Find the values of for which the lines and are parallel.

But my textbook says it's plus or minus 4, I only got +4 why?

B.) Are there any values of that would make the two lines perpendicular? Explain.

How would I be able to find out?

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- Jun 2nd 2010, 11:47 PMlarry21Find values of k if Parallel or if Perpendicular
Find the values of for which the lines and are parallel.

But my textbook says it's plus or minus 4, I only got +4 why?

B.) Are there any values of that would make the two lines perpendicular? Explain.

How would I be able to find out? - Jun 2nd 2010, 11:55 PMundefined