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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 211687: Use the given equation to complete the given ordered pairs. (no decimal answers)
y= -2/3x +5 (9,_) (_,9)
Click here to see answer by rfer(16322)

Question 211680:
Find the intersection of the line through the points
(7,7)
and

(4,2)
with the line
y=x
.

work i have already done-
slope (7-2)/(7-4)= 5/3
y=(5/3)x +b
2=(5/3)(4)+b
b= (-14/3)
y= (5/3)x - (14/3)

Click here to see answer by rfer(16322)

Question 211709: determine the y- intercept.
g(x)=-4x-3
Click here to see answer by nerdybill(7384)

Question 211712: Given that (3,7) and (-5,-8) are on the same line, determine (using algebra) if the point (-33,-2/3) lies on the same line
Click here to see answer by HyperBrain(694)

Question 211735: pls. help
10,7,4....to 15th terms
�Write the next 3 terms,
�Find the indicated tn,
�Find the indicated Sn.

Click here to see answer by RAY100(1637)

Question 211776: state the domain and range of {(-5,2), (4,3), (-2,0), (-5,1)}. then state whether the relation is a function.
Click here to see answer by stanbon(75887)

Question 211765: variation pls. help
1.) The variable of z varies directly as x and inversely as y.
11.) If z varies jointly as x� and y, and
z = 24 when x = 2 and y = 3, Find the value of z when x = 3 and y = 5.

Click here to see answer by Theo(13342)

Question 211798: When graphing linear equations, why the line x=4 is a vertical line?

Click here to see answer by Theo(13342)

Question 211383: A 10-ounce soft drink sells for 50 cents, and a 16-ounce
soft drink sells for 68 cents. The price P is determined
from the volume v of the cup by a linear equation.
a) Find the equation.
b) Find the price of a 20-ounce soft drink.
Click here to see answer by ankor@dixie-net.com(22740)

Question 211883: Please help me by finding the slope of the line 6x+3y=18!
Click here to see answer by Earlsdon(6294)

Question 211912: How do you figure out this problem: -5x(2x-1)=3(x+4)
Click here to see answer by drj(1380)

Question 211924: Solve for Y. Write the equation in the form y=mx+b. identify m and b.
5x-y=7
Click here to see answer by rfer(16322)

Question 211922: -5(2x-1)= 3(x+4)
Click here to see answer by jim_thompson5910(35256)

Question 212018: what's the equation for points (0,-5) (-3,-2)?
Click here to see answer by Alan3354(69443)

Question 212018: what's the equation for points (0,-5) (-3,-2)?
Click here to see answer by MathTherapy(10552)

Question 211763: Please help me to solve it!
A gardener would like to plant a patch of peas. In order to harvest enough peas patch should have 300 quare feet of peas. In order to have convenient access, there will be a walkway 18 inches wide running down the middle of the patch, both width-wise and length-wide. For ascetic purposes the patch should have a length to width ratio of 8:5. What are the outer dimensions of the pea patch? If the gardener only walks around the edge or on the walkways in the middle, then what will be the farthest the gardener has to reach to weed the peas?
Click here to see answer by ankor@dixie-net.com(22740)

Question 212057: An empty 5-gal water jug weighs 0.75lb.With 3 c of water inside,the jug weighs 2.25lb.Predict the weight of the jug with 5 c of water inside.
Click here to see answer by rfer(16322)

Question 212098: How would you solve:
-3x+y=7
3x+2y=2
using elimination
Click here to see answer by nerdybill(7384)

Question 212110: help arithmetic progression
1.) How many numbers between 10 and 200 are exactly divisible by 7? Find their sum.
2.) A piece of equipment cost a certain factory $29,000.If it depreciate in value 15% the first year, 13% the second 12% the third and so on, what will its value be at the end of 10 years, all percentage applying to the original cost?

