2.1 Straight Lines

Section Checklist: 

• Are you comfortable with different forms of the equation of a straight line? If you do, what are the three main forms?  
• What is gradient? What are intercepts?
• Can you find the equation of a line from its gradient and intercept?
• Can you find the equation of a line from its gradient and any point?
• What is system? What are the rules to have a parallel lines or perpendicular lines?
• Can you find the equation of a line parallel to a given line?
• Can you find the equation of a line perpendicular to a given line, through a given point?
  

 

Section Contents:

A: The equation of a line

B: The Equation of a line

C: System of simultaneous equations

D: Perpendicular bisector

E: Practice Questions

 

Class Notes:

Notes PDF Version

Resources:

 

How to use a calculator with SL 2.1 content