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Inv#5.notebook                                                    January 24, 2013


           Assignment-->

           1-->Inv. #5, pg. 345, #11-14 all - Due Monday (1/28)
Inv#5.notebook                                                                  January 24, 2013

            Investigation #5:
            REVIEW-->
            *transformations - the changing of a figure's position or form.

            *reflection - a "flip" - oftentimes over either the x-axis or the y-axis

            *rotation - a "turn" on a certain point - oftentimes the rotation
            happens in 90 degree increments

            *translation - a "slide" - oftentimes both a horizontal shift & a
            vertical shift (4, 2)--means 4 units to the right and up 2 units
Inv#5.notebook                                                                     January 24, 2013



            *dilation - an enlargment of a figure
                     scalefactor
            *contraction - a reduction of a figure

            FYI...to complete a dilation or a contraction on a figure - multiply
            the coordinates of the figure by the scale factor to get the
            coordinates of the new figure

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8th pre alg -inv#5--jan24

  • 1. Inv#5.notebook January 24, 2013 Assignment--> 1-->Inv. #5, pg. 345, #11-14 all - Due Monday (1/28)
  • 2. Inv#5.notebook January 24, 2013 Investigation #5: REVIEW--> *transformations - the changing of a figure's position or form. *reflection - a "flip" - oftentimes over either the x-axis or the y-axis *rotation - a "turn" on a certain point - oftentimes the rotation happens in 90 degree increments *translation - a "slide" - oftentimes both a horizontal shift & a vertical shift (4, 2)--means 4 units to the right and up 2 units
  • 3. Inv#5.notebook January 24, 2013 *dilation - an enlargment of a figure scalefactor *contraction - a reduction of a figure FYI...to complete a dilation or a contraction on a figure - multiply the coordinates of the figure by the scale factor to get the coordinates of the new figure