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Vertex and axis of symmetryTechnique

Technique

Vertex and axis of symmetry

Find the middle line, then evaluate there

3 min 3 steps

Every parabola is its own mirror image. Find the fold line, and the vertex turns itself in.

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Vertex formula and vertex formFactFind a parabola's turning point in one line

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Extract features of a quadratic functionTacticPick the form that shows the feature you need