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

Tutors Answer Your Questions about Graphs (FREE)

Question 444378: I know this is relatively easy, but I need to know if I'm correct on this graphing question. Click the link below to see the actual graph. Thank you!
Homework problem:
The pie graph below shows the time Debbie spent on her homework for each subject last week. On which class did she spend almost 1/4 of her time studying?
http://i613.photobucket.com/albums/tt214/Gabbycrts/image0164c7cb0e9.gif
Is it History?

Click here to see answer by ewatrrr(24785)

Question 444573: What is the slope - intercept for a line that passes through (-4,-3) and (-6,7)Show the work.
Click here to see answer by oberobic(2304)

Question 444576: Solve the inequality. State the solution set in interval and set builder notation and sketch its graph.
13-5x_<3(x-1)

Click here to see answer by solver91311(24713)

Question 444640: What is an equation of the line that contains the points at (8,4) and (8,-3)?
Click here to see answer by chriswen(106)

Question 444640: What is an equation of the line that contains the points at (8,4) and (8,-3)?
Click here to see answer by oberobic(2304)

Question 444659: Solve and Graph-
4x+2y= -6
Click here to see answer by oberobic(2304)

Question 444739: Find the y-intercept for -2x + 2y = 4
Click here to see answer by robertb(5830)

Question 444986: I need a little help with this graphing question. Honestly, I just don't get graphs very well. Also, if you wouldn't mind showing your work, so that I will understand how you arrived to the answer. Thank you!
Homework question:
The graph below shows the price change of an item over several years. Find the rate at which the price is increasing.
http://www.flickr.com/photos/62474130@N03/5687847434/

Click here to see answer by MathLover1(20849)

Question 444952: how do you graph y=x-3
Click here to see answer by Alan3354(69443)

Question 445014: Can you help me write the slope of the line for the graph below?
http://www.flickr.com/photos/62474130@N03/5688140740/
Thanks so much!
Click here to see answer by josmiceli(19441)

Question 445039: Can you help me find the x- and y-intercepts for the equation, and graph the equation?
y = -6x � 8
Also, if you don't mind, please show me how you arrived to your answer, so that I'll have a better understanding of it. Thank you so much!
Click here to see answer by checkley79(3341)

Question 445079: how would you graph the quadratic function y=xsquared-4x+2
Click here to see answer by solver91311(24713)

Question 445097: How do I graph y=-1/3x+2?
Click here to see answer by stanbon(75887)

Question 445481: graph 3y + 2x = 3
Click here to see answer by rwm(914)

Question 445500: plot the points (2,3) and (-4,1) to answer the following. Draw a right triangle where the hypotenuse is the line segment joining the two points and the legs are vertical and horizontal. What are the leg lengths?
Click here to see answer by rwm(914)

Question 445616: x-2y=10 and y=1/2x+4
Are the equations parallel
Click here to see answer by robertb(5830)

Question 445882: Translate the following into symbols: a is greater than b
All I can think is a>b. it can't be that easy
Click here to see answer by edjones(8007)

Question 445884: a number that can be expressed as the quotient of two integers is called a ___________ number.
Click here to see answer by edjones(8007)

Question 446003: Which of the following ordered pairs is on the graph that represents
the algebraic function y = 2x � 1?
A. (�2, �5)
B. (� 4, �7)
C. (0, 1)
D. (3, 4)
I don't know how to solve this problem
Click here to see answer by ewatrrr(24785)

Question 446065: An equation and two ordered pairs are given. Show that each pair is a solution of the equation. Then graph the two pairs to determine another solution.
2y + x = 5; (−1, 3), (7, −1)
My answer:
2 * 3 + -1 = 5
2 * -1 + 7 = 5
Now, my question is, how do I graph the two pairs to determine another solution?
Click here to see answer by richard1234(7193)

Question 446087: determine whether the graphs of the equations are perpendicular.
8x-7y=3
8y-7x=9
Click here to see answer by MathLover1(20849)

Question 446059: Can you help me find the x- and y-intercepts and graph the equation plotting the intercepts? -2x + 3y = -15
Thank you so much!

