Algebra

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In the graphing problem 3y=2x-9 m=? b=? What do m and b stand for? How do I solve?

  • Algebra -

    The slope-intercept form of an equation is,

    y = mx + b
    m = the slope
    b = the y-intercept

    You need to solve your equation for y, for the equation to be in the slope-intercept form.

    3y = 2x - 9
    Divide both sides by 3,
    y = 2/3 x - 9/3
    y = 2/3 x - 3

    Now, the equation is in the slope-intercept form and you can easily find m and b.

    y = mx + b
    Your equation,
    y = 2/3 x - 3
    y = 2/3 x + (-3)
    m = ?
    b = ?

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