Respuestas

2013-11-21T09:57:04+01:00
1)  3k (-1) + 5 . 4 + k -2 = 0
-3k +20 +k -2 = 0

-2k = -18 
k = 9

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b)    m = -a/b 

3 = - 4 / -k 

k = 4/3

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c)

x=5  y =0

k.5 - 0 = 3k -6

2k = -6

k = -3