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8 Cards in this Set
- Front
- Back
transformations
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Moving a shape so that it is in a different position, but still has the same size, area, angles and line lengths.
Turn, flip or slide are the basic moves. |
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Translation
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slide
(x + #, y +#) moves to the right and up (x - #, y + #) moves the the left and up (x + #, y - #) moves to the right and down (x - #, y - #) moves to the left and down |
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Reflection
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flip
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Reflection about the x - axis
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your x-term stays the same
and your y-term changes signs (x, y) goes to (x, -y) or (x, -y) goes to (x, y) |
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Reflection about the y-axis
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your y-term stays the same
and your x-term changes signs (x, y) goes to (-x, y) or (-x, -y) goes to (x, -y) |
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Dialations
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size change to create similar figures
(multiplying by a scale factor) |
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Dialation (enlargement)
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Scale factor is larger than 1
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Dialation (reducing)
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scale factor is smaller than 1
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