General Form and Standard Form
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State
A quadratic function wears two forms: general form ax² + bx + c, and standard form a(x − h)² + k, with vertex (h, k).
Show
x² − 4x + 3 and (x − 2)² − 1 are one function: expand the second, the first returns.
Watch for
Some books nickname standard form vertex form.
Builds on
- Nothing — this is a starting point.
Unlocks
- Nothing yet depends on this.