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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 316611: what is is the value of x and y in the simultaneous equation 2x+2y=4
3x+3y=6
Click here to see answer by Fombitz(13828)

Question 316663: I am doing a summer packet and I need an example of how to do a specific group of questions the question is asking me to find the slope of each line. 15+3y=4x once i get an example of how to do one of the problems i will be okay to do the rest of them. please help me i really need it.
Click here to see answer by Fombitz(13828)

Question 316665: I need an example of how to do a group of problems. They are asking me to write the slope-intercept form of the eqation of the line through the given point with the given slope an example of a problem is
through:(-4,-3), slope= 5\4
once i see how to do one of them i will be able to do the rest please help me.
Click here to see answer by Fombitz(13828)

Question 316608: what is is the value of x and y in the simultaneous equation 2x+27=4
3x+3y=6
Click here to see answer by checkley77(12569)

Question 316725: hi. my name is brandie and i really need help in math.my question is how do i solve algebric eqations and how do you find the slop of a line im going to the tenth grade please elp
Click here to see answer by jim_thompson5910(28705)

Question 316075: Write equations for the vertical and horizontal lines passing through the point (0,2).
Click here to see answer by moshiz08(60)

Question 316757: Given the points (-5,6) and (7,1) find the length and slope of the segment that connects them.
Click here to see answer by jim_thompson5910(28705)

Question 316752: are the following pairs of lines parrel, perpendicular or neither? A and B are seperate.
A) x-3y=4
6x-2y=11
B) 2x-4y=8
5x+y=9
Click here to see answer by Fombitz(13828)

Question 316880: How to write an equation in slope- interception form for a line psassing through each pair of points?
Click here to see answer by Fombitz(13828)

Question 316896: The Perimeter of a rectangle is twice the sum of its length and width. The perimeter is 28 meters and its length is 2 meters more than twice its width. What is the length
Click here to see answer by texttutoring(324)

Question 316894: how do you find the y-intercept?
Click here to see answer by texttutoring(324)

Question 316894: how do you find the y-intercept?
Click here to see answer by CharlesG2(828)

Question 316938: Find the solution to the equations.
2x - y = -3
x + y = 0

Click here to see answer by Fombitz(13828)

Question 316946: What are the x and y intercepts and how do you find them? What are the x and y intercepts for the linear equation 2x + 3y = 15?
Click here to see answer by JBarnum(2044)

Question 317007: The graph of y = -4 + 5 is shown on the next page. Use it to
find the answers to Exercises 6–8. Check your work
The value of y when x = 1
I am not sure what to do or what the question is asking??
Thanks
Click here to see answer by jim_thompson5910(28705)

Question 317008: I am in need of a simplified way of doing equation of a line. The question being find an equation of the line containing the given pair of paints (-5, -2) and (-3, -1). The equation of the line in slope interecept form is y= ___
Then simplify the naswer. Use integer or fractions for nay numbers in the expression. I know that the formula is y = mx + b but just cannot make it work in my head. Can you help?
Click here to see answer by jim_thompson5910(28705)

Question 317252: y=2x+3
2x+3y=10
solve using substition method
Click here to see answer by texttutoring(324)

Question 317286: How to find standard form of 3y=-1-5x
Click here to see answer by solver91311(17077)

Question 317293: Find the perpendicular line of y=1 that contains point (2,3).
Click here to see answer by JBarnum(2044)

Question 317290: How to find the X-intercept and the Y-intercept of 3x-2y=12
Click here to see answer by JBarnum(2044)

Question 317327: How do I find the an equation of the line containing the given pairs of points (-2,-9) and (-5,-1)
Click here to see answer by Alan3354(31515)

Question 317320: if i have:
x+3=0
x+y=4
how would i find a point that represents the common solution for a system
Click here to see answer by Alan3354(31515)

Question 317363: From 1988 to 1989, the population of Col-
orado Springs increased by 5409, and that of
Wichita increased by 4640. In 1989, the pop-
ulation of Colorado Springs andWichita were
284482 and 297391, respectively.
If the populations continue to increase at
the same rates, in what year will the popula-
tions of the two cities be the same?
Click here to see answer by stanbon(57962)

