## Welcome to Bill Tankersley's EMT 668 Page !!

**Send email to wjtank@aol.com
(home) or btankersley@ccboe.net
(work)**

**These pages were last modified Fall Quarter, 1997**

# Write-Ups from Class Assignments

### Write-up 1 - An investigation
of graphs of the form

Write-up 2 - An investigation
of graphs of the form

Write-up 3 - Some different ways
to examine

Write-up 4 - Location of the
Orthocenter (H) for various shapes of triangles

Write-up 5 - Geometer's Sketchpad
(GSP) Script Library

Write-up 6 - Investigation of possible relationships between a triangle
and its triangle of medians

Write-up 7 - Investigation involving
Tangent Circles

Write-up 8 - Altitudes and Orthocenters

Write-up 9 - Pedal Triangles
- What happens when Pedal Point P coincides with a vertex of triangle ABC?

Write-up 10 - Parametric Curves
- investigation of x = cos(at) and y = sin(bt) for values of t between and
including 0 to 2 pi

Write-up 11 - Polar Equations

Write-up 12 - Using Spreadsheets

Final Project - (Part
1) (Part
2) (Part
3)

EMT 600 Page - GSP lessons/demonstrations
on secants and tangents to a circle from a common point in the plane.

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