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

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Algebra: Coordinate systems, graph plotting, etc

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Question 84821: I have to determine whether the graphs of the equation are perpendicular, parallel, or neither. 4x+4y=-4 and 4x-4y=0. I put perpendicular, is this correct?
Click here to see answer by tanimachatterjee(60)

Question 84819: I have a question that states: Find the slope of the line passing through the pair of points (-7, 3), (3,3). The slope is 0, isn't it?
Click here to see answer by funmath(2873)

Question 84818: I have a question that states; Determine the quadrant in which (x,y) is located so that the conditions are satisfied. x<0 and y=4. This would be in quadrant 1, wouldn't it?
Click here to see answer by Earlsdon(4900)

Question 84815: I have a question that states: Find the x- and y-intercepts of the graph of the equation 1/4x=2. How do I work this problem?
Click here to see answer by Spec80(9)

Question 84732: solvw the system by graphing using the coordinate plane: 3x+y=1; x+y=5
Click here to see answer by jim_thompson5910(13794)

Question 84817: My question states: Graph the quadratic function and list any x-intercepts : f(x)=x^2-4x+4. How do I do this?
Click here to see answer by dolly(163)

Question 84883: What is the eguation of the line with points(0,-4) and (4,0)
Click here to see answer by checkley75(3666)

Question 84950: HI,
Can you please help me with this math probelm?
-At which point does the graph of f(x)= X(squared)+ 3X-18 intersect the Xaxis?
Thank You
Click here to see answer by praseenakos@yahoo.com(417)

Question 84959: I have a question that states: Find the distance between the two plotted points (0,2) and (5,-4). I came up with 5.39 but it is wrong, what would this be?
Click here to see answer by checkley75(3666)

Question 85303: in the formula f=9/5c+32 what is the farenheiht if the celsius is -10,0,15,100?
Click here to see answer by checkley75(3666)

Question 85324: Okay, so my problem is : Find the slope of the line parallel to the given.
given: y= 1/3x -4
and if you could explain that would be very much appreciated.
thank you.
Click here to see answer by josmiceli(3012)

Question 85490: How do I solve graphically for x and y? The equation is 3x-y=-4 and 2x-3y=9. How would it look like on a graph? Thanks I am lost on this one.
Click here to see answer by stanbon(26291)

Question 85493: I have a question that states in which quadrant is the point located: x=-9, y<0. I had put quadrant 2 and my friend put quadrant 3 and we both got them wrong.
Click here to see answer by stanbon(26291)

Question 85805: Can someone please help me with this one? Are the two lines with equations 2x + 3y = 8 and 3x + 2y = 7 parallel, perpendicular or neither? Tell (algebraically) how you know.
Click here to see answer by stanbon(26291)

Question 85928: how will you graph 2x-2y=6 and 3x+4y=12
Click here to see answer by jim_thompson5910(13794)

Question 86030: I have a question that states: use the graph of f(x)=/x/ to find the graph of f(x)=/x-3/-2 Can anyone help me with this? It's due tonight and I have been working on it for the past 2 hours.
Click here to see answer by jim_thompson5910(13794)

Question 87079: CAN YOU PLEASE HELP ME ON HOW TO DO THIS PROBLEM:
Solve and graph the solution set: 5x-4(6+2x) < 2(1-x)
Click here to see answer by tutorcecilia(2042)

Question 87120: Graft these two equations from the following: and ..
Click here to see answer by checkley75(3666)

Question 87233: Please Help. I am no good with graphing
Solve and graph the solution set:
a)5y + 3 < -2 or y - 7 > 0
b) x - 9 < 3x - 4 < x + 8
PLEASE HELP!!!!!!!!!
Click here to see answer by Edwin McCravy(2922)

Question 87255: Write the equation of the line passing through each of the given pairs of points. Write your result in slope-intercept form.
#1: (-1, 3) and (4, -2)
#2: (2, -3) and (2, 4)
Thank you!
Click here to see answer by jim_thompson5910(13794)

Question 87253: Driving down a mountain, Tom finds that he has descended 1800 ft in elevation by the time he is 3.25 mi horizontally away from the top of the mountain. Find the slope of his descent to the nearest hundreth.
Click here to see answer by jim_thompson5910(13794)

Question 87078: OK I am stuck on how to do this. Can you please explain it.The problem goes like this: Solve and graph the solution set.
a) 5y+3,_< -2 or y-7_>0
b) x-9< 3x-4< x+8
PLEASE HELP
Click here to see answer by Edwin McCravy(2922)

