# Determine vector and parametric equations for the z-axis.

1. Jul 16, 2011

### kathialopez

Determine vector and parametric equations for the z-axis.

HOW DO YOU ANSWER THIS QUESTION?

2. Jul 16, 2011

### SteveL27

Just a guess since I don't know exactly what definitions you're working from ... but parametric equations for the z-axis would be

x(t) = 0; y(t) = 0; z(t) = t

for $t \in \mathbb{R}$

Is that what you mean?