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4 Cards in this Set
- Front
- Back
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Dilation |
"Enlargements or Reductions" Dilations enlarge or reduce an object by a scale factor. "enlarge n object, multiply both x and y by a scale factor >1 "reduce" an object, multiply both x and y by a scale factor <1 In the transformation to the right triangle BAC -> triangle DFE is being "reduced by a scale factor of one half. Each x and y value is multiplied by one half, resulting in the triangle getting smaller proportionally. |
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90 |
Rule, (x,y) (-y,x) |
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180 |
Rule, (x,y) (-x,-y) Same as a reflection in the origin |
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270 |
Rule, (x,y) (y,-x) |
