What you will learn:

5A Linear functions
5B Linear models
5C Simultaneous equations – graphically
5D Simultaneous equations – algebraically
5E Simultaneous equation models
5F Break-even analysis

Outcomes:

• Graph linear functions.
• Interpret linear functions as models of physical phenomena.
• Develop linear equations from descriptions of situations.
• Solve a pair of simultaneous linear equations using graphical methods.
• Finding the point of intersection between two straight-line graphs.
• Develop a pair of simultaneous linear equations to model a practical situation.
• Solve practical problems by modelling with a pair of simultaneous linear functions.
• Apply break-even analysis to solve simple problems.