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ACARA AC9M9A04, Quadratic functions

Year 9 · Algebra

Graph quadratic functions and solve quadratic equations graphically, numerically and, for monic quadratics with integer roots, algebraically.

Below are free printable maths worksheets that support AC9M9A04. Print them as PDFs, or generate a fresh one. Every maths answer key is computed in code, so it is never wrong.

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Deliver a whole lesson on AC9M9A04 from a textbook-grade teaching unit, with a hook, worked examples, diagrams, misconceptions, and an exit ticket.

Teaching guide

What students learn

Graph quadratic functions and solve quadratic equations graphically, numerically and, for monic quadratics with integer roots, algebraically.

Worked example
Expand: (x + 1)(x + 5)
Answer: x^2 + 6x + 5
Why: x^2 + (1+5)x + (1x5) = x^2 + 6x + 5

Generated and checked in code, so it is correct.

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More Year 9 Algebra codes: AC9M9A01 · AC9M9A02 · AC9M9A03 · AC9M9A05 · AC9M9A06
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Australian Curriculum content descriptions (c) ACARA, used under CC BY 4.0. Descriptions are paraphrased. See australiancurriculum.edu.au.