Across
- 2. The three-dimensional (3D) environment where we study points, lines, and planes using the $Oxyz$ system
- 4. The specific type of vector that is parallel to a line and defines its orientation in space.
- 5. A type of equation for a line in 3D space that uses a helper variable, usually represented by the letter $t$
Down
- 1. A mathematical object that has both magnitude and displacement, often denoted by an arrow like $\vec{u}$ or $\vec{AB}$
- 3. A set of numbers $(x; y; z)$ that determine the exact position of a point in the $Oxyz$ system.