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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 1002645: http://media261.acellus.com/Library/00001230_84_622_A1.png
(paste this into a new tab)
Can you help me out?

Click here to see answer by fractalier(6550)

Question 1002656: A)
Find an equation of the line through (-6, 10), parallel to the line with equation 3x � 7y = 14. Write the new equation in point-slope form.

B) Convert the equation of the new line found in problem #14 to standard form, Ax + By = C, where A, B, and C are integers.

Click here to see answer by josgarithmetic(39617)

Question 1002209: Write the equation of the line in slope intercept form
Function table
X : 1 3 6
Y: 8 14 13
Click here to see answer by person24(13)

Question 1002697: http://media261.acellus.com/Library/00001230_84_635_A1.png
help
Click here to see answer by fractalier(6550)

Question 1002761: A line has a slope of -3 and passes through the point (5,-1)
What is the equation of the line?
Click here to see answer by fractalier(6550)

Question 1002778: Y=7x+1/3
Click here to see answer by fractalier(6550)

Question 1002777: Y=7x+1/3
Click here to see answer by fractalier(6550)

Question 1002703: the question is find two points on each of the lines and graph the line, State the slope of each line.
Y+5=0 I don't know how to solve with one variable and get points

Click here to see answer by solver91311(24713)

Question 1002736: Is it possible for a line to be in only one quadrant? Two quadrants? Write a rule for determining whether a line has positive, negative, zero, or undefined slope from knowing in which quadrants the line is found.
Click here to see answer by MathLover1(20849)

Question 1002796: Graph each linear equation

Which axis does the graph of x = c intersect??
Click here to see answer by Alan3354(69443)

Question 1002796: Graph each linear equation

Which axis does the graph of x = c intersect??
Click here to see answer by solver91311(24713)

Question 1002795: What is the y-coordinate of every x- intercept
Click here to see answer by Alan3354(69443)

Question 1002795: What is the y-coordinate of every x- intercept
Click here to see answer by solver91311(24713)

Question 1002731: find its equation: having the same y-intercept as 2x+5y=-25 and twice the slope of 9x-3y=4
Click here to see answer by mananth(16946)

Question 1002872: solve the simultaneous equations
3x-2y=12
x+3y=-7
Click here to see answer by mananth(16946)

Question 1002910: What is an equation in slope-intercept for the line that passes through the points (1,-3) and (3,1)?

Click here to see answer by stanbon(75887)

Question 1002936: The average annual tuition and fees at all 4-year institutions in the US in 1982 was $10,385 and in 2012 was $ 23,872. Let y be the average tuition and fees in the year x, where x = 0 represents the year 1982.
a) Write a linear equation, in slope-intercept form, that models the growth in average tuition and fees at all 4-year institutions in the US in terms of the year x.

b) Use this equation to predict the average tuition and fees at 4-year institutions in the US in the year 2030.

c) Explain what the slope of this line means in the context of the problem.
Please show all work.

Click here to see answer by stanbon(75887)

Question 1002800: Please help me solve graphing inequalities in 2 variables. In 2004, the median yearly family income was about $44,000 per year. Suppose the average annual rate of change since then is $1240 per year. How can I write and graph an inequality for the annual family incomes y that are less than the median for x years after 2004.
Click here to see answer by Theo(13342)

Question 1002969: Convert 7y=3x+88 into standard form. Please show steps.
Click here to see answer by rfer(16322)

Question 1002954: Write an equation of a line through the point (-5, -2) that is perpendicular to the x-axis. Find slope. Please show all work.
Click here to see answer by Alan3354(69443)

Question 1003049: Y-5=-(X-1) in slope intercept form
Click here to see answer by rfer(16322)

Question 1003061: For what value of a are the graphs of 6y=-2x+4 and 2y=ax-5perpendecular

Click here to see answer by MathLover1(20849)

Question 1003061: For what value of a are the graphs of 6y=-2x+4 and 2y=ax-5perpendecular

Click here to see answer by mananth(16946)

Question 1003183: Complete the equations of the system in slope-intercept form. Use a decimal for the slope if necessary.

