Questions on Algebra: Graphs, graphing equations and inequalities answered by real tutors!

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Question 937890: Write the equation of a line that passes throught the points (3,4) and (3,-6)
Click here to see answer by Alan3354(69443)

Question 937944: sketch the straight line defined by the linear equation by finding x-and-y intercepts. -2x-6y+18=0
Click here to see answer by mananth(16946)

Question 937944: sketch the straight line defined by the linear equation by finding x-and-y intercepts. -2x-6y+18=0
Click here to see answer by KMST(5328)

Question 937993: hey there,
Any help would be appreciated,
question is as follows :
Sketch a graph of the following function. label all discontinuities, axes, intercepts and asymptotes for
f(X) x^2 +2x -3/x^2 + x - 6

Click here to see answer by josgarithmetic(39617)

Question 938017: Here is the graph :
http://i.imgur.com/fD2qbTl.png

(A) Find f(-2) to the nearest integer.
(B) Find all values of x, to the nearest integer, so that f(x) = -4.
Click here to see answer by josgarithmetic(39617)

Question 938091: 4x-y=-3
Click here to see answer by ewatrrr(24785)

Question 938130: If the distance of the point (x, -3) find the origin is 5 unit, find the value of x
Click here to see answer by josmiceli(19441)

Question 938132: In triangle ABC, DE || AC
Click here to see answer by Edwin McCravy(20054)

Question 938332: Select two variables, set up two equations and solve the problem below.
The sum of two integers is 45. The larger is 3 less than three times the smaller. Find the two integers. Pleas show work
Click here to see answer by josgarithmetic(39617)

Question 938350: Determine the ordered pairs for the given set of y-values
- x - 4y = 2; {0,2,4}
I'm very confused
Click here to see answer by Fombitz(32388)

Question 938360: 1. Solution of ineaquality:
a. e^(4x-10)>0
b. ln|4-x|<0
Click here to see answer by Fombitz(32388)

Question 938375: Examine the graph and consider trips more than 7,000 miles by a Boeing 777. Use a rate of change to estimate how the maximum payload decreases as the distance traveled increases
Click here to see answer by Fombitz(32388)

Question 938337: 16x^2-3y^2=-11
8x-y=-11
Find the intersecting points.
Click here to see answer by Fombitz(32388)

Question 938378: 2.)Find the slope m of the line passing through the given points, if possible
(6, −2) and (-1, 4)

3.)Find the slope m of the line passing through the given points, if possible
(-8, 4) and (-8, 11)
Click here to see answer by ewatrrr(24785)

Question 938379: Graph the line that passes through the given point and has the given slope
(−3, −5), m = 3/2

Click here to see answer by Fombitz(32388)

Question 938382: 1.) Find the slope m of the line
http://www.webassign.net/waplots/c/2/323162357dc4e79ac3461a679ba45b.gif
Click here to see answer by Fombitz(32388)

Question 938220: What is the slope of the line described by -3(2x - 4y) = 8

Click here to see answer by Fombitz(32388)

Question 938403: 4.)Write an equation of the line with the given slope and y-intercept. Then graph it
m = 3, (0, 2)

5.)Find the slope m and the y-intercept of the graph of the equation. Then graph it.
y=x/10
Click here to see answer by Fombitz(32388)

Question 938356: TRIGONOMETRY:HOW TO SOLVE FOR RIGHT TRIANGLE
A=40 B=50 C=90� a=? b=? c=?
Click here to see answer by Alan3354(69443)

Question 938347: {6x - 4y =16
{4x + 6y =24
There is only suppose to be one brace in front of pairs can you explain to me in detail showing all steps so I can understand. Thank you
Click here to see answer by Alan3354(69443)

Question 938467: 6.)An automated production line uses distilled water at a rate of 300 gallons every 2 hours to make shampoo. After the line had run for 7 hours, planners noted that 2,500 gallons of distilled water remained in the storage tank. Write a linear equation relating the time t in hours since the production line began and the number of gallons g of distilled water in the storage tank. Write the equation in slope-intercept form
Click here to see answer by lwsshak3(11628)

Question 938483: Sue is buying snacks for her class. She can spend at most 20$ on snack food. She'd like to but chips that cost 4$ per bag and pretzels that cost 2$ a bag. Write an inequality to describe the dituation. Please help I'm lost
Click here to see answer by josmiceli(19441)

Question 938492: Put these in order,starting with the smallest : 7/9 , 0.7, 770/1000, 75%
Click here to see answer by ewatrrr(24785)

Question 938491: Two numbers have a sum of 87.. The larger of the numbers is twice the smaller..what are the two numbers
Click here to see answer by ewatrrr(24785)

Question 938592: give an example of 4 ordered pairs that does not model a function. The domain will be any four integers between 0 and +10. The range will be any four integers between -1 and +. Why does this not model a function
Click here to see answer by Edwin McCravy(20054)

