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

Tutors Answer Your Questions about Graphs (FREE)

Question 289429: a car leaves town and drives east at 50 miles per hour. a second car leaves the same point three hours later and also drives north at 50 miles per hour. how far apart are they 4 hours after the second care leaves?
Click here to see answer by richwmiller(17219)

Question 289610: I need help in graphing linear equations with fractions. For ex. y=1/2x-4. I dont understand how to find the values of x & y and how the problem is solved.
Click here to see answer by rfer(16322)

Question 289675: graph: -6<2x<12
Click here to see answer by j1mmy94(14)

Question 289971: A water tank containing 68 gallons of water had the drain opened. The water drains out at 3 gallons per minute. Let g=f(t) be the function that gives the number of gallons of water (g) remaining in the tank t minutes after the drain is opened.
a. Give an equation which describes this function.
b. Explain how to evaluate and interpret f(13)
C. Explain how to evaluate and interpret f-1(20). f-1 meaning inverse.
Click here to see answer by nerdybill(7384)

Question 289995: with the slope of -4 and containing the point (3,-8) what is the standard form for this?
Click here to see answer by Fombitz(32388)

Question 289999: solve my elimination:
3x-7y=1
6x=14y+2
Click here to see answer by Fombitz(32388)

Question 290089: Find the slope and Y intercept of the graph of the equation.: Y=2/5x- 8/5
Click here to see answer by checkley77(12844)

Question 290279: Hi. I need help with writing the following equation in y=mx+b form, with slope
-1/2 and y-intercept 11. Thanks.
Click here to see answer by richwmiller(17219)

Question 290283: I am getting ready to take the praxis I math test, and I am strugging with questions about graphing inequalities like this one: y=x^-2x. would you explain how to graph this one and if you have another example too please. My email: pierceluisa@yahoo.com thank you
Luisa Pierce
Click here to see answer by richwmiller(17219)

Question 290401: Help is very much needed. What is the solution set of the equation 3x^2=48? Graph is needed. If possible please explain?
Click here to see answer by richwmiller(17219)

Question 290401: Help is very much needed. What is the solution set of the equation 3x^2=48? Graph is needed. If possible please explain?
Click here to see answer by ankor@dixie-net.com(22740)

Question 290426: y +x = -6
Click here to see answer by checkley77(12844)

Question 290024: find 4 consecutive intergers whose sum is 194?

Click here to see answer by richwmiller(17219)

Question 290560: What is the standard form of this problem? containg the point -3,-6 and perpendicular to the graph of 4x+3y=5
Click here to see answer by checkley77(12844)

Question 290658: find an equation for the line parallel to the line 4x-3y=-9 having the same y-intercept as 7x+4y=7
Click here to see answer by blwinbbbles(106)

Question 290734: Ms. Grayson has budgeted $6500 for a computer lab in her school. Each new computer costs $750, and each new computer table costs $60. If Ms. Grayson buys 8 new computers, which inequality can be used to find t, the number of new tables she can buy ?
Click here to see answer by richwmiller(17219)

Question 290840: use the intercepts to graph the equation. -x+4y=8
Click here to see answer by checkley77(12844)

Question 290660: Solve the following system by graphing
2x-y=-1
x+ 2y=22
Click here to see answer by richwmiller(17219)

Question 290898: Write the standard form with a slope= -3/5 , y-intercept=5.
Click here to see answer by unlockmath(1688)

Question 290967: write an equation for the line with slope 1/3 and y - intercept 4

Click here to see answer by nerdybill(7384)

Question 290967: write an equation for the line with slope 1/3 and y - intercept 4

Click here to see answer by richwmiller(17219)

Question 291020: graph the equation and identify the y-intercepts. y=3/4x+6
Click here to see answer by jim_thompson5910(35256)

Question 291010: Slove using the addition and multiplication principles.6x-13<-37

Click here to see answer by jim_thompson5910(35256)

Question 290952: solve using the addition and multiplication principles. 6x-13<-37
Click here to see answer by jim_thompson5910(35256)

