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

Tutors Answer Your Questions about Graphs (FREE)

Question 51199: Find two quadrants in which there are no points on the graph of xy = 12.
a. I & II
b. I & III
c. I & IV
d. II & III
e. II & IV
f. III & IV
g. Al of these have points in at least three quadrants.
Click here to see answer by rapaljer(4671)

Question 51186: Determine whether the relation is a function. If it is a function, state its domain and range.
{(�8, 7), (�5, �4), (�3, 3), (�3, 6)}
a. Domain: {7, �4, 3, 6}; Range: {�8, �5, �3}
b. Domain: {�8, �5, �3}; Range: {7, �4,3, 6}
c. Domain: {�8, �5, �3}; Range: 11
d. The relation is not a function.
Click here to see answer by rapaljer(4671)

Question 51008: Find the midpoint between these points:
(-6, 3) and (4, -9)

Click here to see answer by checkley71(8403)

Question 51286: What is the slope and y- interceptof this equation: y = -x
Click here to see answer by checkley71(8403)

Question 51291: I am having problems with this question. an explanation would be awesome. i think i'm just havin problems with the fraction part.

Find the equation of the line, in standard form, with a slope of 1/4 passing through the point (9,2)
Click here to see answer by THANApHD(104)

Question 51314: f(x)=x^2+6x+5
What is the y- intercept of this function?
My ans is (5,0)
and what is the zero's of this parabola?
My ans is (0,-1),(0,-5)

am I correct?

Click here to see answer by rapaljer(4671)

Question 51716: graph the equation 5x-y=5
Click here to see answer by checkley71(8403)

Question 51717: Graph y=3x
Click here to see answer by THANApHD(104)

Question 51723: The length of a rectangle is 8 more inches than twice its width. If the perimeter of the rectangle is 64 inches, what is the width of the rectangle?
Click here to see answer by THANApHD(104)

Question 51891: Graph 2x-4y<8
This is what I did:
-4y<-2x+8
-4y/-4<-2x/-4+8/-4
y<1/2x-2
Is this right....please help!!
Click here to see answer by funmath(2933)

Question 51891: Graph 2x-4y<8
This is what I did:
-4y<-2x+8
-4y/-4<-2x/-4+8/-4
y<1/2x-2
Is this right....please help!!
Click here to see answer by tutorcecilia(2152)

Question 51906: sketch the graph of (x-2)^2+ (y+3)^2=25
Click here to see answer by funmath(2933)

Question 51987: I have the following problem; rewrite this equation as a funtion of x; the eqaution is -3x + 4 = 11. If I'm doing this right I get as far as y = -3x + 11 and then I get competely lost, could you please explain the next step to me. I know I'm forgetting an operation, but can't remember what. Thank You.
Click here to see answer by checkley71(8403)

Question 52028: please help me solve (x plus three over two equals three)

Click here to see answer by AnlytcPhil(1806)

Question 52074: write the verbal sentence as an equation or an inequality: One more than four times a number b is five
Click here to see answer by tutorcecilia(2152)

Question 52077: write the verbal sentence as an equation or an inequality: Eight more than a number y is greater than or equal to nine.
Click here to see answer by tutorcecilia(2152)

Question 52172: graph r(x) = !x-2! -1
! is absolute value
Click here to see answer by Nate(3500)

Question 52209: This is "solving equation and problems" "Transforming equations-multiplication and division".
1/2x=22

I read something about getting the reciprocal of 1/2 so i guess 2/1. i dunno. can some one help by explaining the WHOLE precess to me. I think these are fractions, bu it could be division. I feel so stupid. Thanks
Click here to see answer by josmiceli(19441)

Question 52225: Write the equation of the line with the following conditions.
slope = 1/3, passes through (-1,5) in standard form.

