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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 998087: Y=-3x+4
Y=-3x+2
Click here to see answer by ikleyn(52780)

Question 998097: can you help me convert to slope intercept;
y-2=-1/5(x-4)
Click here to see answer by fractalier(6550)

Question 998097: can you help me convert to slope intercept;
y-2=-1/5(x-4)
Click here to see answer by Alan3354(69443)

Question 998033: y=5x+2
y=3x
graph the linear system and estimate the solution.

Click here to see answer by fractalier(6550)

Question 998111: Find the equation of the line that contains the given point and has the given slope.
P(2, −3), m = 3

Click here to see answer by Alan3354(69443)

Question 998119: what are the ordered pairs of the following linear equation? 7x+y=-17
Click here to see answer by fractalier(6550)

Question 997582:
Click here to see answer by EdenWolf(517)

Question 998169: what equation, in point slope form. passes through (3,-1)and has a slope of 2
Click here to see answer by fractalier(6550)

Question 998146: What is the domain and range of 250 + 15X?
Click here to see answer by fractalier(6550)

Question 998230: How can I describe the transformations from the graph of f to the graph of g
f(x)=|x|;g(x)=|2x+4|
Click here to see answer by stanbon(75887)

Question 998233: A parabola has x-intercepts of -5, and 3 and passes through the point (1,-12). Find its equation.
Click here to see answer by stanbon(75887)

Question 998307: Consider the points A(-7, 10), B(12, 7), C(10, -24), and D(-8, -3). Which two lines determined by these points are perpendicular? Explain.
Click here to see answer by KMST(5328)

Question 998343: Express the equation x-y=-6
Click here to see answer by fractalier(6550)

Question 998336: Given 5x+2y-6=0 write equation of line parallel to it going through point (-2,-5)
Click here to see answer by fractalier(6550)

Question 998337: Given 5x+2y-6=0 write equation of a line that is perpendicular going through point (0,-3).

Click here to see answer by fractalier(6550)

Question 998337: Given 5x+2y-6=0 write equation of a line that is perpendicular going through point (0,-3).

Click here to see answer by stanbon(75887)

Question 998373: A student was asked to find the equation of the line perpendicular to y- 2x= 1 that passes through the point (4, 3). The student�s work is shown at right. Explain the error and give the correct equation.
Click here to see answer by stanbon(75887)

Question 998384: Producing x units of tacos cost C(x)=5x+20; revenue is R(x)=15x, where both C(x) and R(x) are in dollars. How many tacos need to be sold in order to make a profit 0f $500?
Click here to see answer by josmiceli(19441)

Question 998421: Can you help me solve ;
Y-2=-1/6(x-2)
Click here to see answer by MathLover1(20849)

Question 998424: How do I precisely graph y = 3x + 150 ?
Click here to see answer by fractalier(6550)

Question 998448: I need to determine the slope of the line represented by these equations
2y=0.4 (8x-4) and 3/4x + 6y = 12.
Click here to see answer by josgarithmetic(39617)

Question 998412: [Ok, so I have two problems Im REALLY stuck on....]
#1 Each set of 3 points is collinear. Find each missing x- or y-value to the nearest hundredth: (x, 0.8), (15, -0.4), (-4, 2.9)
Answer choices:
A) 7.50
B) -30.00
C) 8.1
D) -1.10
E) -14.50
#2 In 1993, pearl farmers harvested 72.6 tons of pearls. In 1996, they only harvested 56.6 tons. In 2002, they harvested 24 tons. Use the harvests from 1996 and 2002 to estimate the 2000 harvest.
Answer choices:
A) 38.3 tons
B) 43.8 tons
C) 34.9 tons
D) 29.5 tons
E) 49.2 tons

Click here to see answer by rothauserc(4718)

Question 998447: Find the point slope form of a line with Slope: −6 that passes through (−1,4)
(y− )= (x− )
Write the line in slope intercept form below:
y=
Click here to see answer by josgarithmetic(39617)

