HISTORICAL CONTRIBUTION
- F2 Graphing Techniques has contributed an average of 5.3% per Advanced exam since the new syllabus was introduced in 2020.
- We have split the topic into 2 categories for analysis purposes: 1-Transformations (3.3%) and 2-Non-Calculus Graphing (2.0%).
- This analysis looks at Transformations.
HSC ANALYSIS - What to expect and common pitfalls
- Transformations (3.3%) represents new syllabus content that explicitly looks at translations and dilations of several function types, including the introduction of the aforementioned terminology.
- Absolute value graph transformations were the subject of a 5-mark question in 2023 Adv 27. A "must revise" question in which particular attention should be paid to part (b) that produced a 23% mean mark.
- The 2022 Adv exam required students to calculate translations and dilations in three separate steps, producing a mean mark of 51%. This question is on the back of 2021 Q21 which combined vertical and horizontal dilations and similarly caused problems with a 48% state mean mark. Revision attention here goes without saying.
- The NESA sample HSC exam, released in March 2020, has been instructive in developing this challenging database area. Pay careful attention to F2 EQ-Bank questions.
- We note that Trig transformations, which we regard as an extremely important transformation sub-topic, are covered separately under T3 Trig Graphs.