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

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Question 90529: Hello,
My question is:
What is the equation that contains these two points? (-3,8) and (4,-2)???
Please help. Thanks!
Click here to see answer by jim_thompson5910(35256) About Me 
Question 90530: A line that is perpendicular to this equation would have what slope? Y=0.2X-3

Anyone know the answer? Please help.
Thank you!!!!!
Click here to see answer by jim_thompson5910(35256) About Me 
Question 90507: Find the slope of the line passing through the points (0, –3) and (7, –5)
thank you for your help
Click here to see answer by jim_thompson5910(35256) About Me 
Question 90487: Solve the system by graphing.
x + y = 4
–x + y = 2
Click here to see answer by jim_thompson5910(35256) About Me 
Question 90480: Graph the inequality.
2x + 3y > 6
Click here to see answer by jim_thompson5910(35256) About Me 
Question 90486: Solve the system by graphing.
x – y = 5
x + y = 3
Click here to see answer by jim_thompson5910(35256) About Me 
Question 90509: A roof rises 7.5 ft over a horizontal distance of 12.27 ft. What is the slope of the roof to the nearest hundredth?
thank you for your help
Click here to see answer by checkley75(3666) About Me 
Question 90433: Solve the system by graphing.
3x + y = 6
3x – y = 0
Click here to see answer by checkley75(3666) About Me 
Question 90428: Solve the system by graphing.
2x + y = 4
x + y = 3
Click here to see answer by checkley75(3666) About Me 
Question 90598: One more that I cannot get even with working on it for 2 days!
an airplane covered 13 miles of its route while decreasing its altitude by 18,000 ft. Find the slope of the airplane's line of descent. Round to the nearest hundredth. (Hint: 1 mi = 5280 Ft)
Click here to see answer by stanbon(75887) About Me 
Question 90598: One more that I cannot get even with working on it for 2 days!
an airplane covered 13 miles of its route while decreasing its altitude by 18,000 ft. Find the slope of the airplane's line of descent. Round to the nearest hundredth. (Hint: 1 mi = 5280 Ft)
Click here to see answer by Earlsdon(6294) About Me 
Question 90597: I cannot wrap my brain around this for some reason.
A roof rises 7.25 ft over a horizontal distance of 16.62 ft. What is the slope of the roof to the nearest hundredth?
Click here to see answer by stanbon(75887) About Me 
Question 90678: Graph f(x) = –2x + 2
Click here to see answer by jim_thompson5910(35256) About Me 
Question 90677: Graph f(x) = –3x – 2
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Question 90676: Graph f(x) = –x – 2
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Question 90675: Graph f(x) = –2x + 4
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Question 90674: Graph f(x) = 4x + 1
Click here to see answer by jim_thompson5910(35256) About Me 
Question 90679: Solve the system by graphing.
4x + 2y = 10
y = 4
Click here to see answer by Edwin McCravy(20054) About Me 
Question 90575: Please solve and graph the following solution sets of inequalities. Thank you! I have been sitting here for the longest trying to figure them out.
1.) 3x > 2x - 4

2.) 7(x - 3) > 5x - 14 Is this correct? 7.(x - 3) > 5x - 14
Click here to see answer by vertciel(183) About Me 
Question 90701: Given m = -2 and the y-intercept =3, given me an equation in the slope intercept format
Click here to see answer by checkley75(3666) About Me 
Question 90700: Given the following two points, (-4, -2) & (-1, -5), develop an equation in the slope-intercept format
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Question 90697: Given one point on the graph (-3, -5) and the slope m = -2, develop an equation in the slope-intercept format.
Click here to see answer by checkley75(3666) About Me 
Question 89927: This is from a worksheet: Solve the inequality:
8x - 9 (divided by -4) < - 23 (divided by 8)
Click here to see answer by bucky(2189) About Me 
Question 90784: Solve the system by graphing.
3x – y = 1
3x – y = 2
Click here to see answer by praseenakos@yahoo.com(507) About Me 
Question 90773: Explain how the graph of y-5=(x-3)squared can be obtained from the graph of y=x squared.
Click here to see answer by stanbon(75887) About Me 
Question 90785: Solve the system by graphing.
x + 2y = 4
x + 2y = –2
Click here to see answer by praseenakos@yahoo.com(507) About Me 
Question 90783: Solve the system by graphing.
x + y = 3
x + y = –1

Click here to see answer by praseenakos@yahoo.com(507) About Me 
Question 90781: Solve the system by graphing.
4x + 2y = 10
y = 4
Click here to see answer by praseenakos@yahoo.com(507) About Me 
Question 90804: What is the answer to this problem when you multiply
7w(2w - 3)(2w + 3) What is the process for solving this problem?

Thank you.
Click here to see answer by malakumar_kos@yahoo.com(315) About Me 
Question 90812: I have to multiply using the vertical method. Can I get some assistance and somebody to explain how the process is done?
(2r - 3s)( 4r^2 + 6rs + 9s^2)
Thanks.
Click here to see answer by malakumar_kos@yahoo.com(315) About Me 
Question 90788: Identify the axis of symmetry, find the x-intercepts, create a suitable table of values, and then sketch the graph (including the axis of symmetry).
y = x^2 – 4x
Click here to see answer by malakumar_kos@yahoo.com(315) About Me 
Question 90779: Solve the system by graphing.
x – 2y = 8
x + y = –1
Click here to see answer by malakumar_kos@yahoo.com(315) About Me 
Question 90778: Solve the system by graphing.
2x + y = 4
x + y = 3
Click here to see answer by malakumar_kos@yahoo.com(315) About Me 
Question 90721: Graph f(x) = –2x + 2
Click here to see answer by praseenakos@yahoo.com(507) About Me 
Question 88789: Sketch the graph of the hyperbola y^2/25- x^2/4= 1. Draw the fundamental rectangle. Find the equations of the asymptotes and label the asymptotes on your graph.
Click here to see answer by Nate(3500) About Me 
Question 90854: Graph F(x) =x/x+3
Click here to see answer by stanbon(75887) About Me 
Question 90833: Write the equation of the line with slope 4 and y-intercept (0, –5). Then graph the line
Click here to see answer by praseenakos@yahoo.com(507) About Me 
Question 90830: Solve the system by substitution.
x + y = 12
y = 2x
Click here to see answer by checkley75(3666) About Me 
Question 90835: Write the equation of the line with slope -1/2 (fraction) and y-intercept (0, 3). Then graph the line.
Click here to see answer by malakumar_kos@yahoo.com(315) About Me 
Question 90831: Solve the system by substitution.
3x – y = –7
x + y = –9
Click here to see answer by malakumar_kos@yahoo.com(315) About Me 
Question 90829: Solve the system by addition.
5x – 3y = 13
4x – 3y = 11
Click here to see answer by malakumar_kos@yahoo.com(315) About Me 
Question 90828: Solve the system by graphing.
3x + y = –1
9x + 3y = –3
Click here to see answer by malakumar_kos@yahoo.com(315) About Me 
Question 90827: Solve the system by graphing.
2x + 4y = 2
x + 2y = 1
Click here to see answer by malakumar_kos@yahoo.com(315) About Me 
Question 90826: Solve the system by graphing.
4x + 4y = 4
x + y = 1
Click here to see answer by malakumar_kos@yahoo.com(315) About Me 
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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, 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