2.3 Dilations

Last updated about 8 years ago

12 questions

2.3 Dilations

Last updated about 8 years ago

12 questions

By the end of this playlist, I can...
-dilate a polygon about a given point in the coordinate plane

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

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.

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.

2.3 Dilations

2.3 Dilations

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

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.

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

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

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

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

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

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

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

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

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

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

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.

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

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

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

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

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

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

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

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

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

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

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