SOLUTION: CD (-2/3) is perpendicular to PQ then what is the slope of PQ

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Question 1202638: CD (-2/3) is perpendicular to PQ then what is the slope of PQ
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
The concept is explained in your book. The product of the two slopes is -1.