Questions on Algebra: Coordinate systems, graph plotting, etc answered by real tutors!

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Tutors Answer Your Questions about Coordinate-system (FREE)


Question 62710: Solve the system by addition.
5x – 3y = 13
4x – 3y = 11

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Question 63025This question is from textbook An Incremental Development
: please help!
Graph x = 3 and 3x - 4y = 12 on a rectangular coordinate system
This question is from textbook An Incremental Development

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Question 63097: Find the equation of the line passing through the point (-1,6) and parallel to the line -2x+y=9 and B) perpendicular to the line -2x+y=9
thank you

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Question 62713: Solve the following system of linear inequalities by graphing.
x + 2y  3
2x – 3y  6
Both equations are less than or equal to.

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Question 62714: Solve the following system of linear inequalities by graphing.
x – 2y  4
x  4
The first equation is greater than or equal to 4 and the second is less than or equal to 4.

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Question 63143: i have a really confusing question on my homework. it says find an equation of the line passing through the point (-5,2) with slope m=-4. if you could please help me out that would be great!
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Question 63167: find an equation of the circle centered at (6,-5) and passing through (1,7)
thank you

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Question 63116: Please explain to me how to graph the line: x=-4, and also how to graph the line: y=2
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Question 63285: parallel to 2x+3y= -1 containing (4,5)
perpendicular to 2x+3y= -1 containing (3,2)

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Question 63436: can you please help me find the domain, range, intercepts and asymptotes for the function, f(x)=(3/(x+2))
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Question 63568This question is from textbook mathematic in action
: solve for y: x=y-2
--------
3

thank you for your help this problem is not from my book its a hand out
This question is from textbook mathematic in action

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Question 63593This question is from textbook Introductory algebra
: How do I convert to slope intercept form to graph? I know that y=mx+b but in the example Y=X-6 how would I go about this?
y=x-6 as I am at a total loss.
This question is from textbook Introductory algebra

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Question 63532: If the line containing the points (-8,m) and (2,1) is parallel to the line containing the points (11,-1) and (7,m+1), what is the value of m?
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Question 64168This question is from textbook
: The distance traveled by a truck at a constant speed varies directly with the length of time it travels. If the truck travels 168 miles in 4 hours, how far will it travel in 7 hours?This question is from textbook

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Question 64377This question is from textbook An Incremental Development
: Find the distance between (-5, -2) and (4, -3)This question is from textbook An Incremental Development

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Question 64743: 6n2+17n+7
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Question 64902This question is from textbook ALgebra 1
: Desribe the possible locations, in terms of quadrants or axes, for the graph of (x,y) if x and y satisfy the given conditions.
a. xy>0 b. xy<0 c. xy=0
This question is from textbook ALgebra 1

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Question 65070: What is a point that goes through the line y=2/3x+3
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Question 65070: What is a point that goes through the line y=2/3x+3
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Question 65235: Does the plotting graph have x and y points on them.

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Question 65381: I am having troubles with this one, could you please help?
What is the y and x-intercept of the line 2y=3x-6?
Thanks,
Lackinmath

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Question 63723: I need to graph a pencil of lines described by y = mx + 3m - 2. Can you help me?

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Question 65861: Why are variables useful in algebra?
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Question 65944: Which of the following is an equation of the line perpendicular to 3x+6y=12 and passing through (4,0)?
Answer Choices:
A) y=-1/2x+2
B) y=1/2x-2
C) y=-2x+8
D) y=2x-8

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Question 65944: Which of the following is an equation of the line perpendicular to 3x+6y=12 and passing through (4,0)?
Answer Choices:
A) y=-1/2x+2
B) y=1/2x-2
C) y=-2x+8
D) y=2x-8

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Question 66015: I need to know some history on the coordinate system such as where it orginated,and who came up with the idea, or anyhting that would be useful.
Thank you.

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Question 65928: Please help me solve this system:
I have tried this so far:
y=1/3(3y+6)
y=y+2
I think this is the wrong way to solve this system by substituting.

