Derive the equation of a parabola with Focus at coordinates (a, c) and Directrix at y = c using a Desmos graphing calculator. There is a companion worksheet for this activity, which subscribers can download. The worksheet is a PDF file.

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Desmos Collection

This is part of a collection of math clip art images that show show different aspects of quadratic functions and equations.

This is part of a collection of math clip art images that show show different aspects of quadratic functions and equations.

This is part of a collection of math clip art images that show show different aspects of quadratic functions and equations.

This is part of a collection of math clip art images that show show different aspects of quadratic functions and equations.

This is part of a collection of math clip art images that show show different aspects of quadratic functions and equations.

This is part of a collection of math clip art images that show show different aspects of quadratic functions and equations.

This is part of a collection of math clip art images that show show different aspects of quadratic functions and equations.

This is part of a collection of math clip art images that show show different aspects of quadratic functions and equations.

This is part of a collection of math clip art images that show show different aspects of quadratic functions and equations.

This is part of a collection of math clip art images that show show different aspects of quadratic functions and equations.

This is part of a collection of math clip art images that show show different aspects of quadratic functions and equations.

<h1>Math Example--Quadratics--Conic Sections: Example 1</h1><p> This is part of a collection of math examples that focus on quadratic expressions, functions, and equations. </p>

<h1>Math Example--Quadratics--Conic Sections: Example 10</h1><p> This is part of a collection of math examples that focus on quadratic expressions, functions, and equations. </p>

<h1>Math Example--Quadratics--Conic Sections: Example 11</h1><p> This is part of a collection of math examples that focus on quadratic expressions, functions, and equations. </p>

<h1>Math Example--Quadratics--Conic Sections: Example 12</h1><p> This is part of a collection of math examples that focus on quadratic expressions, functions, and equations. </p>

<h1>Math Example--Quadratics--Conic Sections: Example 13</h1><p> This is part of a collection of math examples that focus on quadratic expressions, functions, and equations. </p>

<h1>Math Example--Quadratics--Conic Sections: Example 14</h1><p> This is part of a collection of math examples that focus on quadratic expressions, functions, and equations. </p>

<h1>Math Example--Quadratics--Conic Sections: Example 15</h1><p> This is part of a collection of math examples that focus on quadratic expressions, functions, and equations. </p>

<h1>Math Example--Quadratics--Conic Sections: Example 16</h1><p> This is part of a collection of math examples that focus on quadratic expressions, functions, and equations. </p>

<h1>Math Example--Quadratics--Conic Sections: Example 17</h1><p> This is part of a collection of math examples that focus on quadratic expressions, functions, and equations. </p>

<h1>Math Example--Quadratics--Conic Sections: Example 18</h1><p> This is part of a collection of math examples that focus on quadratic expressions, functions, and equations. </p>

<h1>Math Example--Quadratics--Conic Sections: Example 19</h1><p> This is part of a collection of math examples that focus on quadratic expressions, functions, and equations. </p>

<h1>Math Example--Quadratics--Conic Sections: Example 2</h1><p> This is part of a collection of math examples that focus on quadratic expressions, functions, and equations. </p>