Question 87393: True or false, the following polar coordinates are multiple representations of the same point: (-5, 7pi/4)(-5, 5pi/4)
i say false but i really dont know....i also dont know if this should be posted somewhere else
Click here to see answer by longjonsilver(2297)

Question 87431: What does the graph of the Linn x+y= 1 look like?
Click here to see answer by Earlsdon(4900)

Question 87457: Choose the rectangular coordinates for the following polar coordinate: (-6, 3pi/2)
is it (-6, 0)??
Click here to see answer by rapaljer(3622)

Question 87458: When plotte on the rectangular coordinate system, in which quadrant would the following point be located for this polar coordinate? (-2, 2pi/3)
Click here to see answer by scott8148(3382)

Question 87456: When plotted on the rectangular coordinate system, in which quadrant would the following point be located?
(-3, pi/4)
Click here to see answer by scott8148(3382)

Question 87672: Please help.I do not get this problem:
Graph f:x-> |x|+2 with domain D= { -2,-1,0,1,2}
Click here to see answer by Edwin McCravy(2922)

Question 87671: Please help me I am really bad with the whole graphing thing.
The problem goes like this:
Graph 2x-y= 6 and x+3y= 3 on the same coordinate plane. what is the point of intersection?
Click here to see answer by jim_thompson5910(13794)

Question 87674: This problem I dont even know how you could graph it. I need help.
The problem goes like this: If x and y are integers, find the domain of { (x,y) : |y|= x and x_<4} graph the relation. Is it a function?
Click here to see answer by stanbon(26291)

Question 88175: A satellite orbits the Earth on a path with equation x^2 + y^2 = 45 000 000. Another satellite, on the same plane, is currently located at (12 504, 16 050). Is the second satellite inside or outside the orbit of the first satellite? Explain.
THNAK u
Click here to see answer by rapaljer(3622)

Question 88413: There are four circles of horses. Each circle is 3 feet from the next circle. The radius of the inner circle is 6 feet. If a horse in the inner circle is 5/6 of the way around the merry-go-round, gives its polar coordinates.
Click here to see answer by stanbon(26291)

Question 88096: There are four circles of horses. Each circle is 3 feet from the next circle. The radius of the inner circle is 6 feet. If a horse in the inner circle is 5/6 of the way around the merry-go-round, give its polar coordinates..........I came up with (6ft, 60degrees) is this the correct way to write it?
Click here to see answer by Edwin McCravy(2922)

Question 88676: graph: y= -x - 2x - 4
Click here to see answer by checkley75(3666)

Question 88677: Graph the following equations and determine the solutions, if there are any
y= 3x squared + 3x - 6
I don't remenber how to do it!
Click here to see answer by checkley75(3666)

Question 88887: For equations that have two variables, the solutions come in "ordered pairs". In most cases there are an infinite number of solutions. Explain how you could use the graph of an equation (function) to obtain some of these solutions.

please explain this to me I am so terribly confused by the question
Click here to see answer by jim_thompson5910(13794)

Question 89037: By looking at the graph of a line, how can you tell if its slope is negative?
Click here to see answer by stanbon(26291)

Question 89033: Find the equation of the line with slope 0 and y-intercept (0, -2). Write your answer in the form y = mx + b.
Click here to see answer by Edwin McCravy(2922)

Question 89036: Find the slope of the line passing through the points (-1, -2) and (1, 4).

Click here to see answer by jim_thompson5910(13794)

Question 89036: Find the slope of the line passing through the points (-1, -2) and (1, 4).

Click here to see answer by Edwin McCravy(2922)

Question 89187: Which sets of ordered pairs (x, y) define y as a function of x?
I = {(4, 7), (3, 7), (2, 5), (8, -8)}
II = {(5, 1), (-3, 4), (-3, 2)}

Click here to see answer by stanbon(26291)

Question 89185: Evaluate g(f(1)), where f(x) = 4x - 5 and g(x) = 2x + 3.

Click here to see answer by jim_thompson5910(13794)

Question 89186: Determine the center of the circle (x + 2)^2 + (y - 1)^2 = 16.
Click here to see answer by stanbon(26291)

Question 89371: what is the solution of finding the range and the domain in these equations?
1. (x,y)/y=7x-1
2. (x,y)/y=-4x-8
3. y=-8
4. x=1/4
5. (x,y)/y=4x raise to 2
6. ( x,y)/y=-5xsquared+7
7. (x,y)/x=ysquared+3
i hope you'll answer it immediately because i need it now. thank you.
Click here to see answer by stanbon(26291)

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