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

Tutors Answer Your Questions about Graphs (FREE)

Question 126280: 2x-y=5
Click here to see answer by JessicaGill(40)

Question 126307: -2x+3y=4
Click here to see answer by MathLover1(20849)

Question 126303: 6x+4y=16
Click here to see answer by JessicaGill(40)

Question 126198: A home-based company produces both hand-knitted scarves and sweaters. The scarves take 2 hours of labor to produce, and the sweaters take 14 hours. The labor available is limited to 40 hours per week, and the total production capacity is 5 items per week. Write a system of inequalities representing this situation, where x is the number of scarves and y is the number of sweaters. Then graph the system of inequalities.
Click here to see answer by ankor@dixie-net.com(22740)

Question 126304: 3x-y=10
Click here to see answer by checkley71(8403)

Question 126306:
-2x+3y=4
Click here to see answer by checkley71(8403)

Question 126427: 5=6x-y graph linear
please show me how this is done.. thanks
Click here to see answer by josmiceli(19441)

Question 126427: 5=6x-y graph linear
please show me how this is done.. thanks
Click here to see answer by stanbon(75887)

Question 126456: 2y=x+4 Graph
Click here to see answer by bucky(2189)

Question 126456: 2y=x+4 Graph
Click here to see answer by JessicaGill(40)

Question 126479: I need help with this question too!
Suppose you are copying a photograph and would like to reduce it to 75% of its original siz. The function y=.75^x models the size of an image x number of times after it is reduced. Graph the function.
Click here to see answer by stanbon(75887)

Question 126478: I need help with graphing. Here's the equation:
y=1/6(3^x)
Click here to see answer by stanbon(75887)

Question 126435: y=-2/3x-1
Click here to see answer by JessicaGill(40)

Question 126490:
Graph f(x)=3x+2
Click here to see answer by checkley71(8403)

Question 126432: -x+10y=11
graph linear equation

Click here to see answer by JessicaGill(40)

Question 126425: Y=X-7
4X-7Y=10
FIND X AND Y SOLUTION
Click here to see answer by scott8148(6628)

Question 126148: Rewrite the equation �8x � 5y = � 45 as a function of x.

Click here to see answer by frustrationwithmath(1)

Question 126546: Line passing through (5,-6) and (-9,4) is perpendicular to a line with a slope 14/5. Find the value of y
Click here to see answer by checkley71(8403)

Question 126544: Rewrite the equation 4x-10y=11 as a function of x
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Question 126545: Find the slope of the line passing through points (2,-5) and (-10, -5)
Click here to see answer by scott8148(6628)

Question 126629: I need help with function notation. Not only do I not completely get the concept, I definitely don't understand graphing it. Thanks so much
Graph f(x) = 3x + 2

Click here to see answer by solver91311(24713)

Question 126652: I have a worksheet and it is about solving each system of equations by graphing. i dont understand the third problem.
Y=2x+1
-2x+3y=-9

Click here to see answer by stanbon(75887)

Question 126780: please graph
2x + y= 8
2x - y = 0
thank you
Click here to see answer by solver91311(24713)

Question 126777: Write the equation of the line passing through (4, 4) and (4, 2).
thanks for the help
Click here to see answer by stanbon(75887)

Question 126910: Hi could you help me solve his problem. The section im working on is graphing square root and other radicals functions.
The formula t=2(pi symbol)square root of (L/9.8)
can be used to estimate the number of seconds t it takes a pendulum of length L meters to make one complete swing. Graph the equation on a graphing calculator. Then use the graph to estimate the values of t for pendulums of lengths 1.5 meters and 2.5 meters. (1 point)
Thanks :)
Click here to see answer by bucky(2189)

Question 126931: Please help solve and graph problem. This is what I got. Tell me if correct.
/3x+2/>=5
3x+2>=-5 or3x+2>=5
3x>=-7 or 3x>=3
x>=-7/3 or x>=1
(-inf,-7/3]U [1,+inf)
Click here to see answer by jim_thompson5910(35256)

Question 126776: A bus leaves a station at 1 P.M., traveling west at an average rate of 44 mi/h. At 2 P.M. on the same day a second bus leaves the same station, traveling east at a rate of 48 mi/h. Approximately at what time will the two buses be 274 mi apart?
please help i have such problems with word problems
Click here to see answer by ankor@dixie-net.com(22740)

Question 127010: how many solutions does the following system have? explain. y= -1/2x+2
3x+6y=2
Click here to see answer by solver91311(24713)

Question 127024:
Solve using the multiplacation mathod.
-2x<-6
Click here to see answer by checkley71(8403)

Question 127007:
graph y=-2(x+1)^2+5
Click here to see answer by checkley71(8403)

Question 127046:
Janet invested $31,000, part at 10% and part at 1%. If the total interest at the end of the year is $1,390, how much did she invest at 10%?
please help
Click here to see answer by checkley71(8403)

Question 127079: Suppose that you take care of pets for vacationing neighbors each summer. You charge $15 per day to feed and walk a dog and $5 per day to feed other pets. You know that you can care for 10 pets per day and you want to earn at least $30 per day. Write a system of linear inequalities that describes the situation for x dogs and y pets other than dogs. Then graph the system to show all possible solutions.
Click here to see answer by josmiceli(19441)

Question 127120: One number is 12 more than another. The sum of the smaller number and twice the larger number is 39. Find the larger number.

Click here to see answer by solver91311(24713)

Question 127116: Solve the system by addition.
2x � 4y = 7
4x + 2y = 9

Click here to see answer by jim_thompson5910(35256)

Question 127126: Find the slope and y-intercept.
�x � 4y = �32

Click here to see answer by jim_thompson5910(35256)

Question 127127: Given f(x) = 3x + 1, find f(a + 3).
Click here to see answer by jim_thompson5910(35256)

Question 127128: Are the following lines parallel, perpendicular, or neither?
L1 through (�4, �7) and (1, 3)
L2 through (2, 6) and (4, 10)

Click here to see answer by jim_thompson5910(35256)

Question 127139: Find the slope of the line passing through the points (�7, �4) and (�1, �10).
Click here to see answer by iluvbuilding429(41)

Question 127143: Find the slope of the line passing through the points (�8, �3) and (�2, 2).
Click here to see answer by iluvbuilding429(41)

Question 127143: Find the slope of the line passing through the points (�8, �3) and (�2, 2).
Click here to see answer by jim_thompson5910(35256)

Question 127136: Write the equation of the line with x-intercept (�, 0) and undefined slope
Click here to see answer by solver91311(24713)

Question 127138: Graph the solution: x + 3y = 6.
Click here to see answer by solver91311(24713)

Question 127123: An airplane covered 13 miles of its route while decreasing its altitude by 18,000 feet. Find the slope of the airplane's line of descent. Round to the nearest hundredth
Click here to see answer by Fombitz(32388)

Question 127122: Bob invested $20,000, part at 14% and part at 13%. If the total interest at the end of the year is $2,720, how much did he invest at 14%?
Click here to see answer by ankor@dixie-net.com(22740)

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