Click here to see answer by DRichardson(63)

Question 212166: 2/(Y+3)+3/(Y-4)=5/(Y+6)
Click here to see answer by drj(1380)

Question 212212: Two point are given from each of two lines: L1 and L2. Without graphing the points, determine if the lines are parallel, perpendicular, or neither. L1:(3,-2) and (4,8) L2: (1,6) and (7,-18)
Click here to see answer by drj(1380)

Question 212285: what is the slope and y-intercept of x-y=3 ?
Click here to see answer by ichudov(507)

Question 212326: Find the distance between points P(3,-5) and Q(-2,3).
Click here to see answer by rapaljer(4671)

Question 212417: Find the slope of the line perpendicular to the graph of y=3/2x+3.
I don't have time to ask my teacher how to do it, and I missed a day so I wasn't there to get the notes and everything and when I went to the website I didn't understand the notes. So, I need some extra help here to help me figure out how to do this.
Click here to see answer by stanbon(75887)

Question 212416: what is the slope of the line 6x+2y=-48?
Click here to see answer by stanbon(75887)

Question 212420: Using the slope of AB, and CD, determine if the lines are parallel, perpedicular, or neither. The coordinates of the points are:
a: A(3,8) B(-6,5) C(12,2) D(-3,-3)
b A(-2,-2) B(3,13) C(3,5) D(-6,2)
c: A(4,7) B(-4,3) C(1,1) D(3,-3)
I have no idea how to do these, I missed the day at school we did it, and I don't know what to do. Please help me; teach me what to do.
Click here to see answer by stanbon(75887)

Question 212573: find the slope and the intercepts
g(x)=54x-1
Click here to see answer by Alan3354(69443)

Question 212586: which line is parallel to a line having the equation 3y=6x-9
Click here to see answer by rapaljer(4671)

Question 212604: A line passes through (-4,5) with an x-intercept of 4. Write the equation in slope-intercept form.
Click here to see answer by Alan3354(69443)

Question 212605: A line passes through the points (5, -2) and (3,4). Write the equation of the line in slope-intercept form.
I think the answer is y= 6/-2x + 13
Click here to see answer by checkley77(12844)

Question 212637: Could someone help me solve the problem 8y-(5y+2)=16?
Click here to see answer by vleith(2983)

Question 212637: Could someone help me solve the problem 8y-(5y+2)=16?
Click here to see answer by gypsy1274(9)

Question 212634: 8y-(5y+2)=16?
Click here to see answer by drj(1380)

Question 212388: determine whether (-8,9) is a solution of 4x - 7y = 18
Click here to see answer by drj(1380)

Question 212660: Please help me solve this equation to graph inequality and plot at least five points.
This is the steps I tried x-2y =6
x -2+2 = 6+2
X + 0 = 8
x = 8

I read the example 3 an 5 on page 175 and 177, but I don't get it. My solution above for the first part may be wrong. I want to follow the correct steps.
Click here to see answer by stanbon(75887)

Question 212656: factor completely.
x^3+9x^2-3x-27

Click here to see answer by rapaljer(4671)

Question 212665: decide which of the two given functions is linear and find its equation.
x=0,1,2,3,4
f(x)=6,10,14,18,22
g(x)=8,10,12,16,22
Click here to see answer by stanbon(75887)

Question 212725: slope of a tan line to a curve at P (3,3) is 4. Use the equation of this tanngent to find its value for x=9.
Click here to see answer by stanbon(75887)

Question 212722: P(4,2) lies on the curve y=sqrt (x). if Q is (x,sqrt(x)) find the slope of the secant line of PQ for the value of x=3.99. Round to six decimal places.
Click here to see answer by stanbon(75887)

Question 212147: help arithmetic progression
Sorry!!! hi i already ask this and got answer but i can figure it out how pls. give the solution or even a formula for this thanks a lot.
1.) How many numbers between 10 and 200 are exactly divisible by 7? Find their sum.
2.) A piece of equipment cost a certain factory $29,000.If it depreciate in value 15% the first year, 13% the second 12% the third and so on, what will its value be at the end of 10 years, all percentage applying to the original cost?

Click here to see answer by DRichardson(63)

Question 212757: without graphing,describe the end behavior of the graph of f(x)= -5^2-3x+1
Click here to see answer by rapaljer(4671)

Question 212770: need help with the slope of the line containing points
p1(-1,2) and p2(3,3)
Click here to see answer by jim_thompson5910(35256)

Question 212758: determine whether the figure with verticies at (1,2), (3,1), (4,3), and (2,4) is a parallelogram
Click here to see answer by Fombitz(32388)

Question 212783: GRAPH THE EQUATION y = 1/2x + 3/2
2) y = x + 2
x + 2y = 16 x= __________ y=_______
3) 2x = 5y - 3
6x - 15y = -3
4) 5X - 2Y = 36
3X + 4Y = 6
Click here to see answer by drj(1380)

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