SOLUTION: what is the slope of the line perpendicular to y= -3 over 2x +9?

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Question 551466: what is the slope of the line perpendicular to y= -3 over 2x +9?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
what is the slope of the line perpendicular to y= -3 over 2x +9?
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Is it y+=+-3%2F%282x+%2B+9%29 ?