Find the coordinates of the point located four units in front of the $y z$-plane, nine units to the right of the $x z$-plane, and three units below the $x y$-plane.
A) $( 4 , - 3,9 )$
B) $( 4,9 , - 3 )$
C) $( 4 , - 9 , - 3 )$
D) $( 4 , - 3 , - 9 )$
E) $( 4,13,10 )$

Question

Quizplus · Accepted Answer

The point is four units in front of the $yz$-plane, which means $x = 4$. It is nine units to the right of the $xz$-plane, which means $y = 9$. It is three units below the $xy$-plane, which means $z = -3$. Thus, the coordinates are $(4, 9, -3)$.

Find the Coordinates of the Point Located Four Units in Front