Discussion questions
Choose a section to work through its questions and solutions. Your progress is shared across pages. Ranges follow collection order; original source labels are kept on each question.
Section 1 · Questions 1–6
Write vector and Cartesian equations without dividing by zero · Recover a point and direction from Cartesian relations · +4 more
- Question 1 · Write vector and Cartesian equations without dividing by zero
- Question 2 · Recover a point and direction from Cartesian relations
- Question 3 · Check membership and a point-to-line distance
- Question 4 · Find the perpendicular foot and reflect a point
- Question 5 · Classify four pairs of spatial lines and find acute angles
- Question 6 · Find the separation of two parallel lines
Section 2 · Questions 7–10
Locate a perpendicular foot and reflect a whole line · Interpret parametric lines and zero cross products · +2 more