1 / 5

Dilations

Dilations. Review. Mrs. Erickson. Dilations. The center of dilation is the origin. Stretching or shrinking Not an isometry. D k (x,y ) = ( kx,ky ). Dilations. y. A’ (2,6). D 2 (x,y ) = (2x,2y) A (1,3)  A’_____ B (3,2)  B’_____ C (2,0)  C’_____ Draw Δ ABC Draw Δ A’B’C’.

kaiser
Télécharger la présentation

Dilations

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Dilations Review Mrs. Erickson

  2. Dilations The center of dilation is the origin. • Stretching or shrinking • Not an isometry Dk(x,y) = (kx,ky)

  3. Dilations y A’ (2,6) D2(x,y) = (2x,2y) A (1,3)  A’_____ B (3,2) B’_____ C (2,0) C’_____ Draw ΔABC Draw ΔA’B’C’ B’ (6,4) A (1,3) (2,6) (6,4) B (3,2) (4,0) x C (2,0) C’ (4,0)

  4. Dilations y Draw parallelogram E (0,0) F (3,0) G (4,2) H (1,2) Draw parallelogram E’F’G’H’ under D3 10 H’ (3,6) G’ (12,6) H (1,2) G (4,2) F’ (9,0) x F (3,0) -10 10 E (0,0) E’ (0,0) -10

  5. Done! Hey, look outside… … made you look

More Related