8.7 translations and rotations 2

Daily Homework Quiz For use after Lesson 8.7 2. Where have you seen a translation today? 1. RST has vertices R (–1, 4) , S (3, 4) , and T (2, –3) . Find the vertices of its image after the translation ( x , y ) -> ( x – 4 , y + 5). ∆

Daily Homework Quiz For use after Lesson 8.7 2. Where have you seen a translation today? 1. RST has vertices R (–1, 4) , S (3, 4) , and T (2, –3) . Find the vertices of its image after the translation ( x , y ) -> ( x – 4 , y + 5). ∆ ANSWER R' (–5, 9), S' (–1, 9), T' (–2, 2)

Translations and Rotations Section 8.7 P. 439 - 443

Essential Questions ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Try this on graph paper! ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],A’ (1,-1) B’ (1, -3) C’ (3, -3) D’ (4, -1)

GUIDED PRACTICE for Example 2 and 3 Graph A (1, 1), B (3, 1), C (3, 3), and D (1, 4) . Find its image after the given rotation. A’ (1,-1) B’ (1, -3) C’ (3, -3) D’ (4, -1) ,[object Object],[object Object],2. 90 clockwise ANSWER

Try these on graph paper ,[object Object],[object Object],[object Object]

Graph A (1, 1), B (3, 1), C (3, 3), and D (1, 4) . Find its image after a 90° counterclockwise rotation. ,[object Object],[object Object],A’ (-1,1) B’ (-1, 3) C’ (-3, 3) D’ (-4, 1)

GUIDED PRACTICE for Example 2 and 3 Graph A (1, 1), B (3, 1), C (3, 3), and D (1, 4) . Find its image after the given rotation. A’ (-1,1) B’ (-1, 3) C’ (-3, 3) D’ (-4, 1) ,[object Object],[object Object],3. 90 counterclockwise ANSWER

[object Object],[object Object],[object Object],[object Object]

GUIDED PRACTICE for Example 2 and 3 Graph A (1, 1), B (3, 1), C (3, 3), and D (1, 4) . Find its image after a 180° rotation. ,[object Object],[object Object],A’ (-1,-1) B’ (-3, -1) C’ (-3, -3) D’ (-1, -4)

GUIDED PRACTICE for Example 2 and 3 Graph A (1, 1), B (3, 1), C (3, 3), and D (1, 4) . Find its image after the given rotation. A’ (-1,-1) B’ (-3, -1) C’ (-3, -3) D’ (-1, -4) ,[object Object],[object Object],4. 180 ANSWER

8.7 translations and rotations 2

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8.7 translations and rotations 2