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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 1111707: y=2x+2
Click here to see answer by mananth(16946)

Question 1111710: graph y=2x+2
Click here to see answer by mananth(16946)

Question 1111737: find an equation for the line : through (-7, -4 ) vertical
Click here to see answer by ikleyn(52780)

Question 1111739: find the slope of the line through the pair of points. (6, 12) and (-6,-2)
Click here to see answer by josgarithmetic(39617)

Question 1111739: find the slope of the line through the pair of points. (6, 12) and (-6,-2)
Click here to see answer by ikleyn(52780)

Question 1111745: Find the perpendicular distance between the line y=(5/13)x + 5 and the origin.
Click here to see answer by math_helper(2461)

Question 1111745: Find the perpendicular distance between the line y=(5/13)x + 5 and the origin.
Click here to see answer by KMST(5328)

Question 1111804: A boat takes 10 hours to travel 30 km upstream and 44 km downstream, but it takes 13 hours to travel 40 km upstream and 55 km downstream. Find the speed of the boat in still water and the speed of the stream.

Click here to see answer by ikleyn(52780)

Question 1111805: Write any one solution of equation x+2y=7

Click here to see answer by ikleyn(52780)

Question 1111806: Solve the following simultaneous equation using cramer's rule:
3x-2y=3;
2x+y=16
Click here to see answer by ikleyn(52780)

Question 1111834: Write in standard form an equation of the line passing through the given point with the given slope.
slope = 8/7 ; (5 , -3 )
Click here to see answer by josgarithmetic(39617)

Question 1111834: Write in standard form an equation of the line passing through the given point with the given slope.
slope = 8/7 ; (5 , -3 )
Click here to see answer by TeachMath(96)

Question 1111837: Write in standard form an equation of the line passing through the given point with the given slope.
slope = -8 and (-2, -2)
Click here to see answer by ikleyn(52780)

Question 1111837: Write in standard form an equation of the line passing through the given point with the given slope.
slope = -8 and (-2, -2)
Click here to see answer by josgarithmetic(39617)

Question 1111887: Please help me to do this :
Thank you.
Question 1:
a) Explain how you would find an equation of a line passing through the point (-1,2) and perpendicular to the line 2x-5y=9.
b) Complete the process to find the equation of the perpendicular line. Show all work and put the final answer in slope intercept form.
Question 2:
Given the function: g(x)=2x^2-2x+6
Find and show all work in computing:
g(0)=____ This represents the ordered pair ( , )
g(-2)=____ This represents the ordered pair ( , )
g(6)=____ This represents the ordered pair ( , )

Click here to see answer by Alan3354(69443)

Question 1111899: write an equation of the line parallel to the line given by -2x+3y=5 and having the same y intercept is the line given by 5x-4y=0
Click here to see answer by Alan3354(69443)

Question 1111899: write an equation of the line parallel to the line given by -2x+3y=5 and having the same y intercept is the line given by 5x-4y=0
Click here to see answer by KMST(5328)

Question 1112005: 1. Given the linear equation : -3x + 5y = 15
a. Show and explain the process to find the x and y intercepts
b. Use the x- and y-intercepts found in part a and the slope formula to find the slope. Show all work.
c. Begin with the form -3x+5y=15 and write the equation in slope intercept form. Show all work.
d. Based on the slope-intercept form of the line, what are the slope and y-intercept ? Are these values consistent with answers in parts a and b ?

Click here to see answer by KMST(5328)

Question 1112034: The function
f(x)=4x^(3)−6x^(2)−672x−8
is decreasing on the interval (? , ?).
It is increasing on the interval ( −∞, ? ) and the interval ( ? , ∞ ).
The function has a local maximum at ?.

Click here to see answer by Boreal(15235)

Question 1112052: Question 1 :
Show all work to solve this system by the substitution method :
4x + 2y = 6
6x = 9 - 3y
a. What is the solution ? Show all work
b. Is this system consistent or inconsistent ? Explain why.
c. Is this system dependent or independent ? Explain why.
Question 2 :
Given the system :
3x = 2y + 7
4x - 3y = 10
a. Solve this system using the Elimination/Addition Mehod : Put the equations in standard form. What variable did you eleminate first ? Show all work.
b. What is the solution ?
Question 3 :
There are three possibilities for the solution set of a system of linear equations. Describe each possibility, including if the system is consistent or inconsistent and if the system is dependent or independent and why. Explain what the graph of the equations for each possibility would look like.
Thank you very much

Click here to see answer by ikleyn(52780)

Question 1112094: graph the linear equation. y=-5x
Click here to see answer by Alan3354(69443)

Question 1112093: if a member paid 25 dollars, how many times did he or she use the pool? Explain how you found your answer. Did you use the table, equation, or graph to find your answer? why?
Click here to see answer by ikleyn(52780)

Question 1112105: what is the answer to this equation?

