• Approximating solutions graphically and numerically

Functions and the Vertical Line Test
The following discussions and activities are designed to lead the students to explore the the vertical line test for functions. Plotting points and drawing simple piecewise functions are practiced along the way.

Chicago Public Schools
This is a structured lesson plan that provides strategies for teaching, examples, worksheets, and assessments. Instruction on the TI-82/83 is provided, but the use of calculators is not essential. (Day 70-72, 74)

Solving Quadratics by Factoring - GCF, Difference of Perfect Squares, and Quadratic Trinomial
This is a short lesson (good to show to class or print out) that has very clear steps to solving by factoring and examples for each of the three factoring types listed above.  You have the option to view the lesson, the practice page, or the resources from the link above.

Solving Quadratics by Factoring
This is another short lesson, but the examples of solving by factoring provide graphical representation of each associated quadratic function.

Math.com worksheets for Quadratics
Use this site to generate printable worksheets with answer sheets. FREE!  

AS Guru Maths
This is a British website that offers an online tutorial for all levels of math. This link goes to a lesson on parabolas.

Rags to Riches Game
This is an interactive game for factoring and solving equations by factoring.  Good for entire class playing together or during lab time.

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