Wednesday April 9, 2014 Bell Ringer:

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# Wednesday April 9, 2014 Bell Ringer: - PowerPoint PPT Presentation

Wednesday April 9, 2014 Bell Ringer:. Show your work!. What We are Learning Today:. To perform Dilations in the coordinate plane. What You Need To Do:. Follow along with the video and TAKE NOTES! TAKE NOTES TAKE NOTES If you have not noticed…TAKE NOTES

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Presentation Transcript

### Wednesday April 9, 2014Bell Ringer:

What We are Learning Today:
• To perform Dilations in the coordinate plane
What You Need To Do:
• Follow along with the video and TAKE NOTES!
• TAKE NOTES
• TAKE NOTES
• If you have not noticed…TAKE NOTES
• Today’s notes follow the video so…fill in the missing information!
• Dilations in the Coordinate Plane
• Stop at 4:13
Definitions:
• Dilation:
• Scale Factor (also known as k factor):
• >1
• <1
Definitions:
• Similar:
• Center of Dilation:
Example 1:

Dilate ∆ABC by a factor of 2. Use the ORIGIN as the center of dilation.

B

Notes:

A

C

Things to Know From this Dilation:
• How do we check our dilation?
• What happens to the distances from the point of dilation?
Example 2:

Dilate ∆ABC by a factor of ¼ . Use the ORIGIN as the center of dilation.

B

Notes:

A

C

Practice Time:
• 6.7 Dilations Worksheet
• Work AT THE BOARD!
• For the new points:
• Write them on the board
• For the dilations:
• Draw the Dilated Image on the laminated coordinate plane