TODAY IN GEOMETRY…  Warm Up: Translations and Reflections WS  Learning Target : 9.4 Given a pre-image, create an image by transformation by rotation.

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Presentation transcript:

TODAY IN GEOMETRY…  Warm Up: Translations and Reflections WS  Learning Target : 9.4 Given a pre-image, create an image by transformation by rotation  Independent Practice  Exit Task - Transformations

TRANSLATION/SLIDE: TRANSFORMATIONCOORDINATE RULEEXAMPLE Translation (shift)

TRANSLATION/SLIDE: TRANSFORMATIONCOORDINATE RULEEXAMPLE Translation (shift)

TRANSLATION/SLIDE: TRANSFORMATIONCOORDINATE RULEEXAMPLE Translation (shift)

GLIDE REFLECTION: a 2-step transformation: STEP 1a translation STEP 2a reflection over a line parallel to the direction of the translation Moved to the left Line parallel to the direction of the translation

COMPOSITION OF TRANSFORMATIONS: the composition of two or more isometries. ISOMETRY: a transformation that does not change the length of the angles of an image. Examples of isometries: Translation Reflection Rotation

What about transformations that are not isometries??? ENLARGE SHRINK

Multiply x’s by 3

Multiply y’s by 2

Multiply x’s by 3 AND y’s by 2

Multiply x’s by 0.5 AND y’s by 0.5

HOMEWORK #2: Pg. 602: 12-14, 23, 26-28, 36 Pg. 611: 4-12 even, If finished, work on other assignments: HW #1: Pg. 576: 3-14, 31 Pg. 593: 3-6, 8-10, 27-29