Posted by **carol** on Sunday, June 10, 2007 at 11:29pm.

Determine which two equations represent parallel lines.

(a) y = 5/7x + 4

(b) y = -7/5 x – 8

(c) y = 9x + 11

(d) y = 9x – 4

which have the same slope?

which have the same slope?

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