Chapter 11 - Vectors and the Geometry of Space - 11.2 Exercises - Page 763: 6

$(7,-2,-1)$

The point is located seven units in front of the $yz$-plane (this means the $x$-component is $7$), two units to the left of the $xz$-plane (this means the $y$-component is -2), and one unit below the $xy$-plane (this means the $z$-component is -1).