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

Tutors Answer Your Questions about Coordinate-system (FREE)

Question 231648: why doesn't the 3x-9 give you the graph of a line and not a circle
Click here to see answer by rfer(16322)

Question 232093: how do you solve x � 7 = -6 ?
Click here to see answer by checkley77(12844)

Question 232501: I have got a question could someone explain to me how to convert this into polar coordinates;
x^2 + y^2 = 4x

Click here to see answer by rapaljer(4671)

Question 232549: How do i find the value of y so that the line passing through the two points has the given slope?

Click here to see answer by Alan3354(69443)

Question 232718: Hi. The instructions say "Use a table of values to graph the equation." Question is 4x + 4y = 2 Thanks!
Click here to see answer by rfer(16322)

Question 232718: Hi. The instructions say "Use a table of values to graph the equation." Question is 4x + 4y = 2 Thanks!
Click here to see answer by dpaulin(12)

Question 233203: This states to use the quadratic formula to determine the x-intercepts of the following function. Then evaluate the function for several values of x, and use the resulting points to graph the function.
f(x) = 1/4x^2
Click here to see answer by Alan3354(69443)

Question 233153: We need to show our work on a graph with a Y axis and an X axis, the question is (y = 0.5x +2) this is supposed to be 6th grade math and I'm trying to help my son and I can't even do this. he is supposed to put dots on the graph to represent the question and draw a line through the dots on the graph.
Thanks
Click here to see answer by Alan3354(69443)

Question 234284: Write the slope-intercept form of the equation. (-1,-8) and (-1,9)
Click here to see answer by rfer(16322)

Question 234284: Write the slope-intercept form of the equation. (-1,-8) and (-1,9)
Click here to see answer by checkley77(12844)

Question 234467: IN A TWO-AXIS SYSTEM EACH POINT HAS- COORDINATES
Click here to see answer by solver91311(24713)

Question 234871: what is the equation of the line that has a slope of 6 and passes through the point (5,-12)?
Click here to see answer by Alan3354(69443)

Question 234876: what is the equation of the line that has a slope of 3 and passes through the point (9,-11)?
Click here to see answer by Alan3354(69443)

Question 234966: The graph of x+2y=-5 conatains which point?
Click here to see answer by nyc_function(2741)

Question 235171: why is algebra so hard ? does everyone really get it >?
im in high school and im still havuing troubles with it ?
Click here to see answer by ankor@dixie-net.com(22740)

Question 235775: How do you find m and b for the following problem: 3x-2y=5
Click here to see answer by nyc_function(2741)

Question 235792: how to do substitution and try to get one solution x+3y=12 x-y=8
Click here to see answer by Stitch(470)

Question 234859: what is the equation of the line that has a slope of 3 and passes through the point (4,-18)?
Click here to see answer by Alan3354(69443)

Question 234865: what is the equation of the line that has a slope of 5 and passes through the point (4,-18)?
Click here to see answer by Alan3354(69443)

Question 236587: how do i graph: 3x-y=6
Click here to see answer by jim_thompson5910(35256)

Question 236694: How do I write the equation of a line that is parallel to 3x-2y=8 and contains the point (-1,4) ?
Click here to see answer by jim_thompson5910(35256)

Question 236703: How do I wrtie an equation that will be perpendicular to 3x-5y=10 and passes through (-6,2)?
Click here to see answer by stanbon(75887)

Question 237035: if there is a table that looks like this
x 2 0 -3 1/2 -1 0.3 -1/3 -11 -2
y 5 1 -5 2 7 10
wat is the rule
Click here to see answer by stanbon(75887)

Question 237042: what is the slope of a line that contains the points (-2,5) and (6,-3)

Click here to see answer by rfer(16322)

Question 237117: what is the x-intercept of the graph of the equation x-2y=6?

Click here to see answer by rfer(16322)

Question 237326: what is the equation of the line tangent to the circle x^2+y^2=25 at the point (3,4) ?
I don't know how to go about this sum. Please solve and explain
thanks
Click here to see answer by solver91311(24713)

Question 237339: Write an equation of the line containing the given point and perpendicular to the given line. Express in the form y= m x + b
(7,8) ; 5x + y = 7
The equation of the line is y =
Click here to see answer by jim_thompson5910(35256)

Question 237338: 32. Write an equation of the line containing the given point and parallel to the given line. Express in form y = mx + b
(-5,6); 6x=5y+3
Click here to see answer by jim_thompson5910(35256)

Question 237324: What are the y intercepts of the equation 9x^2-4y^2=36 ?
Please solve and explain how to get to the answer
thanks
Click here to see answer by rapaljer(4671)

Question 237395: Write an equation of the line containing the given point and perpendicular to the given line.
(5,-7) ; 5x + 7y = 2
Click here to see answer by solver91311(24713)

Question 237835: I have to graph this equation.
-3x - y = 4
HELP!
Click here to see answer by rfer(16322)

Question 238087: I am home schooling my ninth grader in algebra. We do not understand how to convert from slope/intercept form to standard form and vice versa. Would you please provide a very detailed explanation? Thank you so much. Kay Dickerson
Click here to see answer by College Student(505)

Question 238591: (-2,r),(6,7),m=1/2
Click here to see answer by user_dude2008(1862)

Question 237946: a slope
(1,-6
Click here to see answer by College Student(505)

Question 239063: 2x -y < or equal to 2
Click here to see answer by checkley77(12844)

Question 239759: I don't know if i selected the right topic for this question.

Translate point D(-3,-5) to the right 4 units and down 3 units. What are the coordinates of the image of D?
i tried to do this problem and i got (9,5) but i think it's wrong because when i looked at it on the graph it looked wrong.
Thanks! :)
Click here to see answer by Theo(13342)

Question 239903: write the coordinates of the point that is 9 units to the left of the y-axis and 6 units about the x-axis.
Click here to see answer by RAY100(1637)

Question 240489: I am asked to find the slope of two lines, each in the same quadrant, quadrant 1. There are no coordinates. Is there a formula I should be using?
Click here to see answer by solver91311(24713)

Question 240514: How do I figure out how to graph the problem f(x)=2x-3
Click here to see answer by rfer(16322)

Question 240697: Solve x2 - 2x - 8 = 0 by graphing. The x intercepts are ? and ?.
Click here to see answer by rapaljer(4671)

Question 240773: find an equation of the line containing the point (-3,9) and (2,2)
Click here to see answer by solver91311(24713)

Question 240363: find y given that x = -1: y = -3x - 6
Click here to see answer by College Student(505)

Question 241420: find the x-internet. round to the nearest tenth:

Click here to see answer by checkley77(12844)

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