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

Tutors Answer Your Questions about Graphs (FREE)

Question 825301: Graph the function y=1/2x-5 with the domain x not equal or equal 4. Then identify the range of the function.
Click here to see answer by jsmallt9(3758)

Question 825347: What has a slope of -6 and a y intercept of 5

Click here to see answer by ankor@dixie-net.com(22740)

Question 825553: solve each compound inequality and graph its solution
-20<-5a<-5
Click here to see answer by josgarithmetic(39617)

Question 825669: Graph the rational equation
a. What do you notice about the graph at x = 5?
b. Use the graph to estimate the limit as x approaches 5.
c. What do you think is the correlation between a graph and a limit?

Click here to see answer by Edwin McCravy(20054)

Question 826054: consider the inequality 6x + y < p. What must be true about the value of p in order for the origin to be part of the solution?
a) p ≥ 0 b) p > 0

c) p ≤ 0 d) p < 0

Click here to see answer by KMST(5328)

Question 826497: Find the values of x which satisfy both inequalities
[-3, 8] and [ 4, 12]

Click here to see answer by josgarithmetic(39617)

Question 826587: The percent of children3 and 4 are enrolled in nursery school has decreased from 54.5% in 2007 to 52.4% in 2009.

.
A) find an equation for the line containing the given data points. Let X represent the # of yrs after 2000 and Let Y represent the percent of children ages 3 and 4 who are enrolled in nursery school

.
estimate the % of children ages 3 and 4 enrolled in nursery school in 2008 and in 2012
Click here to see answer by josgarithmetic(39617)

Question 826641: Solve for y
What is the constant variation in the equation
5x + 3y = 0
I thought my answer would be 5/3, but I'm not sure how I got that answer
Click here to see answer by MathLover1(20849)

Question 826788: I am confused. Want to make sure did it correct b/-12 less than 3
I came up with b equals -36
Thank you in advance. Brett
Click here to see answer by stanbon(75887)

Question 826717: Hey its my first time using this site. I'm trying to do some homework but I need to know the format. Please help me by solving the inequality and graphing the solution:
Click here to see answer by KMST(5328)

Question 826897: what equation of the line is perpendicual to the the graph 6x+3y=8 and through the points (3,-4)
Click here to see answer by josgarithmetic(39617)

Question 827059: How do we graph the system 2x + 2y = 4 AND 12 - 3x = 3y? Need to determine if there is 1 solution, Infinite solutions, or No solution. Thanks!
Click here to see answer by TimothyLamb(4379)

Question 827104: If (1/2,-2) is the midpoint of segment QP and the coordinates of P are (-3/2, 1), find the coordinates of Q.
Click here to see answer by josgarithmetic(39617)

Question 827288: The value of the discriminant for the equation below is 33.
2x^2+5x-1=0
What does the value of the discriminant mean for this equation?

A. The equation has 1 real, rational root.
B. The equation has 2 real, rational roots.
C. The equation has 1 real, irrational root.
D. The equation has 2 real, irrational roots.
Click here to see answer by richwmiller(17219)

Question 827007: Graph the line with slope 3/4 passing through the point (3,-4) .
Click here to see answer by LinnW(1048)

Question 827466: Mr Flowers is on a restricted diet that allows him to have between 1600 and 2000 calories per day. His daily fat intake is restricted to between 45 and 55 grams. What daily calorie and fat intake are acceptable? Graph the solution set. List three possible solutions to the problem.
I can't seem to figure out the two inequalities I need in order to graph.
This is system of inequalities so we are also supposed to shade which I can't understand.
Click here to see answer by KMST(5328)

Question 827544: Solve the system using substitution.
x + 6z = -45
5x + 3y - 2z = -33
y + 4z = -24
I think i keep messing up the first step because when im finished i get
x=-9, y=8, z=-6, but it doesnt work when pluging it back in
Click here to see answer by TimothyLamb(4379)

Question 827550: Solve the system, if possible. (If the system is inconsistent, enter INCONSISTENT. If the system is dependent, enter DEPENDENT.)
2x + 2y + 3z = 20
3x + y - z = 0
x + y + 2z = 12
Click here to see answer by TimothyLamb(4379)

