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

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Question 120231: how do you solve/graph 2x - 7 = 0
Click here to see answer by bucky(2189) About Me 

Question 120126: Two points are shown below.
Find the slope of the line through the given points.

(2,4), (6, -3)

Click here to see answer by checkley71(8403) About Me 
Question 120126: Two points are shown below.
Find the slope of the line through the given points.

(2,4), (6, -3)

Click here to see answer by gardner.gabriel(1) About Me 

Question 120265: Find the distance (10,0) and (-6,0).
Click here to see answer by checkley71(8403) About Me 
Question 120265: Find the distance (10,0) and (-6,0).
Click here to see answer by stanbon(75887) About Me 

Question 120276: If f(x)=5x-1
find
f(a-2)

Click here to see answer by MathLover1(20849) About Me 

Question 120275: If f(x)=4x-3
find
f(-1)

Click here to see answer by MathLover1(20849) About Me 

Question 120273: GRAPH THE FUNCTIONS
F(X)=-2X-5
Thanks

Click here to see answer by MathLover1(20849) About Me 

Question 120279: Find the slope of the following two lines:
I don't know how to do graphs so I will just explain what they look like first graph is runs horizontal on the y=-2 and the second graph runs vertical on the x=-3 the are both lines that run along that line and does not vary. are those my slopes? I am confused about this question.

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

Question 120280: Graph the inequality: 3x+2y>6
Click here to see answer by stanbon(75887) About Me 

Question 120282: The national cost C in billions of dollars for dental services can be modeled by the linear equation C=2.85n +30.52 where n is the number of years since 1990. A)Find and interpret the C-intercept for the line B)Find and interpret the n-intercept for the line C) Graph the line for n ranging from 0 through 20 D) If this trend continues, then in what year will the cost of dental services reach 100 billion?

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

Question 120288: Graph the following line: y=((5x)/3)-3
I need at least three points so if someone can explain everything about this I would really appreciate it. Thanks

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

Question 120284: Graph the inequality y<-3x+2
(side note) if you can give me at least 3 points and explain how you got them I would really appreciate it

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

Question 120297: I understand everything with these graphs where the dotted lines goes and such, but I am stuck on how and where to shade them. So if someone can please explain in detail where to shade and how to shade I would greatly appreciate it..
Graph the inequality:
here is the first graph.
y<-3x+2
This is the second graph.
3x+2y>6

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

Question 120351: Graph the following system:
3x-5y=-9
5x-6y=-8
and
4x+5y=-2
4y-x+11

Click here to see answer by jim_thompson5910(35256) About Me 

Question 120364: solve the system of equations using the substitution mehtod
3x+y=2
2x-y=3

Click here to see answer by jim_thompson5910(35256) About Me 

Question 120500: How would I write and graph an equation with slope -2 and y-intercept (0,0)?
Click here to see answer by stanbon(75887) About Me 

Question 120503: I am having a problem with the equation to find the slope, if it exists, of a line. The equation is 6x=24+y. Thank you in advance for your help. My homework is online so I do not have a ISBN no for a book
Click here to see answer by solver91311(24713) About Me 

Question 120502: How do I determine which two equations represent perpendicular lines? (a) y = 4/7x - 3 (b) y = 3x -4/7 (c) y = -1/3x + 4/7 (d) y = 1/3x - 4/7?
Click here to see answer by tutor_paul(519) About Me 

Question 120501: How do I find the y-intercept for -x + 3y = 15?
Click here to see answer by tutor_paul(519) About Me 
Question 120501: How do I find the y-intercept for -x + 3y = 15?
Click here to see answer by bucky(2189) About Me 

Question 120520: How would I write the equation of the line passing through (4,4) and (4,2)?
Click here to see answer by jim_thompson5910(35256) About Me 

Question 120521: How would I write the equation of the line which has y-intercept (0,5) and is perpendicular to the line with equation y = -3x + 1?
Click here to see answer by jim_thompson5910(35256) About Me 
Question 120521: How would I write the equation of the line which has y-intercept (0,5) and is perpendicular to the line with equation y = -3x + 1?
Click here to see answer by tutor_paul(519) About Me 

Question 120499: How do I determine which two equations represent parallel lines? (a) y = 5/3x + 4 (b) y = 3/5x - 7 (c) y = 2x + 8 (d) y = 2x - 4??
Click here to see answer by bucky(2189) About Me 

Question 120522: If a roof rises 9.75 ft over a horizontal distance of 17.24 ft, how would I find the slope of the roof to the nearest hundredth?
Click here to see answer by tutor_paul(519) About Me 

Question 120523: Given f(x) = 5x^ - 3x + 1, how would I find f(-2)?
Click here to see answer by jim_thompson5910(35256) About Me 
Question 120523: Given f(x) = 5x^ - 3x + 1, how would I find f(-2)?
Click here to see answer by tutor_paul(519) About Me 

Question 120525: How would I rewrite the equation 2x - 3y = -6 as a function of x?
Click here to see answer by jim_thompson5910(35256) About Me 

Question 120530: How would I graph the inequality y > or = to 1?
Click here to see answer by jim_thompson5910(35256) About Me 

Question 120545: How would I graph the inequality x - y > or = to 2?
Click here to see answer by jim_thompson5910(35256) About Me 

Question 120544: How would I find the slope of the line through points (15,1) and (4,2)?
Click here to see answer by jim_thompson5910(35256) About Me 
Question 120544: How would I find the slope of the line through points (15,1) and (4,2)?
Click here to see answer by solver91311(24713) About Me 

Question 120548: How do I rewrite the equation 4x - 6y = -30 as a function of x?
Click here to see answer by solver91311(24713) About Me 

Question 120549: How do I write the equation of the line passing through (3,-7) and (-6,-7)?
Click here to see answer by jim_thompson5910(35256) About Me 

Question 120524: How would I find the slope and y-intercept of x = -8?
Click here to see answer by solver91311(24713) About Me 

Question 120578: How do I write the equation of the line that passes through point (-2,3) with a slope of -4?
Click here to see answer by broadway(2) About Me 

Question 120588: How would I graph the following equations: (a) y = 1/3x + 1 (b) y = -3x + 1 (c) y = 3x + 1 (d) y = -1/3x + 1?
Click here to see answer by solver91311(24713) About Me 

Question 120665: (4, -5) & (-2, -7)
Click here to see answer by rapaljer(4671) About Me 

Question 120693: i am having trouble solving problems similar to this: Write an equation of the line that passes throuhg the given point and is parallel to the given line.
(4,5),y=x+6. I would much appreciate your help with this problem and an explanation if its not too much trouble.
Thank you
Mike 13y.o.

Click here to see answer by jim_thompson5910(35256) About Me 
Question 120693: i am having trouble solving problems similar to this: Write an equation of the line that passes throuhg the given point and is parallel to the given line.
(4,5),y=x+6. I would much appreciate your help with this problem and an explanation if its not too much trouble.
Thank you
Mike 13y.o.

Click here to see answer by B-Rod33(7) About Me 
Question 120693: i am having trouble solving problems similar to this: Write an equation of the line that passes throuhg the given point and is parallel to the given line.
(4,5),y=x+6. I would much appreciate your help with this problem and an explanation if its not too much trouble.
Thank you
Mike 13y.o.

Click here to see answer by nabla(475) About Me 

Question 120472: find the distance between (10,0)and (-6,0).
Click here to see answer by nabla(475) About Me 

Question 120734: How do you graph y = 6/5x-4?
Click here to see answer by jim_thompson5910(35256) About Me 

Question 120715: x > -4x + 15
Click here to see answer by rapaljer(4671) About Me 

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