Line 1
x y
0 3
1 5
Line 2
x y
�1 1
�2 �1

Line 1: y =
x +
Line 2: y =
x +

Click here to see answer by josgarithmetic(39617)

Question 1003186: Use your calculator to find the equation of the regression line.
Write the equation in y=ax+b form. Do not use any spaces. Round a and b to the nearest tenth.
Click here to see answer by fractalier(6550)

Question 1003276: Write the slope/intercept form of the line through the given points
1. through: (0, -2) and (3, 4)
2. through (-3, 2) and (-2, 2)
Click here to see answer by MathLover1(20849)

Question 1003267: Two lines are perpendicular if Line 1 through (-4, 1) and (-2, -3) and Line 2 through (2, 1)

Click here to see answer by MathLover1(20849)

Question 1003291: Twenty pounds of potatoes are divided between 2 families. One family receives 2 pounds
more than the other. How many pounds did one of the families receive?
Click here to see answer by josgarithmetic(39617)

Question 1003286: I can't figure out the answer to this question. When I complete it, I get m=-15/9. Can you help me?

A 15 foot ladder is leaning against a house with its bottom 9 feet from the base of
the house. What is the slope of the ladder? Select the correct answer, then either show your work or explain your answer.
a) 9/15
b) Square root of 24
c) 12
d) 4/3
e) 15
Click here to see answer by jim_thompson5910(35256)

Question 1003314: Find an equation satisfying the condition x intercept is 3 and y intercept is 4

Click here to see answer by josgarithmetic(39617)

Question 1003362: Identify the slope and y-intercept in the equation of a line given below.

Click here to see answer by mananth(16946)

Question 1003377: Find all the points on the line y=2x+1, which are 4 units from point (-1,3)
Click here to see answer by josgarithmetic(39617)

Question 1003429: Without graphing, answer the following questions for the following linear system.
x+2y=0
6y=-3x
A) is the system inconsistent or the equations dependent, or neither
B) is the graph a pair of intersecting lines, a pair of parallel lines or one line
C) does the system have one solution, no solution, or an infinite number of solutions.
Click here to see answer by Alan3354(69443)

Question 1003479: 3. When a boat traveled downstream from Town A to Town B, the trip took 3 h. When the same boat traveled upstream from Town B to Town A, the trip took 3.6 h. For each trip, the speed of the boat and the water current were unchanged. Let x represent the speed of the boat and let y represent the speed of the water.
(a) Write an expression for the distance traveled downstream using 3 h for the time. Then write an expression for the distance traveled upstream using 3.6 h for the time.
(b) Set the expressions in Part (a) equal to each other. Then solve the equation for y. Show your work.
(c) What percent of the boat�s speed is the water current?

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

Question 1003626: please help me solve this equation:
(1,2),slope =7

Click here to see answer by stanbon(75887)

Question 1003687: Find the x- and y-intercepts for the following equation. Then use the intercepts to graph the equation.
y=2x+2
x-intercept: (
,0)
y-intercept: (0,
)

Click here to see answer by KMST(5328)

Question 1003680: Two cyclists leave towns
190mi apart at the same time and travel toward each other. One cyclist travels 10/mih faster than the other. If they meet in 5 hours, what is the rate of each cyclist?
Click here to see answer by mananth(16946)

Question 1003758: Find the points of intersection, if any, of the pair of curves :
x^2+y^2=13 , y=x+1

Click here to see answer by Cromlix(4381)

Question 1003757: Use the definition of the derivative to find f ′(x) if
(a)f(x)=x^2+x
(b)f(x)= 1/(x-1)

Click here to see answer by MathLover1(20849)

Question 1003837: write an equation of the parabola that passes through the point (3,-30) and has x-intercepts -2 and 18.
Click here to see answer by Edwin McCravy(20055)

Question 1003855: how to I write an equation of the parabola with focus F(0,4) and directrix y=-4 using the distance formula
Click here to see answer by josgarithmetic(39617)

Question 1003873: Write equations for vertical and horizontal lines passing through the point (-6,-4)
Click here to see answer by josgarithmetic(39617)

Question 1003874: consider the line y=8x-9
What is the slope of a line parallel to this line?
What is the slope of a line perpendicular to this line?
Click here to see answer by MathLover1(20849)

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