examine examples of quadratically related variables
1.2.2.4
identify contexts suitable for modelling with quadratic functions and use models to solve problems with and without technology; verify and evaluate the usefulness of the model using qualitative statements and quantitative analysis
1.2.2.5
understand the role of the discriminant to determine the number of solutions to a quadratic equation
1.2.2.6
determine turning points and zeros of quadratic functions with and without technology
1.2.4.7
solve equations involving combinations of the functions above, using technology where appropriate
