# Worksheet: Cartesian Equation of a Straight Line in Space

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

**Q1: **

Find the direction vector of the straight line .

- A
- B
- C
- D
- E

**Q2: **

The straight line that passes through the point is perpendicular to the vector . Find the Cartesian equation of the line.

- A
- B
- C
- D

**Q3: **

Which of the following is a Cartesian equation for a straight line that passes through the point with direction vector ?

- A
- B
- C
- D

**Q4: **

Find the Cartesian form of the equation of the straight line passing through the points and .

- A
- B
- C
- D

**Q5: **

What is the equation of the line parallel to line and passing through ?

- A
- B
- C
- D

**Q6: **

Find the direction vector of the straight line .

- A
- B
- C
- D
- E

**Q7: **

Find the direction vector of the straight line .

- A
- B
- C
- D
- E

**Q8: **

Find the direction vector of the straight line .

- A
- B
- C
- D
- E

**Q9: **

Which of the following is a Cartesian equation for a straight line that passes through the point with direction vector ?

- A
- B
- C
- D