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Math Help - UrGent Help

  1. #1
    MaX-B
    Guest

    UrGent Help

    Can someone please give an example on how to solve a y=mx+b problem
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  2. #2
    dud
    dud is offline
    Newbie
    Joined
    Jan 2006
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    Trondheim, Norway
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    20
    With regards to what?
    With regards to m:
    <br />
y = mx + b<br />
    <br />
m = -\frac{b}{x}<br />
    With regards to x:
    <br />
y = mx + b<br />
    <br />
x = -\frac{b}{m}<br />
    With regards to b:
    <br />
y = mx + b<br />
    <br />
b = -mx<br />

    Was that what you meant? If you meant something else, you have to specify... Pretty standard algebra...
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  3. #3
    Junior Member
    Joined
    Oct 2005
    Posts
    27
    Can someone please give an example on how to solve a y=mx+b problem?

    What is the equation of a line with slope 2 through point (4.6)?
    y = mx+b Plug in the slope instead of m along with the x and y values of the point -->
    6 = 2(4) +b Solve for b -->
    6 = 8 +b
    b = -2

    Re-write the format, including the values of m and b -->
    y = 2x -2
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