = 4 and y-intercept of (0,-3)
Line 2: slope = 4 and y-intercept of (0,8)
Part 1: What type of lines would this be?
Part 2: How many solutions does this system have?

Click here to see answer by KMST(1863)

Question 636160: I have to determine the unique solution in a system of linear standard slope form y intercept, equations already given of a graphed perpendicular line or lines that cross each other. Help, I forgot how to simply find the unique coordinate.
(?# , ?#) I have screen shot if that will help you help me better
Penny
Click here to see answer by jim_thompson5910(28476)

Question 636054: Create your own trinomial. Write it in ascending order and identify its degree
Click here to see answer by Alan3354(30955)

Question 636173: how do i solve p equal 144p over y

Click here to see answer by Alan3354(30955)

Question 636182: Alex has twice as much money as Jennifer. Jennifer has $6 less than Shannon. Togethere they have $54. How much money does each have?
Click here to see answer by stanbon(57214)

Question 636294: Write an equation of the line containing the given pont ans parallel to the given line. (7,-6); 4x-9y=5.
The equation of the line is Y=__________?
Click here to see answer by reviewermath(500)

Question 636295: Find an equation of the line containing the given pair of points (-1,-3) and (-4,-7).
Can you please show in detail the part where you multiply the fraction also?
Click here to see answer by reviewermath(500)

Question 636324: What is the equation of the line passing through (0, 2) and perpendicular to the line y = 4x – 3 in slope-intercept form?
Click here to see answer by MathLover1(6612)

Question 636324: What is the equation of the line passing through (0, 2) and perpendicular to the line y = 4x – 3 in slope-intercept form?
Click here to see answer by ewatrrr(10682)

Question 636174: Write the equation of the line contining the given points
perpendicular to y= 2x-1, contains (2,7)
Click here to see answer by ewatrrr(10682)

Question 636334: Factor 4x^2+5x-6
Please show how
Click here to see answer by solver91311(16868)

Question 636342: what is the orderd pair of 5x-y=4

Click here to see answer by solver91311(16868)

Question 636291: 12=5+3(x-7)

Click here to see answer by jim_thompson5910(28476)

Question 634781: A vampire enters a town and bites 2 person every night. The bitten 2 persons grows in to two big vampires and bites 4 persons the next night. These 4 vampires bites 6 people the next night and the 6 bites 8 and so on.......how many vampires will be there on the 5th night?
Click here to see answer by jim_thompson5910(28476)

Question 636428: Need help solving this equation....1/2(4a+12)=2+3(6-a)

Click here to see answer by jim_thompson5910(28476)

Question 636440: Today the amount A of garbage
in pounds produced after t days by the average American
is given by A = 4.5t
Click here to see answer by Alan3354(30955)

Question 636477: I need to graph this problem showing the points as well. i am stuck and i cant seem to get it right Arrgghh :) thank you in advance
-3x+5y=25
Click here to see answer by lwsshak3(6460)

Question 636427: Find the slope‐intercept equation of the line with the following properties: Parallel to the line y= 6; containing the point (5,7)
Click here to see answer by Maths68(1474)

Question 636409: Graph linear equation
x-y=2
Thanks
Click here to see answer by KMST(1863)

Question 636561: The base of a triangle is 8 cm less than its height. If the area of the triangle is 42cm^2, find its base and height.
Click here to see answer by shebi123(1)

Question 636576: 35=1/3b(5) solve for b v=1/3bh
Click here to see answer by nerdybill(6948)

Question 636544: Explain, in complete sentences, how you would completely factor 2x3 – 24x2y + 12xy – 144y2 by using the grouping method. How would you check your factors for accuracy?

Click here to see answer by KMST(1863)

Question 636684: How do I graph y=-x-10
Click here to see answer by lenny460(753)

Question 636684: How do I graph y=-x-10
Click here to see answer by MathTherapy(1421)

Question 636798: Solve the system of linear equations algebraically and check any solution.
x+y+z=6
2x-y+z=3
3x -z=0
Click here to see answer by ewatrrr(10682)

Question 636758: graph the line x-4y=-4
Click here to see answer by lenny460(753)

Question 636913: Write an equation in slope-intercept form of the line satisfying the given conditions. The line passes through (9, -5) and is parallel to the line whose equation is y=3x + 4. Type the slope-intercept form of the equation of the line.
Click here to see answer by stanbon(57214)

Question 637009: Solve the equations for x and y:
3x - 5y = -9
4x + 5y = 23
x =
y =
Click here to see answer by reviewermath(500)

Question 637011: x + 3y = 15
When you graph this equation, the line will pass through all quadrants EXCEPT:
Select one:
3rd quadrant
4th quadrant
2nd quadrant
1st quadrant
Click here to see answer by reviewermath(500)

Question 637010: The linear equation: x2 + y2 = 100
If x = 6, value/s of y:
Select one:
1. None of the above
2. +8
3. -8
4. +8 or -8=

Click here to see answer by ewatrrr(10682)

Question 637010: The linear equation: x2 + y2 = 100
If x = 6, value/s of y:
Select one:
1. None of the above
2. +8
3. -8
4. +8 or -8=

Click here to see answer by VirtualMathTutor(25)

Question 637052: Find an equation of the line parallel to the line y-axis and through the point (7, 4).

Click here to see answer by solver91311(16868)

Question 637127: Each of the following is a system of equations that is NOT linear. Each is linear in form because an appropriate substitution (say 'u' for 1/x and 'v' for 1/y) yields a linear system.
Solve for the new variable, and then solve for the original variable.
2/x + 1/y = 0
5/x + 2/y = -5
I would highly appreciate it if you could help.
Click here to see answer by ewatrrr(10682)

Question 637190: IF the graph of the equation y=-x-5 were drawn on the grid, which of the points would be on the line?
Click here to see answer by jim_thompson5910(28476)

Question 637250: find the value of k so that the graph of kx+3y=4 is parallel to the line through (2,-k) and(4,-1). Please help
Click here to see answer by reviewermath(500)

Question 637261: Find the slope and y-intercept (if possible) of the equation of the line algebraically, and sketch the line by hand.
5x-2=0
Click here to see answer by solver91311(16868)

Question 637270: Find the slope-intercept form of the equation of the line that passes through the points. Use a graphing utility to graph the line.
(-8,1) , (-8,7)
Click here to see answer by reviewermath(500)

Question 637278: Please show me how to solve this liner equation: 3x + 4 = 7
Click here to see answer by meetkisai(17)

Question 637234: 4(2-4x)+7=5x-33
Click here to see answer by meetkisai(17)

Question 637275: Find the slope-intercept form of the equation of the line that passes through the points. Use a graphing utility to graph the line.
(-1,4), (6,4)
Click here to see answer by jim_thompson5910(28476)

Question 637245: Which of the following points are solutions to the system of inequalities shown below?
Check all that apply.
y > 5x - 2
y < 5x + 3

Click here to see answer by lynnlo(4155)

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