Transformations Review M7G2: Students will demonstrate understanding of dilations, translations, rotations, and reflections of figures.

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Presentation transcript:

Transformations Review M7G2: Students will demonstrate understanding of dilations, translations, rotations, and reflections of figures.

Translations A translation is a transformation that SLIDES a figure.

Translations Translate the points given the following rule. Point: (-3, 11) Rule: (x + 3, y – 8) Point: (7, -5)Rule: (x, y – 6) Click Here For Answer! (0, 3) (7, -11)

Translations Find the rule by which each point was translated. Point A: (2, -9) Point A’: (4, 1) Point C: (-5, 7)Point C’: (-6, -3) Click Here For Answer! (x + 2, y + 10) (x - 1, y - 10)

Reflections A reflection is a transformation in which a figure is FLIPPED.

Reflections Reflect the points given the following rule. Point: (-12, 21) Rule: Over the x- axis Point: (7, -8)Rule: Over the y- axis Click Here For Answer! (-12, -21) (-7, -8)

Rotations A rotation is a transformation that TURNS a figure about a point.

Dilations A dilation is a transformation in which a figure is ENLARGED or REDUCED.

Dilations Dilate the points given the following rule. Point: (4,10) Rule: 90 o Clockwise Point: (-9, -1)Rule: 90 o Counter-Clockwise Point: (2, 5)Rule: 180 o Click Here For Answer! (10, -4) (1, -9) (-2, -5)

Dilations Dilate the points given the following rule. Point: (5, 15) Rule: 50% Point: (8, -4)Rule: 125% Point: (-12, 16)Rule: 75% Click Here For Answer! (2.5, 7.5) (10, -5) (-9, 12)

Dilations Find the dilation percentage for each point and its image. Point T: (-2, -8) Point T’: (-3, -12) Point A: (-20, 4)Point A’: (-15, 3) Click Here For Answer! 66% 133%