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2.3 Dilations

Last updated over 8 years ago

12 Nsɛmmisa

By the end of this playlist, I can...

-dilate a polygon about a given point in the coordinate plane

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1.

I've completed the video or mini-lesson on dilations about the origin and understand how to complete the example.

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Asemmisa {{asɛmmisaAhyɛnsode}}

2.

I've completed the video or mini-lesson (or figured it out for myself) on dilations about a point other than the origin and understand how to complete the example.

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Try a few of these practice problems on basic dilations. Move on when ready.

Challenge (optional):

Try a few of these more challenging practice problems on dilations. Move on when ready.

Try a few of these even more challenging practice problems on dilations. Move on when ready.

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3.

Write the coordinates of S', the image of S after a dilation with a scale factor of 1/3, centered at the origin.

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4.

Write the coordinates of T', the image of T after a dilation with a scale factor of 1/3, centered at the origin.

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5.

Write the coordinates of U', the image of U after a dilation with a scale factor of 1/3, centered at the origin.

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6.

Write the coordinates of D', the image of D after a dilation with a scale factor of 2.5, centered at the origin.

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7.

Write the coordinates of E', the image of E after a dilation with a scale factor of 2.5, centered at the origin.

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8.

Write the coordinates of F', the image of F after a dilation with a scale factor of 2.5, centered at the origin.

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9.

Write the coordinates of G', the image of G after a dilation with a scale factor of 2.5, centered at the origin.

10

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10.

The orange shape is a dilation of the black shape. What is the scale factor of the dilation?

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11.

The blue shape is a dilation of the black shape. What is the scale factor of the dilation?

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12.

I've completed the dilations practice, checked my answers, and feel confident in my ability to perform dilations like them.

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Ɛnyɛ ampa