7th grade math transformation cards
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| A 90 degrees clockwise / 270 degrees counterclockwise rotation would have which rotation rule? | (x,y) turns into (y, -x)
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| 180 degrees of rotation would have which rotation rule? | (x,y) turns into (-x,-y)
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| A 270 degrees clockwise / 90 degrees counterclockwise rotation would have which rotation rule? | (x,y) turns into (-y,x)
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| What is a transformation in which a figure is rotated, or turned, about a fixed point? | Rotation
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| What is the technical term for the coordinates (0,0)? | Origin
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| What transformation is a mirror image of the original figure? | Reflection
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| When flipping over the x-axis what happens to the y-coordinate in a reflection? | The y-coordinate becomes opposite
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| When flipping over the y-axis what happens to the x-coordinate in a reflection? | The x-coordinate becomes opposite
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| What is the pre-image in a transformation? | The original shape or image
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| What is the image in a transformation? | What you get after the transformation
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| How does the figure change in a dilation? | It changes size
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| what do you do to the coordinated during dilation? | You multiply the coordinates by the scale factor
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| Scale factor > 1 = ___________ | Enlarged
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| Scale factor < 1 = _____________ | Reduced
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| Scale factor = 1 = ____________ | Stays the same
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