This achievement standard involves sketching graphs of conic sections and writing equations related to conic sections.
- Sketch graphs of conic sections and write equations related to conic sections.
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- Graphs will be selected from the circle, ellipse, parabola and hyperbola. Completion of the square may be required.
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- Appropriate features must be indicated, for example: asymptotes and intercepts.
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- Equations may be in Cartesian or parametric form.
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- Solve problems involving conic sections.
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- Problems involving modelling with conic sections may include contexts such as: bridges, cross sections of tunnels, profiles of shadows formed by light shades, ovals, cross sections of punchbowls.
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Note: implicit or parametric differentiation may be required to find equations of tangents or normals.
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- Solve more complex conic section problems.
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Problems may involve:
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a proof
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a chain of reasoning
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loci
- knowledge of eccentricity or directrix.
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