We do not have a text book. We are just given worksheets.
Click here to see answer by funmath(2933)

Question 52264: Solve for a if c=abx. and
solve for x: -3(x-5)=15
Click here to see answer by rchill(405)

Question 52310: How do I find the answer and graphing points for Y in the following equation
3x+3y=12
Click here to see answer by funmath(2933)

Question 52201: solve...5-9x >19+5x and 14x+9>13x-4 and last but not least w=p-21/2 solve for p...whoever will help me i highly appreciate it! Thank you
Click here to see answer by Earlsdon(6294)

Question 52332: For the equation , perform the following:(x) minus sqrt of (x) equals (0)
a) Solve for all values of x that satisfies the equation.

b) Graph the functions y=x and y= sqrt of (x) on the same graph (by plotting points if necessary). Show the points of intersection of these two graphs.
Click here to see answer by Nate(3500)

Question 52413: What are the intercepts of this equation?

Click here to see answer by stanbon(75887)

Question 52413: What are the intercepts of this equation?

Click here to see answer by Nate(3500)

Question 52462: f(x)=2/3x+6
g(x)=3/2x-9
determine whether f)x) and g(x) are inverses of each other
my ans. is yes am I right?
Click here to see answer by funmath(2933)

Question 52423: What is the point-slope equation for the line that contains these points?
The line contains the points (-3,4) and (2,5)
Click here to see answer by darq(90)

Question 52423: What is the point-slope equation for the line that contains these points?
The line contains the points (-3,4) and (2,5)
Click here to see answer by checkley71(8403)

Question 52242: graph y^2-x^2=1
Click here to see answer by darq(90)

Question 52496: x=-2, -1, 0, 1, 2
y=.25, .5, 1, 2, 4
Given the table above, graph the function, identify the graph of the function (line, parabola, hyperbola, or exponential), explain your choice, and give the domain and range as shown in the graph, and also the domain and range of the entire function.
Click here to see answer by Nate(3500)

Question 52506: How do I find all the asymptotes of G(x)=(x^3-1)/(x+x^2)?
Click here to see answer by stanbon(75887)

Question 52506: How do I find all the asymptotes of G(x)=(x^3-1)/(x+x^2)?
Click here to see answer by Nate(3500)

Question 52690: Y=3x-4 (-3, -5) determine whether the ordered pair is a solution of the given equation. Please help me with this question
Click here to see answer by funmath(2933)

Question 52742: Hi. My problem is with graphing the following equation:
f(x)=x^2
My teacher told me the f is the y of the problem. Plz help me. Thx in advance
Click here to see answer by atif.muhammad(135)

Question 52757: I have 2 problems that sort of come together. My first is f(x)=ln(-x)
When i input this into my ti83+ an error comes up saying nonreal ans.I have done f(x)=ln x (first part of problem i'm working)
my second problem is f(x)=sqrt(-x) ( i have done f(x)=sqrt x
Click here to see answer by rchill(405)

Question 52761: So there are my 2 problems
1) f(x)=sqrt(-x)
2)f(x)=ln(-x)
i tried doing them in the calculator (ti83+) but no luck
Click here to see answer by rchill(405)

Question 52928: wat is the slope of lines passing through the points (1,1) and (4,1)
Click here to see answer by smartness(7)

Question 52925: what is the slope of lines passing through (1,-1) and (3,5)
Click here to see answer by venugopalramana(3286)

Question 52897: I found the x and y intercepts but now i need the slope this is what i did so far...
Problem 5x+y=-10
5(0)+y=-10
so y=-10
Then I did this...
5x+y(0)=-10
5x/5=-10/5
so x=-2

Click here to see answer by rchill(405)

Question 52943: I have to graph this inequality y<_x+2 and then describe the location on the graph.Can you please help me?
Click here to see answer by rchill(405)

Question 52949: Find the slope and y-intercept of 2x - 3y = 6
Click here to see answer by rchill(405)

Question 52964: Find the slope and y-intercept of the line 2s - 3y = 6.
Click here to see answer by funmath(2933)

Question 52941: there is no provided about statistics. My problem is that I can't solve the questions of probability for ex. p(4)1/6. My name is Jeevanjot Singh, my e-mail address is jeevanjot@comcast.net
Click here to see answer by checkley71(8403)

Question 53118: My question has come from a worksheet, not the actual text book. I am having trouble because my notes say I need to put it into point slope form, but I don't see how.
Here is my question:
Find the equation of a line through (-7,2) and perpendicular to y=2x.
Click here to see answer by funmath(2933)

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