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

Tutors Answer Your Questions about Graphs (FREE)

Question 207352: I have to graph two problems that I don't understand whic are.
y=3x-5 and 3x+2=5x-4
Click here to see answer by rfer(16322)

Question 207407: find the midpoint of the line segment PQ
p(3,6)
q(4,6)
Click here to see answer by solver91311(24713)

Question 207454: find the equation of the line in standard form containing a point P(-3,3) and slope m=-4/3
Click here to see answer by Alan3354(69443)

Question 207530: Using the point-slope form y - y1 = m (x-x1)
write an equation for the line with slope -2, containing the point (3,4)
Click here to see answer by mickclns(59)

Question 207609: I need help graphing two problem which are: 3x-1=5x-y and y=/x/+3
Sorry so you won't get confused the second problem with the x is between two straight lines. That's as close as I can get to showing you it's between two lines. Thank you
Click here to see answer by Theo(13342)

Question 207610: A line passes through the points P(4,0) and Q(6,-4).
a) Calculate the slope of the line.
b) Write the equation of the line in slope-intercept form.

Click here to see answer by checkley77(12844)

Question 207639: Solve using completing the square? -3x^2+6x-5
Click here to see answer by jim_thompson5910(35256)

Question 207652: hello tutors. i need your help with this problem.
find an equation of the line that passes through the origin and the point (4,-8)
thank you so much, my memory is very rusty and i could really use a refresher!
Click here to see answer by rfer(16322)

Question 207546: Which of the ordered pairs (0,0), (-2,10), (-1,-5), (-3,9), (5,1) are solutions for the equation y=5x? Be sure to show your work for each ordered pair.
Click here to see answer by rfer(16322)

Question 207721: 5,1 is a solution to the equation 2x-3y=7. What does this mean?
Click here to see answer by jim_thompson5910(35256)

Question 207721: 5,1 is a solution to the equation 2x-3y=7. What does this mean?
Click here to see answer by stanbon(75887)

Question 207736: 4x+y=-4
Click here to see answer by rapaljer(4671)

Question 207795: please help. I am trying to teach this to my daughter,but I need step by step instructions in order to do so .Thanks
solve for the unknown
1.5 = sqrt a + 2 (the 2 is not inside the sqrt symbol)
2.33 + 4 sqrt a = 6 sqrt a - 7 (7 is not inside the sqrt symbol)
thanks for the help. I really appreciate it.
Click here to see answer by jim_thompson5910(35256)

Question 207794: i posted these problems 4 days ago,but haven't received a response.could someone please help me.Thanks.
sketch the graphs,using the roots to find the function and the turning point
1.x = -8, x = 4
2.x = -3, x = 3
thanks for the help.hagd

Click here to see answer by vleith(2983)

Question 207800: The value, v, of a shopkeepers inventory software program is given by v = -1/3t +3, where t is the number of years sincew the shopkeeper bought the program. What is the program worth 6 years after it is first purchased? Plot the point with the given t-value,6.
Click here to see answer by rapaljer(4671)

Question 207876: My name is Sara, I need help really bad.
Can someone describe what the graph of interval [-4,10] looks like?
Click here to see answer by Theo(13342)

Question 207956: I need help with this question.
Solve using either elimination or substitution. If the system has either no solution or an infinite number of solutions, state this.
7x - 2y = 24
5x + 4y = 28
Click here to see answer by checkley77(12844)

Question 207866: 8x-y=7
Click here to see answer by checkley77(12844)

Question 208003: I do not understand this and my daughter desperately needs help.
What numbers do you graph with integers less than negative seven or greater than negative one?
Click here to see answer by rapaljer(4671)

Question 208062: y=x2
Click here to see answer by Alan3354(69443)

Question 207958: Can someone help me with this question?
In 1995 the United States recovered 23% of its municipal solid wastes through recycling, up from 17% in 1990. Find an equation for the line whose graph depicts this data (where x is measured in years after 1990).
Click here to see answer by Theo(13342)

