NCEA Level 2 Algebra
AS 91257 · Apply graphical methods in solving problems
4 lessons.
AS 91258 · Apply sequences and series in solving problems
4 lessons.
AS 91261 · Apply algebraic methods in solving problems
8 lessons, about 42 minutes.
Index laws, fractional indices and surds5 min
Expanding, factorising and simplifying algebraic fractions6 min
Quadratic equations: solving, and forming from the roots5 min
The discriminant: how many roots, and what kind5 min
Logarithms: what they mean and the log laws5 min
Exponential growth and decay: interest, depreciation, half-life5 min
Simultaneous equations: two lines, or a line and a curve5 min
Algebraic modelling: completing a model from the context5 min8 worked problems, about 87 minutes.
Indices and surds: 7 exam questions solved step by step11 min
Algebraic fractions: 7 exam questions solved step by step11 min
Quadratic equations: 7 exam questions solved step by step11 min
The discriminant: 7 exam questions solved step by step11 min
Logarithms: 7 exam questions solved step by step10 min
Exponential models: 7 exam questions solved step by step10 min
Simultaneous equations: 7 exam questions solved step by step11 min
Algebraic modelling: 6 exam questions solved step by step11 minAS 91269 · Apply systems of equations in solving problems
4 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.