Question 998467: The amount of blood in the body can be predicted by the equation y= 0.07w, where y is the number of pints of blood and w is the weight of a person in pounds.
Please help me understand how to graph this equation.
Click here to see answer by fractalier(6550)

Question 998555: What is y+3=3/4x
Click here to see answer by Alan3354(69443)

Question 998556: What is y+3=3/4x in standard form? I know 3 has to be subtracted from each side, making the equation y=3/4-3, but I don't know where to go from here!
Click here to see answer by fractalier(6550)

Question 998592: Find the equation of the line with that contains the following points:
(4,5) (-4,3)
Click here to see answer by fractalier(6550)

Question 998560: graph the following equation: 4x+7y=-28
Click here to see answer by Alan3354(69443)

Question 998446: Two skatere are racing toward the finish line of a race. The first skater has a 40 meter lead and is traveling at a rate of 12 meters per second. The second skater is traveling at a rate of 14 meters per second. How long will it take the second skater to pass the second skater?
Y axis meter
X axis seconds per meter
Click here to see answer by ankor@dixie-net.com(22740)

Question 998736: This is about distance the equation is: (-4-4)^+(-4-2)^ and you also have to find the square root.
Click here to see answer by stanbon(75887)

Question 998778: Given the line with the equation y=2. Find at least three ordered pairs that satisfy the equation. Find the slope of the line. Graph the line.
Click here to see answer by ikleyn(52780)

Question 998655: TABLE OF VALUES:
x-y
1-3
2-6
3-13
4-22
5-46
What is the equation used to find 'y'?
Click here to see answer by MathLover1(20849)

Question 998853: Write an equation of a line that passes through (9,-5) and (3,-5)
It says to answer the question by first finding the slope using these two points.
Click here to see answer by Cromlix(4381)

Question 998855: Write an equation of a line that passes through the points (2,3) and (2,-6).
Click here to see answer by Cromlix(4381)

Question 998862: 3. Write the equation of the line passing through the points (0, -4) and (-2, 2).
Click here to see answer by Alan3354(69443)

Question 998863: 4. Write the equation of the line passing through the points (-6,1) and (-4,2)
Click here to see answer by Alan3354(69443)

Question 998882: I am unsure how to get the equation. I am sure if i can get the equation, I will be able to solve b.
The temperature T in degrees Fahrenheit is (approximately) a linear function of the number C of cricket chirps per minute. Twenty cricket chirps per minute corresponds to a temperature of 42 degrees Fahrenheit. Each additional chirp per minute corresponds to an increase of 0.25 degree.
(a) Use a formula to express T as linear function of C.
T =

(b) What temperature is indicated by 100 cricket chirps per minute?
Click here to see answer by josgarithmetic(39617)

Question 998890: Passing through (-1,15) and (2,6)
Click here to see answer by Alan3354(69443)

Question 998969: What does x= if y=0 and the equation equals 5
Click here to see answer by Alan3354(69443)

Question 998944: -3x+2y=6
Click here to see answer by ikleyn(52780)

Question 998999: Write the slope-intercept form of the equation of each line given the slope and y-intercept (1)slope=-5, y-intercept=1 how to solve?
Click here to see answer by mananth(16946)

Question 999008: What is true about all the points that have 5 as their ordinate?
Click here to see answer by ikleyn(52780)

Question 999012: A={1,6,9} and B={3,4}
Make a function in which the domain is A and the range is a subset B. Represent the function as a set of ordered pairs, a table, a graph, and a mapping diagram.
Click here to see answer by Fombitz(32388)

Question 999002: Write the slope -intercept form of equation of each line given the slope and y-intercept (1) slope=-(1)/(3), y-intercept =-1 (2)slope=-(9)/(2), Y-Intercept=-5 (3) slope=-(3)/(5), y-intercept=-2. (4)slope=-(1)/(3), y-intercept=-2. (5) slope=-(1)/(5), y-intercept=2 (6) slope=-(1)/(2), y-intercept=-5. (7) slope=-2, y-intercept =-4 pls help me this
Click here to see answer by Fombitz(32388)

Question 999083: how to solve 3x+2y=-1

Click here to see answer by fractalier(6550)

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