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8.7 translations and rotations 1
- 1. Lesson 8.7 , For use with pages 439-444 How many lines of symmetry does the letter have? 2. 1.
- 2. Lesson 8.7 , For use with pages 439-444 How many lines of symmetry does the letter have? ANSWER 2 ANSWER 2 2. 1.
- 3. Translations and Rotations Section 8.7 P. 439 - 443
- 12. GUIDED PRACTICE for Example 1 1. Describe the translation from the blue figure to the red figure. SOLUTION Each point moves 5 units to the left and 4 units down. The translation is ( x , y ) -> ( x – 5, y – 4) .
- 13. ANSWER R' (–3, 7), S' (1, 7), T' (0, 0) 1. RST has vertices R (–1, 4) , S (3, 4) , and T (2, –3) . Translate the figure. ( x , y ) -> ( x – 2 , y + 3). ∆
- 14. EXAMPLE 1 Using Coordinate Notation Translate the figure. A (-5,4) B(-2,3) C(-2,0) D(-5,0) SOLUTION Each point moves 6 units to the right and 3 units down. The translation is ( x , y ) -> ( x + 6, y –3)
- 15. EXAMPLE 1 Using Coordinate Notation Translate the blue figure. A (-5,4) B(-2,3) C(-2,0) D(-5,0) ( x , y ) -> ( x + 6, y –3)