Find the zeroes ("roots") of quadratic functions and the vertex of their parabolas. Functions are given in standard, vertex, and factored form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Concepts

quadratic functions

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Additional Tags

khan academy, khan academy: features of quadratic functions

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Classroom Considerations

• Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)
• The intended use for this resource is Instructional|practice

Common Core

HSA-SSE.B.3.a HSF-IF.C.7.a HSF-IF.C.8.a