Question 938622: The following graph approximates the amount of milk produced per cow in the United States for the years 1996-2005. Find the rate of change.
http://www.webassign.net/tgintroalgp4/3-4-079.gif
Click here to see answer by jim_thompson5910(35256)

Question 938587: Find the slope m of the line.
http://www.webassign.net/mapleplots/9/1/bd6aae99e2224633ac051ed6fa960d.gif
Click here to see answer by mananth(16946)

Question 938594: Select any two integers between -12 and +12 which will become solutions to a system of two equations. Write two equations that have the two integers as solutions.
Click here to see answer by Fombitz(32388)

Question 938708: A tailor charges a basic fee of $22 plus $3.20 per letter to sew an athlete's name on the back of a jacket.
(a) Write a linear equation that will find the cost y to have a name containing x letters sewn on the back of a jacket
(b) Graph the equation.
(c) Suppose the tailor raises the basic fee to $30. Draw the new graph showing the increased cost.
Click here to see answer by ewatrrr(24785)

Question 938702: 10.)The horsepower produced by an automobile engine was recorded for various engine speeds in the range of 2,400 to 4,800 revolutions per minute (rpm). The data were recorded on the following scatter diagram. Find an equation of the line that models the relationship between engine speed s and horsepower h. Write the equation in slope-intercept form
http://www.webassign.net/waplots/b/c/daf612685275b6fe720471eb19d923.gif
Click here to see answer by Edwin McCravy(20054)

Question 938706: Find the slope m and the y-intercept of the graph of the equation. Then graph it.
12x − 6y = 18

Click here to see answer by ewatrrr(24785)

Question 938750: For the function, f(x) = -9x - 3/4, find x when f(x) =6
Please show steps
Click here to see answer by MathLover1(20849)

Question 938693: 5.7 point-slope lab
5.)Find an equation of the line that passes through the two given points. Write the equation in slope-intercept form, if possible
passes through (1, 8) and (−2, −1)
6.)An automated production line uses distilled water at a rate of 300 gallons every 2 hours to make shampoo. After the line had run for 7 hours, planners noted that 2,500 gallons of distilled water remained in the storage tank. Write a linear equation relating the time t in hours since the production line began and the number of gallons g of distilled water in the storage tank. Write the equation in slope-intercept form.

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

Question 938821: Find the slope m and the y-intercept of the graph of the equation. Then graph it.
4x + 7y = 35
Click here to see answer by ewatrrr(24785)

Question 938827: 5. Find the slope m and the y-intercept of the graph of the equation. Then graph it.
12x − 6y = 18

slope m=
y-intercept (x, y) =
Click here to see answer by ewatrrr(24785)

Question 938827: 5. Find the slope m and the y-intercept of the graph of the equation. Then graph it.
12x − 6y = 18

slope m=
y-intercept (x, y) =
Click here to see answer by MathLover1(20849)

Question 938874: Find an equation of the line that passes through the two given points. Write the equation in slope-intercept form, if possible
passes through (1, 8) and (−2, −1)
Click here to see answer by ewatrrr(24785)

Question 938758: Determine the ordered pairs for the give set of y-values
-x - 4y = 2; {0,2,4}
Click here to see answer by ewatrrr(24785)

Question 939025: find the equation of the circle (standard form)
the circle has a diameter with endpoints whose coordinates are (7, -2) and (-3, 5).
Please show work thank you!

Click here to see answer by lwsshak3(11628)

Question 939024: I need your help to determine whether the given ordered pair is a solution of the equation. Please show the solution to get a better understanding.
y = 3^2 - 4x + 2; (-3, 17)

Click here to see answer by josgarithmetic(39617)

Question 938940: According to Comapany 1, the average age of Mercedes buyers in the U.S. is 54 years old. Assume that the standard deviation for the age of these buyers is 8.5 years. A random sample of 38 Mercedes buyers was selected. What is the probability that the average age of these buyers is less than 56 years old?
Click here to see answer by ewatrrr(24785)

Question 939090: Word problem: The electrical current in a circuit varies with time according to where c is current, and s is time in seconds. Find the average rate of change from 0.75 to 1.5 seconds and find the instantaneous rate of change at 1.5 seconds. These are rational functions, please explain problem solving step by step as I cannot seem to get the answer correctly. Thank You!
Click here to see answer by ewatrrr(24785)

Question 939083: graph -4x + 2y = -11 and -2x + 2y = -15
Click here to see answer by ewatrrr(24785)

Question 939123: The position of a particle as it moves horizontally is described by the given equation , where S is displacement in meters, t is time in seconds. Determine instantaneous rate of change at t= 7 seconds. How do you calculate this in a calculator because the answer is 0.4064, but I get 0? Also, do I use pi as radians or deg? Please step by step solution! Thank you!
Click here to see answer by ewatrrr(24785)

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