Question 317371: Eli works in a electronics repair shop. He earns $9.00 an hour plus a bonus for each item he repairs.Write a formula that will help eli determine how much money he will earn in one week.
Lets let
a=total amount earned
h=hours worked in one week
n=number of items repaired
b=bonus amount for each item
Click here to see answer by nyc_function(2733)

Question 317387: my solution is very different to the answer in my book, the linear equation is:
-9(2x-1/3) = 4(-1/2x+1/4)
my LCD is 12
-108(24x-12)=48(-12x+12)
2592x + 1296 = -576x + 576
-576x + 1296 = 576
2016x - 1296 = -1296
-2016x/-2016 = -720/-2016
X=5/14 (this is my answer) (book answer is 1/8)
Click here to see answer by solver91311(17077)

Question 317447: 8n-9m=6-3m is that a linear equation

Click here to see answer by stanbon(57962)

Question 317629: Find the equation of the line passing through (4,8) and is parallel to the equation y = 3x + 1
Click here to see answer by Alan3354(31515)

Question 317607: What is the equation for a line that passes through (6,26) and has a slope of 3?
What is the equation for a line that passes through the points (5,5) and (10,20)?
What is the equation for a line that passes through (9,25) and has a slope of -3?
What is the equation for a line that passes through (1,1) and is perpendicular to the line 4x+6Y=18?
What is the equation for a circle with a radius of 4 and a mispoint at (2,2)?
Click here to see answer by Alan3354(31515)

Question 317642: Find a formula for the linear function given below.
The function f has f(9)=-39 and f(16)=-81
f(x)=
i have no clue how to find a formula for the function, if you can help me that would be great!
Click here to see answer by Fombitz(13828)

Question 317648: Line L is given by y=24-7/8x and point P has coordinates (56,15)
(a) Find the equation of the line containing P and parallel to L
y=
b) Find the equation of the line containing P and perpendicular to L
y=

Click here to see answer by Fombitz(13828)

Question 317610: Solution for the point on the x-axis that is equal distance from (8,4) and (-4,2)
Solution for the distance between the points (8,2) and (16,2).
Solution for the distance between the points (2,6) and (12,8).
Solution for the midpoint between (8,2) and (10,6)
Solution for the midpoint between (-4,2) and (-5,3)
Click here to see answer by Fombitz(13828)

Question 317683: If the total cost of x apples is b cents, what is a general formula for the cost, in cents,
of y apples?
A. b/xy
B. x/by
C. xy/b
D. by/x
E. bx/y
Click here to see answer by mananth(12270)

Question 317714: Find the slope and y-intercept for each line that has a slope and y-intercept
x + 2y = 3
Click here to see answer by Alan3354(31515)

Question 317715: Find the equationof each line in the form y = mx + b if possible.
The line through (3,2)with undefined slope.
Click here to see answer by Earlsdon(6294)

Question 317712: Write each equation in standard form using only integers
x/8 (means x over 8) = 4y/5 (means 4y over 5)
Click here to see answer by Fombitz(13828)

Question 317823: How do I solve 5x + 8y = 113
Click here to see answer by jim_thompson5910(28705)

Question 317862: what is the slope of y=2x
y=3x-2?
Click here to see answer by mananth(12270)

Question 317872: Change to standard form: Indicate m and b values: (standard form: y = mx + b)
1) x + y = 2x + 1
2) 5y = x/5 + 1/5
3) y = 2x/12 + x +6
4) x/2 = x/3 + y
5) 2y = 2x/5 + 6
Click here to see answer by Alan3354(31515)

Question 317920: I need help finding the variation constant.

n varies directly as q, and n = 39 when q = 3. Find n when q = 8.
Click here to see answer by stanbon(57962)

Question 317984: Find the values of x and y that solve the following system of equations:
3x - 4y = -17
4x - 7y = -21

Click here to see answer by Alan3354(31515)

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