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Doug Ray

  • Solving Proportions

    Activity

    Doug Ray

  • 1329 - 2.1 - Difference Quotient In Action (The Derivative)

    Activity

    Doug Ray

  • Definition of an Ellipse

    Activity

    Doug Ray

  • Copy of Basic Conic Section - Parabola

    Activity

    Doug Ray

  • 1329 - 2.1 - Difference Quotient In Action

    Activity

    Doug Ray

  • Polar Graphs - Investigation

    Book

    Doug Ray

  • Polar Graphs - 5

    Activity

    Doug Ray

  • PreCalculus

    Book

    Doug Ray

  • Rectangle Inscribed in Semicircle

    Activity

    Doug Ray

  • Creating the Sine Graph

    Activity

    Doug Ray

  • Graphical relationship between a function and its derivative

    Activity

    Doug Ray

  • College Algebra

    Book

    Doug Ray

  • PSIA - Special Math Topics - 2018-19 - Question 1

    Activity

    Doug Ray

  • PreCal - Chapter 2 - Part 2 - Written Homework #2

    Activity

    Doug Ray

  • PSIA - Special Math Topics - 2018-19 - Question 9

    Activity

    Doug Ray

  • PSIA -- Special Math Topics -- 2018-19

    Book

    Doug Ray

  • PSIA - Special Math Topics - 2018-19 - Question 4

    Activity

    Doug Ray

  • PSIA - Special Math Topics - 2018-19 - Question 12

    Activity

    Doug Ray

  • Investigating the Law of Sines

    Activity

    Doug Ray

  • Symmetry over the y-axis

    Activity

    Doug Ray

  • Symmetry over the origin

    Activity

    Doug Ray

  • Symmetry over x-axis

    Activity

    Doug Ray

  • Reflections

    Activity

    Doug Ray

  • Horizontal Stretch

    Activity

    Doug Ray