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

Tutors Answer Your Questions about Graphs (FREE)

Question 215819: how do u graph 2x+y-11=0
Click here to see answer by checkley77(12569)

Question 215906: Write the equation of the line with the given properties
Passing though (2,-3/2) and (3,1/2)
Click here to see answer by rfer(12670)

Question 215948: a-A cross- channel hovercraft ferry leaves Dover harbour at 9am travelling at 35km/hour. Find an equation giving d (the distance travelled in km) in terms of t (the time in hours after 9am). Plot the graph of this equatiopn for 0 b-As the hovercraft leaves the harbour, the captain sees a car ferry 5 km ahead travelling in the same direction at 15 km/hour. Find an equation for d in terms of t for the car ferry. Plot the graph of this equation, and find when the hovercraft catches up with the car ferry.
Please answer both of the parts. I am having a serious problem in this question.
Thankyou ver very much indeed.

Click here to see answer by ankor@dixie-net.com(15661)

Question 215993: graph the line y-4= -2(x+1) Please help I don't know where to begin
Click here to see answer by drj(1380)

Question 216061: step by step, how you would go about graphing the following inequality.
X + 2y ≥ 6
I need this to be as specific as possible. Thanks!
Click here to see answer by Alan3354(30993)

Question 216083: Find the ordered pair solution of y = -3x + 5.

Click here to see answer by ichudov(499)

Question 216390: graph the inequality 3x-2y>9
Click here to see answer by drj(1380)

Question 216425: hi, i need to graph
f(x) = 1/3x +2
i need simple simple simple step by step instructions as I'm just now getting back into math after not doing any for 10 years... thanks!
Click here to see answer by jim_thompson5910(28598)

Question 216461: p/3 - 3p/8 = 4
I have no idea where to start :P
Click here to see answer by nerdybill(6963)

Question 216308: What would Y>-2x+4 look like on a graph?
Click here to see answer by Kalmetam(43)

Question 216561: Can someone please help me with this problem
graph the line containing the given pair of points and find the slope.
(1,2), (-6,-5) slope of the line?
Thank you to whom ever gets my question and can help me solve it.
Click here to see answer by Earlsdon(6287)

Question 216608: q #6
FIND THE SLOPE OF THE LINE CONTANING THE POINTS (-1,4)(1,-3)
Click here to see answer by DRichardson(63)

Question 216608: q #6
FIND THE SLOPE OF THE LINE CONTANING THE POINTS (-1,4)(1,-3)
Click here to see answer by MathTherapy(1430)

Question 216611: QUESTION # 1
GRAPH THE ORDERED PAIRS (-1,2)(3,-4)
Click here to see answer by DRichardson(63)

Question 216609: q #9
FIND THE y-INTERCEPT OF THE LINE 5x-4y=8
Click here to see answer by rfer(12670)

Question 216613: QUESTION # 2
SOLVE BY GRAPHING
2x-y=1
3x+y=4
Click here to see answer by DRichardson(63)

Question 216710: how do you graph:
6x-5y+20=0?
Click here to see answer by drj(1380)

Question 216615: QUESTION # 8
SOLVE BY THE ADITION METHOD:
x-5y-z=-5
2x-2y+z=-11
-x+2y-2z=11
Click here to see answer by ankor@dixie-net.com(15661)

Question 217013: I need to know the slope of a line perpendicular to the line 7x-2y=-2
And, I need to know the slope of a line parallel to the line 7x-2y=-2
Click here to see answer by nerdybill(6963)

Question 217058: Could someone please help me with this problem. It says to graph the ellipse I tried solving for Y but i came out with y=4-1/2x which didnt seem to work. I would really appreciate any step by step help.
Click here to see answer by ichudov(499)

Question 217035: find the slope and the y-intercept
f (x) = - 2x -9
Click here to see answer by nerdybill(6963)

Question 217214: 1)A function f is given. x^4-9x^2
(a) Use a graphing device to draw the graph of f.
(b) State approximately the intervals on which f is increasing and on which f is decreasing. Use (0, 0) for any remaining intervals that you do not need. (Round your answers to the nearest tenth.)
Increasing.
It asks for (?,?) Left most increasing
(?,?) right most increasing
(?,?) left most decreasing
(?,?) right most decreasing
Click here to see answer by ichudov(499)

Question 217241: x-2y=4
2x-4y=-12
graph both linear eqations in the same rectangular coordination system.Decide if the lines are parallel,perpendicular or neither
Click here to see answer by drj(1380)

Question 217263: GrAph the following inequality
y<8x
What plots do I point to graph this problem?
Click here to see answer by drj(1380)

Question 217294: absolute value symbol x-5, absolute vaule
graph it
Click here to see answer by ichudov(499)

Question 217410: Write an equation in slope-intercept form that passes through (4, 9) and (5, 12)
Click here to see answer by drj(1380)

Question 217473: question #16
the total value of the dimes and quarters in a coin bank is $3.70. if the dimes were quarters and the quarters were dimes, the total value of the coins would be $2.95. find the number of quarters in the coin bank

Click here to see answer by drj(1380)

Question 217491: Make up an equation that contains the points (0, 3), (1, 3), and (-4, 3). Will your equation be similar or different from your classmates? WHY?
Now I know I can do y=3 to get a graph with all of these points, but our teacher is looking for another equation that will also go through all of these points and is not a horizontal line.
Click here to see answer by jim_thompson5910(28598)

Question 217518: graph the equation: y=600-40x
Click here to see answer by checkley77(12569)

Question 217470: question #4
graph y= - 3/4x+3
(the negative goes in the middle right next to the line)

Click here to see answer by rfer(12670)

Question 217806: What is the slope and y-intercept of the equation y=-2/3x-12?why?
Click here to see answer by rfer(12670)

Question 217876: 3(4+ 4x)= 12x+12
Click here to see answer by Alan3354(30993)

Question 217918: find equation that passes through the follwoing set of points
(-9,6) and (0,4)
Click here to see answer by rfer(12670)

Question 217918: find equation that passes through the follwoing set of points
(-9,6) and (0,4)
Click here to see answer by checkley77(12569)

Question 217915: please determine the slope and the y intercept
15y+2x+6=4+2x
Click here to see answer by checkley77(12569)

Question 217928: Find the slope if it exists of the line containing the pair of points:
(4,5) and (8,-3)

Click here to see answer by rfer(12670)

Question 217928: Find the slope if it exists of the line containing the pair of points:
(4,5) and (8,-3)

Click here to see answer by RAY100(1637)

Question 217928: Find the slope if it exists of the line containing the pair of points:
(4,5) and (8,-3)

Click here to see answer by drj(1380)

Question 217950: 3. Use the intercepts to graph the equation:
x-2=y

Click here to see answer by rfer(12670)

Question 217950: 3. Use the intercepts to graph the equation:
x-2=y

Click here to see answer by drj(1380)

Question 217960: Graph using the slope and the y-intercept
x+5y=10

Click here to see answer by drj(1380)

Question 217968: Find th eslope and the y intercept of the line. Whrite the fractional answer in lowest terms.
Y= - 3/10x - 5/7
Click here to see answer by checkley77(12569)

Question 217917: find the equation of the line havindg the specified slope and containing the indicated point, write answer in slope intercept form
m= -6 (-8,6)
Click here to see answer by checkley77(12569)

Question 218090: use the intercepts to graph the equation -x+5y=10
Click here to see answer by drj(1380)

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