Question 481885
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Hi,
Note:  y = mx + b, where m is the slope:
line 4x-2y = -7  OR y = 2x+7/2 , m = 2  OR m = {{{highlight(2/1)}}}
the slope of a line parallel to this line: m = 2
the slope of a line perpendicular to this line: m = -1/2