TransformationsLESSON 26 POWER UP F PAGE 169

Transformations

The new image is read as “A prime, B prime, C prime”

Reflection (Flip)

Reflection (Flip) Triangle reflected across the x axis Points are same distance across the x axis

Reflection (Flip) Triangle reflected across the y axis Points are same distance across the y axis

Rotation (Turn)

Rotation (Turn) Positive rotation is counter-clockwise Negative rotation is clockwise

Rotating around the origin

Translation (Slide)

Translation (Slide) Use (a, b) to describe the translation. a: horizontal shift left (-) & right (+) b: vertical shift up (+) & down (-) Translation of (4, -3)

Dilation (Enlargement)

Dilation (Enlargement) Scale factor: the ratio of any two corresponding lengths Base of big triangle = 4 Base of small triangle = 2