Not for the usual definition of the word "opposite." The perpendicular of a line having a slope of 2 has a slope of -0.5.
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true (APEX)
true (APEX)
Negative reciprocal slopes always represent perpendicular lines.
When the perpendicular lines are horizontal and vertical.
The slopes of two perpendicular lines are negative inverses of each other. In other words, the two slopes when multiplied together equal -1.