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Thread: Slope question: In the formula 'y=mx+b' what is 'b'?

  1. #1

    Slope question: In the formula 'y=mx+b' what is 'b'?

    In the formula "y=mx+b" what is "b"? I've never quite been able to figure that out.

  2. #2
    Elite Member
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    Jun 2007
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    Re: Slope question

    Quote Originally Posted by jubilee21
    In the formula "y=mx+b" what is "b"? I've never quite been able to figure that out.
    Mathematically:

    That is the value of 'y' when x = 0.

    Geometrically:

    That is the height of the point on y-axis (from the origin) - where the straight line intersects the y-axis.

    It is generally referred to as the "y-intercept" of the line.
    “... mathematics is only the art of saying the same thing in different words” - B. Russell

  3. #3
    y=mx+b

    m is slope
    b is y intercept

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