Parallels, perpendiculars and shortest distance

---

Resources on this page:
SBD with worked solution | Video going through an SBD question | Key points | Interactive used in the video

P1.5G Q6 - the answer is at the bottom of this page

Remember: productive practice is perfect preparation

• Once you have seen and understood how to do the question then do it yourself
• If you used help then after a few days retry the question without help

Key Points

You need to be able to:

• Use y = mx + c to check for parallel lines
• Remember the gradient of a perpendicular is the negative inverse of the line's gradient ^-1/_m
• Remember the shortest distance between parallel lines is along a perpendicular

Explore

Answer to the textbook question at the top of this page