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# Lesson Worksheet: Equation of a Straight Line in Space: Cartesian and Vector Forms Mathematics

In this worksheet, we will practice finding the Cartesian and vector forms of the equation of a straight line in space.

**Q1: **

Find the direction vector of the straight line .

- A
- B
- C
- D
- E

**Q9: **

Give the equations for the -axis in 3-dimensional space.

- A,
- B,
- C
- D
- E

**Q10: **

Give equations for the -axis in 3-dimensional space.

- A,
- B
- C
- D,
- E