Question

Dadas as retas
R: 3kx-4y 2=0
S: -6x 2y-7 , calcule K para que r e s sejam paralelas

Answer 1

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Answer 2

r//s --> mr = ms
m = -a/b
mr = -3k/(-4)
mr = 3k/4

ms = -(-6)/2
ms = 6/2
ms = 3

3k/4 = 3
3k = 4 . 3
3k = 12
k = 12/3
k = 4