The length of a rectangle is (x + 2). The
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Answer:
Step-by-step explanation:
- The equation of the line in point-slope form is:
Where m is the slope and is a point of the line.
- The equation of the line is written is slope-intercept form, where the slope is
.
- By definition, when two lines are perpendicular to each other, the slopes are the negative reciprocals. Therefore, the slope of the perpendicular line must be -3.
- Substitute the point P and the slope -3 into the equation in point-slope form, therefore, you obtain: