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Website
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Parabola Problems

For Students 9th - 10th
Dr. Math tackles a problem about culverts. This is in response to question posed by a student.
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Website
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Equation of a Parabola

For Students 9th - 10th
Dr. Math, in a reply to a student question, shows how a parabola is just a quadratic equation.
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Website
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Parabolic Equation of an Arch

For Students 9th - 10th
A student, in writing to Dr. Math, wants to know how to find the equation of the parabola of McDonald's arches. Dr. Math helps the student get started with the problem.
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Website
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Equation for an Arch

For Students 9th - 10th
A student with a summertime carpenter job asks Dr. Math how to draw an arch. Dr. Math responds by showing how the equation of the parabola can be generated by having three distinct points of the parabola known.
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Website
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Area of a Parabola

For Students 9th - 10th Standards
Dr. Math helps a student find the area enclosed by a parabola and an ellipse.