AS 91577: Apply the algebra of complex numbers in solving problems
Everything for the apply the algebra of complex numbers in solving problems exam in one place: past papers with their marking schedules, the scores you needed for each grade, and free marking of your own answers before the real thing.
Every AS 91577 paper, with the boundaries
Papers, schedules and booklets open on the NZQA website. The three score columns are the lowest total out of 24 that earned Achieved, Merit and Excellence that year.
| Year | Download from NZQA | A | M | E | Marking |
|---|---|---|---|---|---|
| 2025 | Exam paper · Marking schedule · Formulae sheet | 7 | 13 | 20 | Mark it free |
| 2024 | Exam paper · Marking schedule · Formulae sheet | 7 | 14 | 19 | Mark it free |
| 2023 | Exam paper · Marking schedule · Formulae sheet | Boundaries are in the marking schedule | |||
| 2022 | Exam paper · Marking schedule · Formulae sheet | Boundaries are in the marking schedule | |||
| 2021 | Exam paper · Marking schedule · Formulae sheet | Boundaries are in the marking schedule | |||
Sit a paper under exam conditions, then use Mark it free: upload photos of your working and you get a grade for every question, checked by a teacher, with a tip to reach the next grade. Older papers can be marked against their schedule yourself.
What AS 91577 assesses
- Complex numbers, rectangular and polar form
- Operations and conjugates
- De Moivre's theorem
- Loci and manipulation of surds/indices
Video lessons
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Achievement standard titles, codes and credit values are referenced from NZQA (nzqa.govt.nz) for course-information purposes; confirm current details on the NZQA website. Vertex Academy is an independent tutoring centre and is not affiliated with or endorsed by NZQA or the Ministry of Education. All practice materials are original.