Handout
Purple Math

Purplemath: Graphing Quadratic Functions: Introduction

For Students 9th - 10th Standards
The most basic quadratic is y = x2. The general technique for graphing quadratics is the same as for graphing linear equations. The quadratics graph as curvy lines (called "parabolas"), rather than the straight lines generated by linear...
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Math Notes and Math Tests

Pre Calculus Notes: Polynomial and Rational Functions [Pdf]

For Students 9th - 10th Standards
The resource discusses quadratic functions. Topics examined are parabolas, the vertex, the axis of symmetry, and standard form.
Website
Purple Math

Purplemath: Conics: Parabolas: Introduction

For Students 9th - 10th Standards
This reference material introduces the terms and equations related to parabolas in the context of conics. Also, relates concepts to previously-learned material and shows how to 'read' from the 'conics' form of the parabola equation.
Handout
Paul Dawkins

Paul's Online Notes: Algebra: Parabolas

For Students 9th - 10th Standards
Detailed math tutorial features notes and examples that investigate the process for graphing parabolas.
Whiteboard
ClassFlow

Class Flow: Exploring Quadratic Functions

For Teachers 9th - 10th Standards
[Free Registration/Login Required] Use this interactive flipchart to allow students to explore quadratic functions in algebra.