alan and joe work at two different cell phone stores
. alan earns $200 a week plus $40 for each phone he sells
.joel is not paid a salary but earns $55 for each cell phone he sells
.alan and joe each cell the same amount of phones in one week
what is the fewest number of phones joel needs to sell in one week to earn more than alan?
Click here to see answer by josmiceli(19441)

Question 1112131: An equilateral triangle is inscribed in a circle of radius 10cm ,
Find the area of triangle ??
pleas helppp???????
Click here to see answer by ikleyn(52780)

Question 1112152: Hi,
Please help : write the equation of the line that passes through (2, -4) with undefined slope. How would we classify this line ?
Thank you
Click here to see answer by Alan3354(69443)

Question 1112187: Hi,
Please help me to solve step-by-step on these questions.
Thank you very much.
1. Define your variables and set up a system of two equations and two unknowns for the following problem, then solve the system and answer the question. Show all your work!
Excedrin surveyed workers in various professions who get headaches at least once a year on the job. Nine more accountants than waiters/waitresses in the survey got a headache. If the combined number of accountant and waiters/waitresses that got a headache was 163, how many people in each of those professions got a headache? What method did you use to solve this problem?

Click here to see answer by ikleyn(52780)

Question 1112237: solve for the variable b1
Click here to see answer by MathLover1(20849)

Question 1112260:
Click here to see answer by ikleyn(52780)

Question 1112285: What kind of system is y = 3x � 5, 2x + y = 8?

Click here to see answer by Boreal(15235)

Question 1112286: For a line whose slope is -3 and which passes through the point (5,-2):
Write the equation of this line in point-slope form, y-y1=m(x-x1).
Click here to see answer by Boreal(15235)

Question 1112287: For a line whose slope is 0.8 and which passes through the point (-3,1):
Write the equation of this line in point slope form.
Click here to see answer by Boreal(15235)

Question 1112288: For a line whose slope is 0.8 and which passes through point (-3,1):
Write the equation of this line in slope-intercept form
Click here to see answer by mananth(16946)

Question 1112288: For a line whose slope is 0.8 and which passes through point (-3,1):
Write the equation of this line in slope-intercept form
Click here to see answer by stanbon(75887)

Question 1112319: FInd the equation of the perpendicular bisector of the interval AB, where A(-3, 4) and B (5, 2). Answer in general form
Click here to see answer by Theo(13342)

Question 1112323: Hi,
Please help me to solve step-by-step on these questions.
Thank you very much.
2. Define your variables and set up a system of three equations and three unknowns for the following problem, then solve the system and answer the question. Show all your work!
Tickets for the senior play at Apopka High School cost $3 for children, $5 for students, and $8 for adults. There were 800 tickets sold for a total of $4750. The number of adult tickets sold was 50 more than two times the number of children tickets. Find the number of each type of ticket.

Click here to see answer by josmiceli(19441)

Question 1112376: 14%-�=37083.17 what is �

Click here to see answer by Alan3354(69443)

Question 1112377: �-14%=37083.17 what is �

Click here to see answer by Alan3354(69443)

Question 1112395: An exam worth 145 points contains 50 questions. Some of the questions are worth two points and some are worth five points. How many two-point questions are on the test? How many five-point questions are on the test? Write a linear system of equations that can be used to solve this problem. Please help. Thank you!
Click here to see answer by Boreal(15235)

Question 1112407: Hi,
Please help me to solve step-by-step on these questions.
Thank you very much.
1. Factor each expression completely :
a) 2x^3 � 128
b) x^4 � 81
c) 15xy^3 + 54xy^2 � 24xy
2. Solve the following equation using the zero product rule as described in
Section 6.4 of the text. Show the steps in reaching the solution :
x(x + 3) � 6 = 12

Click here to see answer by stanbon(75887)

Question 1112409: For what value of x will the line passing through the following pairs of points be vertical? A(x, 3) and B(3, 5)
Click here to see answer by Edwin McCravy(20055)

Question 1112409: For what value of x will the line passing through the following pairs of points be vertical? A(x, 3) and B(3, 5)
Click here to see answer by josmiceli(19441)

Question 1112466: Hi,
Please help me to solve step-by-step on these questions.
Thank you very much.
3. Factor the following polynomial by Grouping : (Show all work) Explain how to know when to factor out a negative sign from the last two terms.
12x^3 + 15x^2 � 8x � 10
4. What are the steps to find the domain of a rational function ? Apply the process to the following rational function and state the domain using set notation :
f(x) =(3x^2+2x-7)/(2x^3-x^2-x)

Click here to see answer by ikleyn(52780)

Question 1112495: Hi,
Please help me to solve step-by-step on these questions.
Thank you very much.
5. Explain what we must do to simplify and reduce the rational expression. Than solve the steps to reduce it to lowest terms.
(10x -15y)/(6y -4x)
6. Perform the indicated operation. Show the steps in factoring and reducing the answers to lowest terms.
(8x^3-27y^3)/(6y -4x^2+2xy-15y^2) + (9y^2-4x^2)/(2x^2-3xy-9y^2)

Click here to see answer by Alan3354(69443)

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