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

Tutors Answer Your Questions about Graphs (FREE)

Question 690871: Graph the inequality. Using a test point.
5x+4y<12
Help please
Click here to see answer by MathLover1(20849)

Question 691016: Please help!!!! When is f(x)<0 for f(x)=(4^x)-5
Click here to see answer by fcabanski(1391)

Question 691158: 3 less than or equal to w + 2 less than or equal to 7. I need to know how to solve it and how to graph the solution
Click here to see answer by pmatei(79)

Question 691066: find the slope of the line passing through the points (2, 5) and (0, -4)
Click here to see answer by Lucky Duck(4)

Question 691169: Prove that the point (3a-1, 2-2a) lies on the line 2x+3y=9
can you please help me with this question? thanks in advance.
Click here to see answer by pmatei(79)

Question 691109: What is the slope of a line perpendicular to the line with the equation y=4x+5
Click here to see answer by checkley79(3341)

Question 690742: Please help!!
Find the equation of the line which contains P(-3,-5) and which is perpendicular to the y-axis

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

Question 691254: Prove that the point (3a-1, 2-2a) lies on the line 2x+3y=9
can you please help me with this question I really don't understand? thanks in advance.

Click here to see answer by ReadingBoosters(3246)

Question 691214: what is the equation for the line passing through the point -3,-2 and having a slope of 3?

Click here to see answer by ReadingBoosters(3246)

Question 691503: what is the ordered pair for y=-2x+7
Click here to see answer by jim_thompson5910(35256)

Question 691843: how to graph y=(x-3)�
Click here to see answer by jim_thompson5910(35256)

Question 690753: How do you graph this equation: y-2=-2(x + 3)
Click here to see answer by jim_thompson5910(35256)

Question 691859: Please help me solve this graphic equation for my daughter y>3/5x-2 thank you
Click here to see answer by Edwin McCravy(20054)

Question 692098: Graph the system of equations. Then determine whether the system has "no solution" , "one solution", or "infinite solutions". If the system ha one solution name it.
Y= -1/2x + 3
Y= 2x - 2
(it shows just a plain graph)
I know it's "y= m(x) + b" but idk if I should use m = y2 - y1 over x2 - x1 I'm really confused.
Click here to see answer by ReadingBoosters(3246)

Question 692268: 4
Click here to see answer by lenny460(1073)

Question 692513: is each number a solution of -7x < -21?
a.3
b.0
c.8/3
d.4
Click here to see answer by checkley79(3341)

Question 692552: what is x over a plus y over b =1
Click here to see answer by Alan3354(69443)

Question 692552: what is x over a plus y over b =1
Click here to see answer by KMST(5328)

Question 692801: determine the point of intersection of:
a) 1/2(x-2)-1/4(3-y) ≥ 2
3x-4y ≥ 2
b) x-3(y-3) ≤ 3
2x - 1/3(3-3y) ≥ 4
x + 5/3y ≥ 1
Click here to see answer by MathLover1(20849)

Question 692789: (-8,0) (8,1) distance between each pair point

Click here to see answer by Alan3354(69443)

Question 692833: y=3x+4
Click here to see answer by Stitch(470)

Question 692901: Sketch a graph and shade in the portion that would represent the solution
x + y > 2

Click here to see answer by MathLover1(20849)

Question 692902: Sketch a graph and shade in the portion that would represent the solution
x - y < 2

Click here to see answer by jim_thompson5910(35256)

Question 692877: Graph the equation y= -1/3x + 2
Click here to see answer by jim_thompson5910(35256)

Question 692933: Please help graphing a function
how do you graph this function: f(x)={3x+4 if x < -2
{5 if x= -2
{2-x^2 if x > -2
Thanks!
Click here to see answer by jim_thompson5910(35256)

Question 692945: Graph
y = -x + 2
y = 3x - 1
Click here to see answer by jim_thompson5910(35256)

Question 692973: If my standard equation is y+9=-3(x-2) and my answer was 3x+y=7. Was I correct?
Click here to see answer by fcabanski(1391)

Question 692973: If my standard equation is y+9=-3(x-2) and my answer was 3x+y=7. Was I correct?
Click here to see answer by RedemptiveMath(80)

Question 692978: How do I Solve an equation in standard form for y-4=-(x-1)? It was easy at first but then I got confused?
Click here to see answer by jim_thompson5910(35256)

Question 692986: What is the graph of the inequality in the coordinate plane?
y < -2
Click here to see answer by jim_thompson5910(35256)

Question 693015: how do solve y=-2 and then graph it?
Click here to see answer by ReadingBoosters(3246)

Question 693008: x + 2y = 8
x + 2y = -4
Click here to see answer by checkley79(3341)

Question 693053: It says... find the slope of the line that passes through the pair of points...(-3,-2), (5,4)....
Click here to see answer by rfer(16322)

Question 692992: What is the solution of the system? Use substitution.
2x - y = -7
4x - y = -4
Click here to see answer by RedemptiveMath(80)

Question 693142: find the slope of (7,9) (12,6)
Click here to see answer by jim_thompson5910(35256)

Question 693145: Find in each case the number or numbers that can replace k so that the resulting ordered number pair will be on the graph in the given equation.
x + 2y = 5;(k,2)

x + 3y = 10;(13,k)

x - y = 0;(k,k)

x + y = k;(2,5)

Thank you so much for you help!

Click here to see answer by rfer(16322)

Question 692374: Graph the following system of linear inequalities {5x-4y≥0
{5x+7y≥55
{5x-3y≤70
x,y≥0

Thanks for any help, I do not understand this at all.
Click here to see answer by KMST(5328)

Question 666366: Which of the following points lie in the solution set to the following system of inequalities?
y x - 5
y -x - 4
Click here to see answer by wirtydord(1)

Question 693418: Find x & y int. of the function:
Click here to see answer by pmatei(79)

Question 693711: how do i solve and graph this equation-2x �y = -3
Click here to see answer by ReadingBoosters(3246)

Question 693748: given f(x) = x-3 and g(x) = x^2 +2
a)find(f+g)(x) whats the domain and range
b) find f/g (x) whats the domain and range
find g/f (x) whats the domain and range
thanks for ur help, i am really confused rite now lol
Click here to see answer by stanbon(75887)

Question 693743: given the function f(x) = 4x^2 -4x +1
a. find f(1/2)
b. find f(3b-1)

Thanks so much
Click here to see answer by RedemptiveMath(80)

Question 693896: What is the slope of the line passing through the points (2, 5) and (0, -4?
Click here to see answer by MathLover1(20849)

Question 693925: I do not understand why does the graph of a rational have only one horizontal asymptote? Im familair kind of with something called an arbitrary function but that means some sort of way it can have two functions. Im extremely confused please help me. Thank you in advance.
Click here to see answer by stanbon(75887)

Question 693955: solve the inequality:

Click here to see answer by JBarnum(2146)

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