If the slope of side PQ is 2/3 and the slope of side RS is 2/3, find the slope of side QR and SP so that PQRS is a rectangle. PLEASE HELP! I'm DESPERATE!

A: -3/2 B: 3/2 C: - 2/3 D: 2/3

Question

If the slope of side PQ is 2/3 and the slope of side RS is 2/3, find the slope of side QR and SP so that PQRS is a rectangle. PLEASE HELP! I'm DESPERATE!

A: -3/2   B: 3/2  C: - 2/3  D: 2/3

anonymous · Answer

|dw:1363563794201:dw|A line that is perpendicular to a given line has a slope that is the negative reciprocal of the given slope.  These two perpendicular lines must have slopes that are negative reciprocals of the two lines with slope 2/3.  Look at the picture.