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

Tutors Answer Your Questions about Graphs (FREE)

Question 315091: How do I graph the function f(x)=
.02x^7+2x^4-3x^3+9x-14? Thank you!

jaz21@ksu.edu

Click here to see answer by nyc_function(2741)

Question 315016: Solve and graph the solution x/3<=5.
Someone PLEASE help!!! Thanks in advance!
P.S.The graph is a number scale.
Click here to see answer by Fombitz(32388)

Question 315110: Graph: y=-2x+4
Click here to see answer by coleman559(1)

Question 315120: Solve by graphing.
3x +y=5
-2x+3y=4
Click here to see answer by malaydassharma(59)

Question 315127: Graph the equation: 2x - y = 4
Use assuming method.
Click here to see answer by malaydassharma(59)

Question 315018: Graph y>=2x+1 Please help me! I really can't get this...
Thank you for the help
Click here to see answer by malaydassharma(59)

Question 315089: Find an equation for the line, in the indicated form, with the given properties.
Containing the points (-8, 6) and (1, 1); slope-intercept form

Click here to see answer by Fombitz(32388)

Question 315189: calculate the slope of the line: x-4x=3
Click here to see answer by nerdybill(7384)

Question 315189: calculate the slope of the line: x-4x=3
Click here to see answer by Fombitz(32388)

Question 315217: how do yu get the answer?
Click here to see answer by CharlesG2(834)

Question 315295: How would you go step by step in graphing the following Inequality X+2y>6
Click here to see answer by solver91311(24713)

Question 315354: Give an equation that is slope m=4 and Y intercept of b=-3
Click here to see answer by rfer(16322)

Question 315493: If a line passes through the points (2,2) and (4,5), the equation of the line is y - 2 = 2/3(x - ___).
Click here to see answer by solver91311(24713)

Question 315540: which inequality is equivalent to 5x+3<4(x+4)?
Click here to see answer by CharlesG2(834)

Question 315606: Graph the equation y=x^2-2x+1
Click here to see answer by stanbon(75887)

Question 315712: How do I work this equation?
2. Suppose that the length of a rectangle is three cm longer than twice the width and that the perimeter of the rectangle is 90 cm.
a) Set up an equation for the perimeter involving only W, the width of the rectangle.
Answer:
b) Solve this equation algebraically to find the length of the rectangle. Find the width as well.
Answer: Length ______, Width ______

Click here to see answer by Earlsdon(6294)

Question 315888: Please help me solve this:
Graph: y=3/2x - 1 (using the gradient/intercept method)
Click here to see answer by Fombitz(32388)

Question 316017: You are selling cups of coffee at a sporting event. Your sales records show that when the coffee is priced at $3 per cup, you sell 650 cups. When the coffee is prices at $2.50, you sell 930 cups.
Using that information, write a linear equation for the relationship between price (p) and quantity (q) sold. Your starting point is: q = mx + b, which is the slope intercept form of an equation, and using the two ordered pairs you find m and b. Make sure your answer here is an equation.

Click here to see answer by jim_thompson5910(35256)

Question 316028: y = 1/3x
graph the equation and identify the y-intercept.
Click here to see answer by jim_thompson5910(35256)

Question 316078: d. Imagine you want to add a sprinkler system and the location of one section of the sprinkler line can be described by the equation

Complete the table for this equation.
x y (x,y)
-1
-2
-4
2
8

Click here to see answer by solver91311(24713)

Question 316122: Please help me solve this:
Graph: 2x + y = 4 (using the intercept method)
Click here to see answer by jim_thompson5910(35256)

Question 316215: it is 47 miles from key largo to miami. if a person must make four round trips from key largo to miami. how many miles will be travaled?
Click here to see answer by Fombitz(32388)

Question 316170: How to graph y+8/3x+4
Click here to see answer by Fombitz(32388)

Question 316168: How to graph y=3/4x+5

Click here to see answer by Fombitz(32388)

Question 316421: A triangle has sides of squareroot of 2 and 3. Which could not be the length of the third side if it is a right triangle?

squareroot of 7 OR squareroot of 11 OR squareroot of 13.
Click here to see answer by stanbon(75887)

Question 316419: Which of the following equations is of a parabola with a vertex at (0, -3)?
y = (x - 3)^2
y = (x + 3)^2
y = x^2 - 3
y = x^2 + 3
Click here to see answer by solver91311(24713)

Question 316423: What is the x-coordinate of the vertex of the parabola whose equation is y = 3x2 + 12x + 5?
x = -4 , x= - 3 , OR x= - 2
Click here to see answer by stanbon(75887)

Question 316424: Find the distance between the points (-5, 0) and (-4, 1).
1 OR squareroot of 2 or 2 squareroot of 2
Click here to see answer by solver91311(24713)

Question 316422: What is the radius of the circle whose equation is x2 + y2 = 9?
3 , 9 OR 81?
Click here to see answer by solver91311(24713)

Question 316590: what is the correct graph of the function y = 2x - 1?
Click here to see answer by moshiz08(60)

Question 316590: what is the correct graph of the function y = 2x - 1?
Click here to see answer by texttutoring(324)

Question 316602: What equation has a slope of 2 and contains the point (4,-4)?
Click here to see answer by texttutoring(324)

Question 316653: What is the shape of the graph of 9x + 7y = -1000
Click here to see answer by nerdybill(7384)

Question 316653: What is the shape of the graph of 9x + 7y = -1000
Click here to see answer by stanbon(75887)

Question 316779: Will someone pleae show me how to Name the curve described by the following equation?
(x+2)^2 + y^2 = 4
I'd like to know how to solve it manually with full working so that I can also show the co-ordinates of the centre, and the radius of the shape.
Thanks, -Nick.
Click here to see answer by moshiz08(60)

Question 316865: Write the equation of the line that passes through the points (2,7) and (8,-1).

Click here to see answer by nyc_function(2741)

Question 316872: Write the standard form (ax+by=c) of the equation of the line with the following conditions.
1. Through: (1,2) Slope; 7
What i have tried: i have tried to graph it. i used the slope. And after that i got lost, because i dont understand the question itself. HELP, please
?
Click here to see answer by Fombitz(32388)

Question 316866: What is an example when the solution of a system of inequalities must be in the first quadrant? Why is it constrained to this quadrant?

I know that in order for a solution of a system of inequalities to be in the forst quadrant it must be a positive number. But how do I show an example? Please help.
Click here to see answer by Theo(13342)

Question 317218: determine whether (7,11) is a solution of y-10x-10
Click here to see answer by Fombitz(32388)

Question 316086: y=-x-9 find the y intercept
Click here to see answer by moshiz08(60)

Question 317223: 2x < 6
Click here to see answer by JBarnum(2146)

Question 317377: -6<=3+x<4
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