Curated OER
Windsail Design
Students fit quadratic models to windsail designs. For this fitting quadratic models to windsail designs lesson, students compare quadratic models of sails with different measurements and mast size. Students vary the a-value for a sail...
Curated OER
Lesson #150 Parabolas
Students investigate graphing. In this parabola lesson, students review finding the vertex, focus, and diretex of a parabola. An assignment is listed, but not included with the lesson.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Parabola Problems
Dr. Math tackles a problem about culverts. This is in response to question posed by a student.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Equation of a Parabola
Dr. Math, in a reply to a student question, shows how a parabola is just a quadratic equation.
Texas Instruments
Texas Instruments: Exploring Standard Form of a Quadratic Function
Students explore y=ax^2+bx+c using the transform graphing application. Teacher calculator is used with Navigator to send device settings, the equation format and initial coefficient values to all students. Worksheet includes all student...
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Parabola Equation
Dr. Math, in a reply to a student's question, describes how to obtain the equation of a parabola.
Windstream
Ojk's Precalculus Study Page: Parabolas
Good study tutorial about parabolas. There are examples of finding the equation of the parabola or the focal point and directrix that students can examine and attempt.