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A. -2/3
B. -3/2
C. 3/3
D. 2/3

A. -2/3 B. -3/2 C. 3/3 D. 2/3-example-1
User Gnganapath
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1 Answer

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Remember that if a line is perpendicular to another line, then the slope of the perpendicular line is the negative reciprocal of the original line. Therefore, if the slope of the red line is 3/2, then the slope of the green line -2/3.
User Vo Quoc Thang
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