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Math Help - Equation of the line

  1. #1
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    Equation of the line

    Here are a few problems that are giving me trouble when trying to figure out the equation of a line. I can't seem to figure out the rules that apply so if you could tip me off, I would greatly appreciate it.

    1. The slope is undefined and the line passes through (1,4)
    2. The equation of the y-axis
    3. The equation of the x-axis



    I have to put all answers into the point-slope formula y-y1=m(x-x1)

    Thank you for your help!! It is greatly appreciated!!
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  2. #2
    Super Member 11rdc11's Avatar
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    Quote Originally Posted by acharles View Post
    Here are a few problems that are giving me trouble when trying to figure out the equation of a line. I can't seem to figure out the rules that apply so if you could tip me off, I would greatly appreciate it.

    1. The slope is undefined and the line passes through (1,4)
    2. The equation of the y-axis
    3. The equation of the x-axis



    I have to put all answers into the point-slope formula y-y1=m(x-x1)

    Thank you for your help!! It is greatly appreciated!!
    When a line slope is undefined you don't have a slope, it a vertical line.

    1. y = 4
    2. x = 0
    3. y = 0
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