



 
Emily, I assume the type of question you have is
The key here is that if a line has slope m (m ≠ 0) then a line perpendicular to it has slope 1/m. Thus the line you are looking for in the example above will have slope 3/2. Thus you need the line with slope 3/2 which passes through (3, 5). The pointslope equation of the line is then
Penny  


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