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

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Question 997670: Find the slope of r so the line passes through each pair of points has the given slope.
(-3,-4),(-5,r),m=-9/2
Click here to see answer by josgarithmetic(39617)

Question 997681: Containing the points (-3,4) and (2,5) find an equation for the line and put it in slope-intercept form

Click here to see answer by josgarithmetic(39617)

Question 997842: The graph of the function h is shown below. What is the value of h(6)?
link of graph :
http://prntscr.com/8tfn2e
please help me .. thank you !
Click here to see answer by Alan3354(69443)

Question 997838: The graph of the function k is shown below. What is the value of k(6)?
Link of the graph : http://prntscr.com/8tfhy9
thank you
Click here to see answer by Alan3354(69443)

Question 997966: Write an equation that passes through (3,1), (0,10)
Click here to see answer by josgarithmetic(39617)

Question 998031: put the following equation in a slope intercept from y-2=1.5(x-4)
Click here to see answer by josmiceli(19441)

Question 998110: Find the equation of the line that contains the point
P(4, 3)
and is parallel to the graph of
5x + y = −3.

Click here to see answer by Alan3354(69443)

Question 998110: Find the equation of the line that contains the point
P(4, 3)
and is parallel to the graph of
5x + y = −3.

Click here to see answer by fractalier(6550)

Question 998203: The demand equation for a certain product is given by p=108-0.001x, where p is the unit price(in dollars) of the product and x is the number of units produced and sold. The cost equation for the product is C=85x+150,000, where C is the total cost(in dollars) and x is the number of products produced and sold. The revenue equation for the product is R = xp, where R is the total revenue(in dallars), p is the unit price (in dallars), and x is number of products produced and sold.
1. what is maximum profit P?
2. what is the unit price p that produces the maximum profit P?
3.if a pfofit of 9 million is possible, what is unit price P?
if a profit of 9 milloin is not possible, explain why?
4. what is the minimum unit rice P that can be used so that the company does not lose money?
Click here to see answer by solver91311(24713)

Question 998238: can someone please help me solve this>>>> (-1,2),y=1/2x-3
Click here to see answer by Alan3354(69443)

Question 998325: Graph the line through (-3,4) with slope of -1/2
Click here to see answer by Alan3354(69443)

Question 998403: How do I solve a system by graphing? (for example- y=-x+3) and (y=4x-2)
Click here to see answer by Alan3354(69443)

Question 998406: Find the equation of the line with a slope of 1- containing g the point (-6, -2)
Click here to see answer by Alan3354(69443)

Question 998420: 2s(s-4)
Click here to see answer by fractalier(6550)

Question 998460: What is the slope of y=5x
Click here to see answer by Boreal(15235)

Question 998515: State the domain and range of each relation and whether it is a function
{(3,2),(3,3),(3,4),(3,5),(3,6)}
Click here to see answer by Fombitz(32388)

Question 998511: State whether each set represents a relation
{3,4,7,9}
Click here to see answer by fractalier(6550)

Question 998513: Write a mapping diagram of each relation and state whether it is a function
{(-6,-5),(-3,4),(1,7),(4,-3)}
Click here to see answer by fractalier(6550)

Question 998514: Write a mapping diagram of each relation and state whether it is a function
{(4/8,2/5),(4/7,8/9),(4/3,3/8)}
Click here to see answer by fractalier(6550)

Question 998573: Consider the function h whose graph is shown below. What is the domain of the function? What is the range of the function?
Please copy and paste the link below to see the graph please. thank you.
http://prntscr.com/8uif93
thanks!

Click here to see answer by fractalier(6550)

Question 998806: I need help with everything that is about direct variation. example when they give you find x when y=50 when x=2 and y=200 I know for some you gotta use this form y1/(x1)2 = y1/(x2)2 and the other is just with out (2)
Click here to see answer by josgarithmetic(39617)

Question 998737: In order for the drama club to cover expenses of producing a play,at least $1500 worth of tickets must be sold. Adults are $10 and students are $6.
1) use a model to write an inequality that represents this situation. Let x represent # of adults and y # of students.
2) graph the inequality

Click here to see answer by mananth(16946)

Question 998829: How do u turn x-2Y=3 into slope intercept form
Click here to see answer by stanbon(75887)

Question 998961: y-5x=2 how do I graph this?
Click here to see answer by stanbon(75887)

Question 999007: Ax+By=C
M=7, (3,3)

Click here to see answer by josgarithmetic(39617)

Question 999133: Y=-3x^2+6+3
Click here to see answer by Alan3354(69443)

Question 999133: Y=-3x^2+6+3
Click here to see answer by Boreal(15235)

Question 999199: You have 2 part time jobs working at a grocery store and at a clothing store. you earn $7.65 per hour at the grocery store and $8.50 per hour at the clothing store for the week , you earn $229.50.
1) write an equation in standard form that models your earnings. my answer is 7.65X + 8.50Y =229.50
2) write an equation in slop-intercept form that medels your earnings.
3) graph the equations that model your earnings. which equation did you use to sketch your graph?
Click here to see answer by josgarithmetic(39617)

Question 999283: Find the distance between the following pairs of points: A(6, 3) and B(11, 15)
Click here to see answer by mananth(16946)

Question 999340: Hello,
I need help with this question, it says: Find the discriminant of sqrt((-12)^2 - 4 * 9 * 3), identify the number of the solutions and their types. Graph the possible quadratic function.
I ended up with +6 and -6 but I have no idea where to go from there or how to graph it. Do I plug in -b and complete the quadratic function or what??
Help me please!
Click here to see answer by MathLover1(20849)

Question 999357: passes through the point (1,-7) and is parallel to the line y=-2x+6
Click here to see answer by fractalier(6550)

Question 999352: how to draw the graph of x^2+y^2=1
Click here to see answer by fractalier(6550)

Question 999352: how to draw the graph of x^2+y^2=1
Click here to see answer by MathLover1(20849)

Question 999349:
Click here to see answer by fractalier(6550)

Question 999287: Make a table of ordered pairs and graph each function. then state the function's domain and range
{(x,f(x)) | f(x) = -x - 4}
Click here to see answer by josgarithmetic(39617)

Question 999387: i need help finding the slopes to graphs
please im having a really hard time
Click here to see answer by fractalier(6550)

Question 999410: which notation is expressed in interval notatior x is <=-2
Click here to see answer by jim_thompson5910(35256)

Question 999414: which graph is the graph of the solution set of the inequality x-4>2
Click here to see answer by jim_thompson5910(35256)

Question 999454: Marie scored 95, 86, and 89 on three science tests. She wants her average score for 6 tests to be at least 90. What inequality can you write to find the average scores she can get on her nest three tests to meet this goal? Use s to represent the lowest average score.
Click here to see answer by solver91311(24713)

Question 999704: y=-7x+3 . How do you slove this problem,?😕😕😕
Click here to see answer by Fombitz(32388)

Question 999727: How to graph the function 12-x-2y=0
Click here to see answer by Alan3354(69443)

Question 999727: How to graph the function 12-x-2y=0
Click here to see answer by Boreal(15235)

Question 999742: Determine the cubic equation that has zeros at 4,3 and -2, if f(2)=-4.
Work I have done so far:
x-4=0, x-3=0, x+2=0
(x-4)(x-3)(x+2)=0
Help would be greatly appreciated, thanks! :)
Click here to see answer by stanbon(75887)

Question 999737: how can you do slope do you subtract than divide
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