Posted by **Raevan** on Sunday, July 25, 2010 at 4:07pm.

Determine whether the lines are parallel, perpendicular, or neither.

# 1) y = 5( 4x + 9) and y = - 1/20x - 4

A) Parallel

B) Perpendicular

C) Neither

#2) y = 9x + 9 and y = -9x + 9

A) Parallel

B) Perpendicular

C) Neither

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