Question 208139: graph the equation and then identify the y- intercept y=1/4x+5
Click here to see answer by jim_thompson5910(35256)

Question 208138: Graph the system of inequalities.
Y (is less than equal to) -3/5x-1
AND
y (is greater than) -2
Click here to see answer by stanbon(75887)

Question 208140: find the slope if it exists x+7y=14
Click here to see answer by jim_thompson5910(35256)

Question 208161: graph 3x + 2y = 6. Where do you begin? Explain
Click here to see answer by jim_thompson5910(35256)

Question 208196: Hockey team receives two points when they win and one point when they tie. One season, a team won a championship with 57 points. The won 12 more games than they tied. How many wins and how many ties did the team have? I would very much apprecaiate solution. I have been working on this for hours and I can't seem to come up with the right solution.
Thank you very much.
Click here to see answer by scott8148(6628)

Question 208228: Y equals 6x passes through what quadrants?
Click here to see answer by rfer(16322)

Question 208197: A cellular phone company offers a contract for which the cost , C, in dollars, of t minutes of telephoning is given by C = .25(t � 600) + 65.95 , where it is assumed that t ≥ 600 minutes. What times will keep costs between $110.95 and $145.95?
For the cost to be between $110.95 and $145.95, the telephoning time must be between ___ minutes and ___ minutes.
Thank you, in advance. Your assistance is vey much appreciated.
Click here to see answer by ankor@dixie-net.com(22740)

Question 208398: Write an equation in slope-intercept form for the line that contains the given point and is a parallel to the given line. (2,-2);y=1/2x+3
Click here to see answer by stanbon(75887)

Question 208409: Find a possible rule connecting y with x, given that three (x,y) "ordered pairs" are (-2,-10), (0,-4), and (3,5).
Click here to see answer by HyperBrain(694)

Question 208409: Find a possible rule connecting y with x, given that three (x,y) "ordered pairs" are (-2,-10), (0,-4), and (3,5).
Click here to see answer by stanbon(75887)

Question 208410: Find a possible rule connecting y with x, given that three (x,y) "ordered pairs" are (-2,11), (0,1), and (3,1).
Click here to see answer by rfer(16322)

Question 208410: Find a possible rule connecting y with x, given that three (x,y) "ordered pairs" are (-2,11), (0,1), and (3,1).
Click here to see answer by solver91311(24713)

Question 208475: please help.I posted these about 3 days ago,but haven't got a response.Can someone please help.thanks
a parabola that opens to the right is a ? a. radicand b. function c.linear equation d. relation
sketch the graphs using the roots to find the function and the turning point
(1).x= -8, x=4
(2)x= -3,x=3
use algebra to show that there are no common solutions.
(1)y = f(x)= x^2 + 4
y = x - 5
(2) y = f(x) = -2x^2
y = 4
find the common solution for each pair of linear equations
(1) 4y + 3x = 12
2x + 3y = 1
thank you for your time and help.I really appreciate it.

Click here to see answer by stanbon(75887)

Question 208531: how do i graph the equation ""?
Click here to see answer by stanbon(75887)

Question 208532: how do i graph the equation " "?
Click here to see answer by stanbon(75887)

Question 208532: how do i graph the equation " "?
Click here to see answer by checkley77(12844)

Question 208496: solve the system using the substution method
2x-6y=-4
7x+y=25
solution (?/22,39/?)
Click here to see answer by checkley77(12844)

Question 208458: 2y^4-y^3-6y^2
Click here to see answer by checkley77(12844)

Question 208589: m/5+3>9
Click here to see answer by checkley77(12844)

Question 208689: Hi, can you please help me get through this algebra graph??
Graph f(x)= x^2+2x-6
Find the vertex, write as a coordinate, find line of symmetry, max or min?
Thanks
Click here to see answer by stanbon(75887)

Question 208777: Sketch one period of the graph of y=3cos(2x + 2pi/3).
Show the beginning and endpoint, the extrema, and the intercepts, using exact form for coordinates. Also state the amplitude, period and phase shift.
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