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

Algebra ->  Graphs -> Questions on Algebra: Graphs, graphing equations and inequalities answered by real tutors!      Log On


   



Tutors Answer Your Questions about Graphs (FREE)


Question 540539: Can you help me find the slope of temperature vs. resistance?
My x values are: 0,10,20,30,40,50,60,70,80 and my y values are: 0.45,0.50,0.60,0.70
I would be grateful for any help at all. Thank you

Click here to see answer by Alan3354(69443) About Me 

Question 540624: I have to make a graphic with this function:
F(x) = 5x + 2
Help me please, thank you.

Click here to see answer by Alan3354(69443) About Me 

Question 540630: I have to make a graphic with this equation:
F(x) = log(1/2,x)
Thank you.

Click here to see answer by Alan3354(69443) About Me 

Question 540669: Write the standard form of the equation of the line through the pair of points (-4,-8) (-8,3). Write the equation using only integer coefficients
Click here to see answer by mananth(16946) About Me 

Question 540737: 9x-17=19
Click here to see answer by mananth(16946) About Me 

Question 540738: What is the y intercept when given the equation y = -2/3(-4)-12?
Click here to see answer by josmiceli(19441) About Me 

Question 540774: I need more help-big shocker!
Given the points A(3, -6) and B(9, 2). Find the equation of the perpendicular bisector through the line segment AB.
Can someone please help me solve this, please show me the steps!
Thanks much!

Click here to see answer by stanbon(75887) About Me 

Question 541035: Determine the domain and range: y=5x squared +5.
Click here to see answer by jim_thompson5910(35256) About Me 

Question 541042: divide: 4x^-2x-2/x-1
Click here to see answer by oberobic(2304) About Me 

Question 541058: Hi! I need help with these problems. I don't know how to graph them. Can you help me? The equation is 2y-14=4, and the other one is -3x+4y-12=0
Click here to see answer by friesr(113) About Me 

Question 541076: how do you graph the equation y+x=14
Click here to see answer by oberobic(2304) About Me 

Question 541116: *Factor out the greatest common factor.
16y^5 - 24y^4 -40y^3
5a(a + 3b) + 4(a+3b)
*Factor
X^3 +8X^2 + 2x+16
2bc + 4b -5c-10
*Factor each polynomial
X^2 + 12X + 11
*Factor out the greatest common factor from the terms of the trinomial. Then factor the remaining trinomial.
2x + 30x +52

Click here to see answer by stanbon(75887) About Me 

Question 541221: I have to make a graph of this exponential function:
h(x) = (3/2)^x
The answer is supposed to be (-2,4/9), (0,1), (2,9/4).
I need the details of how each of these points are calculated.
Thank you.

Click here to see answer by stanbon(75887) About Me 

Question 541264: Please help me solve this equation -8<=2x—4<6
Click here to see answer by josmiceli(19441) About Me 

Question 541289: Find the ordered pairs for the x- and y- intercepts of the equation 4x + 2y = 16
Click here to see answer by friesr(113) About Me 

Question 541305: what does x equal if 2x^2=512
Click here to see answer by jim_thompson5910(35256) About Me 

Question 541368: how would you write an equation of a line in slope intercept form that goes through (-4,-1) and (-2,3)?

i already got the slope of 2 by 3+1 over -2+4 which equaled 4 over 2 which i reduced to 2

Click here to see answer by rfer(16322) About Me 

Question 541311: I have to make a graph of this parabola:
F(x) = x^2 -2x -15
I need the details of how each of the principals points are calculated.
Thank you.

Click here to see answer by josmiceli(19441) About Me 

Question 541533: Graph these following system of equations
3x – 4y = 32
5x + 2y = 10

Click here to see answer by oberobic(2304) About Me 

Question 541623: find the y intercept and x intercept for the equation 3x-6y=72 type in a ordered pair
Click here to see answer by friesr(113) About Me 

Question 542329: good evening,
I am in need of major help on this lesson.
Its asking me to find the slope of a line parallel to the graph of each equation.
#1. y=1/2x+ 2.3
And if you can , can you please in specific details tell me how you received that answer (:
Thank you so much for your time (:!

Click here to see answer by redjenna333(3) About Me 

Question 542544: what is the standard form of the line y=x-1?
Click here to see answer by stanbon(75887) About Me 
Question 542544: what is the standard form of the line y=x-1?
Click here to see answer by fcabanski(1391) About Me 

Question 542680: Determine the domain and range (image) of:
F(x) = ((-7) / (2 x - 5))
I want the answer and to get it too. Please
Thank you

Click here to see answer by stanbon(75887) About Me 

Question 542955: (6,-2) 3x-2y=14
5x - y = 32
Tell wheter the ordered pair is a solution of the gives system

Click here to see answer by friesr(113) About Me 

Question 542965: how do you graph a line with a given slope and intercept

Click here to see answer by Alan3354(69443) About Me 

Question 543271: what is the answer to 5(9+3)-3x4

Click here to see answer by lmeeks54(111) About Me 

Question 543676: How would you graph y=3x+2?
Click here to see answer by oberobic(2304) About Me 

Question 543680: The question on my homework asks to "graph each function rule"
1. y=2-x
I'm pretty sure you have to set up a table like x|y but im not sure.

