Math mrs.sue plz help i a confused.

1. Find the slope of a line that is parallel to the line containing the points (3, 4) and (2, 6). (1 point)
m = 1
m = 2
m = –2
m = 1/2


2. Find the slope of a line that is perpendicular to the line containing the points (–2, –1) and (2, –3). (1 point)
m = –2
m = 2
m = -2
m = –1

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  1. m = -2
    m = 2

    m is the change in y divided by the change in x.

    So, for #1,
    y changes from 4 to 6 (+2)
    x changes from 3 to 2 (-1)
    2/-1 = -2

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