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Lesson 11-2b

Quadratic form: solve a degree-4 expression as a quadratic

Quadratic form by substitution

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Quadratic form: solve a degree-4 expression as a quadratic

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Grounded in 11-2b

Learning goal

Spot a hidden quadratic form inside a higher-degree or radical expression, substitute to rewrite it as a quadratic a method you already know applies to, then substitute back to finish.

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Lesson context

Learning goal

Spot a hidden quadratic form inside a higher-degree or radical expression, substitute to rewrite it as a quadratic a method you already know applies to, then substitute back to finish.

Lesson knowledge

Grounded in 42 lesson sources

Difficulty

Relation modeling

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