PS: the topic selection thing isn't working right for me so i'm sooo sorry if it's in the wrong category.

Click here to see answer by rfer(16322) About Me 

Question 543918: What is a possible first step in eliminating a variable in the following system of equations?
4x + 5y = –23
3x + 10y = –14
Answer
Multiply the second equation by 2.
Multiply the first equation by –2.
Multiply the second equation by –2.
Multiply the first equation by 2.

Click here to see answer by stanbon(75887) About Me 

Question 543916: When using the substitution method, what expression for x in the second equation would be substituted in the first equation?
4x – 7y = –9
x + 3y = 12

Click here to see answer by stanbon(75887) About Me 

Question 544057: If f and g are linear functions such that g(f(x)) = 2x+ 6 and the graph of y = f(g(x)) passes through the origin what is the value of f(g(2011))?
Click here to see answer by stanbon(75887) About Me 

Question 544065: Axia College Material
Appendix F
Ticket Sales
Living in or near a metropolitan area has some advantages. Entertainment opportunities are almost endless in a major city. Events occur almost every night, from sporting events to the symphony. Tickets to these events are not available long and can often be modeled by quadratic equations.
Application Practice
Answer the following questions. Use Equation Editor to write mathematical expressions and equations. First, save this file to your hard drive by selecting Save As from the File menu. Click the white space below each question to maintain proper formatting.
1. Suppose you are an event coordinator for a large performance theater. One of the hottest new Broadway musicals has started to tour and your city is the first stop on the tour. You need to supply information about projected ticket sales to the box office manager. The box office manager uses this information to anticipate staffing needs until the tickets sell out. You provide the manager with a quadratic equation that models the expected number of ticket sales for each day x. ( is the day tickets go on sale).

a. Does the graph of this equation open up or down? How did you determine this?
The graph will open down because the coefficient of x^2 is negative.

b. Describe what happens to the tickets sales as time passes.
Over time the ticket sales will increase reach a peak then decrease
c. Use the quadratic equation to determine the last day that tickets will be sold.
Day 25
Note. Write your answer in terms of the number of days after ticket sales begin.

d. Will tickets peak or be at a low during the middle of the sale? How do you know?
The ticket sales will peak during the middle of the sale because the graph opens down looking like an upside down u.
e. After how many days will the peak or low occur? After about 12 days the ticket sales will peak

f. How many tickets will be sold on the day when the peak or low occurs?

g. What is the point of the vertex? How does this number relate to your answers in parts e. and f?

h. How many solutions are there to the equation ? How do you know?

i. What do the solutions represent? Is there a solution that does not make sense? If so, in what ways does the solution not make sense?

Click here to see answer by stanbon(75887) About Me 

Question 544134: Please help me help my kiddo with homework. Thanks!
Graph solution to system of inequalities
-x + y ≥ 0
-2x + y ≥ 3

Click here to see answer by lwsshak3(11628) About Me 

Question 544507: Can you show the graph of 3y-7x<-15 with work showing how you got that. Thank you
Click here to see answer by lwsshak3(11628) About Me 

Question 544491: For the equation y = 3x + 5 write the equation of the lines in slope intercept form that pass through point (-4,1) and are parallel and perpendicular to the given line.
Click here to see answer by mananth(16946) About Me 

Question 544123: How do you write an equation in slope intercept form for the line that passes through (3, 7) and (7, 4)?
Click here to see answer by JBarnum(2146) About Me 

Question 544619: Find the slope of the line.
45x-5y=3.4

Click here to see answer by friesr(113) About Me 

Question 544847: The problem I have is 4x – 3 = x – y. I need to graph this but I don't understand how to get there, teacher didn't cover an equation like this. I have tried subtracting x from both sides leaving 3x - 3 = -y but I don't see how you would get graph points from that. Could you please explain how I can solve this problem? I don't want just the answer, i'd like to know how to solve for future reference.
Again, graph 4x-3=x-y

Click here to see answer by saifoo.khan(162) About Me 
Question 544847: The problem I have is 4x – 3 = x – y. I need to graph this but I don't understand how to get there, teacher didn't cover an equation like this. I have tried subtracting x from both sides leaving 3x - 3 = -y but I don't see how you would get graph points from that. Could you please explain how I can solve this problem? I don't want just the answer, i'd like to know how to solve for future reference.
Again, graph 4x-3=x-y

Click here to see answer by rapaljer(4671) About Me 
Question 544847: The problem I have is 4x – 3 = x – y. I need to graph this but I don't understand how to get there, teacher didn't cover an equation like this. I have tried subtracting x from both sides leaving 3x - 3 = -y but I don't see how you would get graph points from that. Could you please explain how I can solve this problem? I don't want just the answer, i'd like to know how to solve for future reference.
Again, graph 4x-3=x-y

Click here to see answer by josmiceli(19441) About Me 

Question 544851: graph the linear equation
6x-3y=18

Click here to see answer by saifoo.khan(162) About Me 
Question 544851: graph the linear equation
6x-3y=18

Click here to see answer by rapaljer(4671) About Me 

Question 544862: How do you graph 3x + y = 9?
Click here to see answer by saifoo.khan(162) About Me 
Question 544862: How do you graph 3x + y = 9?
Click here to see answer by rapaljer(4671) About Me 

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