Click here to see answer by mananth(16946)

Question 446131: Solve the system of equations by graphing.
2x-y=6
6x-3y=6

help pease.
Click here to see answer by mananth(16946)

Question 446186: Graph the system of inequalities
y(is greater than or equal to)-4
x(is greater than or equal to)5
I have tried working out this problem by dividing, but the answer does not look correct. Please help me, I have asked everyone I know and they cannot help me.
Click here to see answer by mananth(16946)

Question 446174: why the period of sin(x) is 0 to 2pi not -pi to +pi??
Click here to see answer by josmiceli(19441)

Question 446251: how do I graph the equation using the slope and the y-intercept y=8/5x+2
Click here to see answer by stanbon(75887)

Question 446361: Can you help me write the equation of the line given in the graph?
http://www.flickr.com/photos/62474130@N03/5693715793/
Click here to see answer by mananth(16946)

Question 446361: Can you help me write the equation of the line given in the graph?
http://www.flickr.com/photos/62474130@N03/5693715793/
Click here to see answer by richard1234(7193)

Question 446357: Can you help me find the slope of the line using the two plotted points in the graph?
http://www.flickr.com/photos/62474130@N03/5693715805/
Thank you.
Click here to see answer by mananth(16946)

Question 446355: Darrin skateboards at the local skateboard park. A ramp at the park is shaped like the parabola shown above. Darrin's distance above the ground (Y) denpends on X.What is the solution for X when Y=0?
Click here to see answer by Alan3354(69443)

Question 446428: Hello,
Can someone please help me to understand this problem? Thanks
1. You are planning to spend no more than $10,000 and no less than $8,000 on your landscaping project.
a. Write an inequality that demonstrates how much money you will are willing to spend on the project.

b. For the first phase of the project, imagine you want to cover the backyard with decorative rock and plant some trees. You need 30 tons of rock to cover the area. If each ton costs $80 and each tree is $104, what is the maximum number of trees you can buy with a budget of $3,500? Write an inequality that illustrates the problem and solve. Express your answer as an inequality and explain how you arrived at your answer.

c. Would twelve trees be a solution to the inequality in Part b? Justify your answer.

Click here to see answer by rfer(16322)

Question 446429: Hello,
Can someone please help me to understand this problem? Thanks
1. You are planning to spend no more than $10,000 and no less than $8,000 on your landscaping project.
a. Write an inequality that demonstrates how much money you will are willing to spend on the project.

b. For the first phase of the project, imagine you want to cover the backyard with decorative rock and plant some trees. You need 30 tons of rock to cover the area. If each ton costs $80 and each tree is $104, what is the maximum number of trees you can buy with a budget of $3,500? Write an inequality that illustrates the problem and solve. Express your answer as an inequality and explain how you arrived at your answer.

c. Would twelve trees be a solution to the inequality in Part b? Justify your answer.

Click here to see answer by mananth(16946)

Question 446502: y = -1/3x - 1 make t chart , solve and graph each equation
Click here to see answer by ewatrrr(24785)

Question 446504: y = 4 - 5/3x make t chart solve and graph
Click here to see answer by ewatrrr(24785)

Question 446501: Y = -3x + 2 make a t chart and graph each equation
Click here to see answer by ewatrrr(24785)

Question 446503: y= 6 - x make tchart and solve and graph each equation
Click here to see answer by ewatrrr(24785)

Question 446444: what is y=2/3x+1
Click here to see answer by ewatrrr(24785)

Question 446608: in a fraction is the x axis or y axis on top?
Thanks a bunch,
wildworkz

Click here to see answer by rfer(16322)

Question 446594: how do i find the slope between to cordinancies without using a graph for example if the question was what is the slope of the line that passes through the points (6,-6) and (-2,6) how would i solve this??
Click here to see answer by sudhanshu_kmr(1152)

Question 446798: find the slope and the y-intercept of the line. write fractional answers in lowest terms.
8y+9x+4=5+9x
the slope is=
the y-intercept is
Click here to see answer by sudhanshu_kmr(1152)

Question 446812: find an equation of the line containing the given pair of points
(1,2) and (3,3)
y=
Click here to see answer by rfer(16322)

Question 446974: Find the x and y intercepts and graph the equation plotting the equations. -3x-5y=15
Can anyone help?
Click here to see answer by algebrahouse.com(1659)

Question 447005: Find the slope and y-intercept of the line in the given equation y=-4/5x-10
Thanks in advance.
Click here to see answer by richard1234(7193)

Question 447009: Last question: Write the slope-intercept equation for the line that passes through (-4,-8) and(-3,-2). ....
Now with that I shouldnow how to do it...Thank you and Bless you!
Click here to see answer by sudhanshu_kmr(1152)

Question 447013: x-4y=8 how do you get y by itself, same with this one 3y-2x=o
Click here to see answer by ewatrrr(24785)

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