Are the Given Lines Parallel, Intersecting, Identical or Skew $\vec { r } _ { 1 } ( t ) = \langle 2,3,6 \rangle + t \langle - 1,2,4 \rangle$

Multiple Choice

Are the given lines parallel, intersecting, identical or skew? $\vec { r } _ { 1 } ( t ) = \langle 2,3,6 \rangle + t \langle - 1,2,4 \rangle$ $\vec { r } _ { 2 } ( t ) = \langle 9 , - 1 , - 2 \rangle + t \langle 2 , - 4 , - 8 \rangle$

A) Parallel
B) Identical
C) Intersecting
D) Skew