Question 827564: Find an equation of the line that passes through the given point and is perpendicular to the given line. Write the equation in slope-intercept form.
(8, -4)
5x = 7y - 6
Click here to see answer by TimothyLamb(4379)

Question 827569: Write an equation for the circle that satisfies each set of conditions

endpoints of a diameter at (-2,-9) and (0,-5)
Click here to see answer by josgarithmetic(39617)

Question 828174: 1.) A rocket is 1 mile above the earth 30 seconds after lifting off. The rocket is 5 miles above the earth after 2.5 minutes.
a) Write an equation that represents this situation.
b) What does the slope represent in this situation? The y-intercept?
P.S. Could you also show me how you got the answers? Thanks!
Click here to see answer by KMST(5328)

Question 828283: The roof of a lean-to-garden shed has a gradient of 0.35.find the height....they have given the base as 1.5m and a shorter height 1.8m its like a house
Click here to see answer by stanbon(75887)

Question 828323: Write the equation of the line in slope-intercept form, given the following information.
15. y-9=1/2(x+6)
16. the line passes through the points P and Q. P(11,8) Q(-1,8)
Click here to see answer by Edwin McCravy(20054)

Question 828628: What is the slope of the line tangent to the curve at a given value of x?
f(x)= 8x^2 + 5x at x= 3
Click here to see answer by TimothyLamb(4379)

Question 828660: solve the system of equations by graphing u=v; 9u=3v-36
Click here to see answer by TimothyLamb(4379)

Question 828697: Solve the system of equations b graphing x=-y;x+y=1
Click here to see answer by TimothyLamb(4379)

Question 828699: which line is the graph of y=2x+4?
Click here to see answer by Alan3354(69443)

Question 828700: Solve the system of equations by graphing x=-y;x+y=1
Click here to see answer by TimothyLamb(4379)

Question 828703: Solve the system of equations by graphing a=1/2b+4;a-4b=-17
Click here to see answer by TimothyLamb(4379)

Question 828709: Solve the system of equations by graphing a=1/2b+4;a-3b=-6
Click here to see answer by TimothyLamb(4379)

Question 828635: Solve the inequality. Then graph your solution.
10 < -2x OR 2x ≥ 0
Click here to see answer by math-vortex(648)

Question 828805: Hello, i do not understand how to graph inequalities. Example:
-2x+y≥-4
Click here to see answer by richwmiller(17219)

Question 828962: Nelly made a circle graph to represent her day of 24 hours. If she works for 8 hours, how many
degrees is the sector that represents her work?
Click here to see answer by Fombitz(32388)

Question 828981: What is xintersect when f(x)-3/4x+12 and how

Click here to see answer by Fombitz(32388)

Question 829062: My math teacher assigned us a review homework sheet, and I cannot remember how to "Solve For K" in standard form. Is there any way you can help me?
Click here to see answer by stanbon(75887)

Question 829081: Hey , i have a question .
when doing inequality
1/2+x+11/4+> 5/12
how do i do it with the fractions.?
Click here to see answer by Fombitz(32388)

Question 829208: Please help me solve this equation
Click here to see answer by Alan3354(69443)

Question 829234: can you solve y=2x+1
Click here to see answer by Alan3354(69443)

Question 829263: for the given equation, find the slope of the y-intercept. use these to graph the equation 5x+3y=6
I ended up with
y=(-5/11)x-6
I don't know how to graph it. Did I get it nearly right?
Click here to see answer by reviewermath(1029)

Question 829412: Which is a solution of the equation?
2x � y = 0
A 3
B (2, �4)
C (1, 2)
D (3, �1)
Click here to see answer by oscargut(2103)

Question 829512: Graph the solution to the following inequality on the number line.
x^2+4x<12
Click here to see answer by Fombitz(32388)

Question 829550: Complete the ordered pair so that it is a solution of of 2/3x + y -1 = 0
(-6, _)
Click here to see answer by oscargut(2103)

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