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Question 66140: can someone please help me. I don't know what to even do the table i have to use is in the bottom.
What was the percentage increase in motor vehicle production in countries outside the United States from 1950 to 1977?
Between 1950 and 1997, did the production of motor vehicles increase by a greater percentage in Canada or Europe?
The table that i have to use says the following?
World Motor Vehicle Production, 1950–1997
Production (in thousands)
Year United States Canada Europe Japan Other World Total
1997 12,119 2,571 17,773 10,975 10,024 53,463
1996 11,799 2,397 17,550 10,346 9,241 51,332
1995 11,985 2,408 17,045 10,196 8,349 49,983
1994 12,263 2,321 16,195 10,554 8,167 49,500
1993 10,898 2,246 15,208 11,228 7,205 46,785
1992 9,729 1,961 17,628 12,499 6,269 48,088
1991 8,811 1,888 17,804 13,245 5,180 46,928
1990 9,783 1,928 18,866 13,487 4,496 48,554
1985 11,653 1,933 16,113 12,271 2,939 44,909
1980 8,010 1,324 15,496 11,043 2,692 38,565
1970 8,284 1,160 13,049 5,289 1,637 29,419
1960 7,905 398 6,837 482 866 16,488
1950 8,006 388 1,991 32 160 10,577

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Question 66581: solve for x if y=0 in the following equation: 4x(4) - 6x(3) + 9x(2) - 8x - 3 = y.
The number in parenthesis is the power of x. I'm not sure I have the correct category...Thank you for your assistance.

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Question 66627: what is a real-life situation that follwos a linear equation, withthe independent variables being years. What would the slope say about the future years.
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Question 66388: SOLVE THIS PROBLEM WITH A COORDINATE GRAPH X+Y=2
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Question 67245This question is from textbook algebra 1
: How to pot graphs when doing slopes.....for example.......y=3/4x+3This question is from textbook algebra 1

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Question 67333: Business and finance. The revenue for a sandwich shop is directly proportional
to its advertising budget. When the owner spent $2000 a month on advertising, the
revenue was $120,000. If the revenue is now $180,000, how much is the owner
spending on advertising?

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Question 67349: An employee who produces x units per hour earns an hourly wage of y=0.35x + 11 (in dollars). Find the hourly wage for an employee who produces 2 units per hour.
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Question 67348: Find the slope of the line passing through the points (-8, -3) and ( -2, 2).
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Question 67440: Write the equation of the line with given slope and y-intercept. Then graph each line using
the slope and y-intercept.
slope;-3/4 and y intercept is (0,8)
I know that y=-3/4x+8
I need to know the rise and run.
Would the run be 4 or -4? Is the whole fraction negative or just the top?

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Question 67468This question is from textbook Prentice Hall Algebra 1
: how do you graph x+3y=6This question is from textbook Prentice Hall Algebra 1

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Question 67597: (x - 4)2 + y2 = 25
Find the x- and y-intercepts of the graph of the equation

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Question 67743: Find the slope of any line perpendicular to the line through points (0, 5) and
(-3, -4).
I am at total loss.

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Question 68175This question is from textbook Glencoe mathematics algebra 1
: hello i need help in my algebra homework (obviously) i looked in my algebra book on how to rotate a triangle 90 degrees clockwise but it only told me how to rotate it COUNTERclockwise so if you could help me i would be really appreciate it i know the points but i dont want to give them to you because i want to know the steps of how to figure this kind of problem out (algebra test on monday lol) neway thanx if u can help me This question is from textbook Glencoe mathematics algebra 1

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Question 68442: Write the equation of a vertical line through the point (3, 2)
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Question 68503: Which of the ordered pairs
(0, 0), (–2, 10), (–1, –5), (–3, 9)
are solutions for the equation y = 5x?
I am not quite sure what I am doing to confuse myself but I am getting nowhere and need some help. Thanks.

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Question 68682: what is the equation for the coordinates (1,2) and (2,4)
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Question 55427: find the distance between the pair of points (-1, -4) abd (-5, -7)
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Question 69430This question is from textbook Beginning Algebra
: plotting ordered pairs so that each is a solution for the given equation:
This is my problem 3x+4y=12 (0, ) ( ,3/4) ( ,0) (8/3, ) I have spent about 4 hours working on this. I tried solving for both x and y then plugging the number in. That didnt work out. I have tried graphing it to see if I could make more sense out of it that way, and that didnt help me much, and I believe it confused me worse. PLease Help!!
This question is from textbook Beginning Algebra

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