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March 4, 2015

March 4, 2015

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

# 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

- Math. -
**Henry**, Tuesday, July 27, 2010 at 3:25pm1. 5(4X + 9) and Y = -1/20X -4.

Y = 20X + 45

The slopes are negative reriprocals.

Therefore, the are perpendicular.

2. Y = 9X + 9 and y = -9X + 9.

Ans: neither.

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