ISEE Word Problems Question 283: Answer and Explanation
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Question: 283
2. Line l has a slope of 
. If line m is perpendicular to line l, what is the slope of line m?
- A. -
- B. -
- C.
- D.
Correct Answer: A
Explanation:
A
The slope of a line perpendicular to another line is the negative reciprocal of the other line's slope. The negative reciprocal of is ?.