Lesson 1: Introduction to Modelling with Graphs

• Understanding and defining slope

• Positive and negative slope

• Calculating slope

  • Given 2 points

• Slope of a vertical line

• Slope of a horizontal line

Lesson 2: More Modelling with Graphs

• Defining and explaining key terms:

  • Dependent and independent variables

  • Outlier

  • Line of best fit

  • Direct and partial variation

• Word problems with partial variation

• Partial variation graphs

• First difference:

  • Linear and non-linear equations

• Equation of a straight line (components explained)

• Finding the equation of a straight line:

  • Given 2 points

  • Strategy to find equation

Here are a few sample questions for you to practice. The answers are given at the end.