SOLUTION: Which of the following is a line perpendicular to y = x + 4?

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Question 152584: Which of the following is a line perpendicular to y = x + 4?
Answer by jim_thompson5910(35256) About Me  (Show Source):
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Notice that the slope of this line is m=1. So the perpendicular slope is simply the negative reciprocal of 1. So the perpendicular slope is m=-1. So the answer will be an equation with a slope of m=-1