Step-by-step explanation
to graph a 3r point.let the axis as in the picture,
Step 1
set the axis
horizontal( x)
vertical ( y)
diagonal( z)
so to graph the point
let
distance in x axis=-1= 1 outside of the page
distance in y axis=-3= horizontally to the left of origin
distance in z axis= 1= 1 unity vertically up, from the origin
I hope this helps you