Question 291033: Find the y-intercept and the x-intercept for the equation
2x+3y=12

Click here to see answer by Greenfinch(383)

Question 291059: Use slope-intercept to write the equation of the line with the given properties. Write each equation in slope-intercept form.
passing through 9-4,5) and (2,-6)
Click here to see answer by richwmiller(17219)

Question 291073: y=-1/2x-4 what coordinates will work in this problem
Click here to see answer by richwmiller(17219)

Question 291030: Slove y-8<-16
Click here to see answer by richwmiller(17219)

Question 291123: Hello
I'm really stuck on this question and would be very grateful if you could help me out.
QUESTION:Find the points of intersection of the line y=5x+13 with the circle
I'm not really sure how to approanch this question but have been attempting to solve it almost like a simultaneous equation by substitution:

This eventually gets me down to the quadratic:

simplified to
This is all probably wrong but even if I am right I don't know where to go from here...
Please help!
Thanks ever so much,
From Katie
Click here to see answer by jim_thompson5910(35256)

Question 291095: The perimter of a rectangle is 174 inches. The elngth exceeds the width by 61 inches. What is the length and the width?
What is the lenghth?______
(Type and integer or a decimal)
What is the width?_____
( type and integer or a decimal)
Click here to see answer by brucewill(101)

Question 291094: Determine whether the numbers given are solutions of the inequalty.
8,-16, -20, -2
y-8>2y-4
A) is 8 a solution??yes____no___
B) is -16 a solution? yes___no___
C) is -20 a solution? yes___no___
D) is -2 a soution? yes___no___

Click here to see answer by brucewill(101)

Question 291093: The hockey team recieves 2 points when they win and 1 point when they tie. One season, the team won a championchip with 62 points. They won 10 moregames than they tied. How many wins and ties did the team have??
wins___
ties____
Click here to see answer by brucewill(101)

Question 291091: Soybean meal is 18% protein, and cornmeal is 9% protein. How many pounds of each should be mixed together to make 360 lbs of mixture that is 12% protein?
How many pounds of cormeal sould be used in the mixture?______
How many pounds of Soybean meal should be used in the mixture?____
Click here to see answer by brucewill(101)

Question 291089: Solve by the elimination method.
3x-9y=3
2x-9y=4
WHat is the solution to the system?
A) The solution is ___( type an ordered pair. Use integers or fractions for any numbers in the expression)
B) There are infinitely many solutions.
c) There is no solution
Click here to see answer by brucewill(101)

Question 291227: sets A={2,4,6,8},B={1,3,7,9,13,21},c={}, D={#,&,%,[],*}
Determine n(D)
Click here to see answer by jim_thompson5910(35256)

Question 291232: Given the following set, select the statement below that is true.
A = {q, r, s, t, u} which statement below is true
(Points :3)
p ∈ A
5 ∈ A
r ∉ A
s ∈ A
A �

Click here to see answer by Fombitz(32388)

Question 291269: write an equation of the line containing the given point and parallel to the given line. Express your answer in the form y=mx+b
(-3,6);7x=6y+5
the equation of the line is Y=
Click here to see answer by Fombitz(32388)

Question 291275: how do i solve -9x-2<-8x+7
Click here to see answer by Alan3354(69443)

Question 291288: not sure how to find the equation of the line that contains the points(0,3)and(2,5)
Click here to see answer by checkley77(12844)

Question 291299: A student opens a mathematics book to two facing pages. The product of the page numbers is 2162. Find the page numbers.
Click here to see answer by checkley77(12844)

Question 291299: A student opens a mathematics book to two facing pages. The product of the page numbers is 2162. Find the page numbers.
Click here to see answer by Grinnell(63)

Question 291335: what is the slope in 2y+4 = x+ 3
Click here to see answer by stanbon(75887)

Question 291274: how do i find the slope and y intercept for the line y=-1/3x+5
Click here to see answer by Alan3354(69443)

Question 291471: Hello, what is the x-intercept of the problem? -5x+ y=3
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