Lesson 5-6 Transformations

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Presentation transcript:

Lesson 5-6 Transformations Obj: I can transform plane figures using translations, rotations and reflections HWK: p 228 1-26 all Vocab: 1) transformation 2) image 3) translation 4) reflection 5) rotation 6) center of rotation

Ex 1) Graph the translation of ΔABC 3 units left and 4 units up

Ex 2) Graph the translation of ΔABC 2 units right and 3 units down

Ex 3) a) What are the coordinates of ΔABC in Ex 1 before and after the translation? Write a rule to get from A to A΄

Ex 3) b) What are the coordinates of ΔABC on Ex 2 before and after the translation? Write a rule to get from A to A΄

Ex 3) c) What do you notice about the rule you came up with and the way that you translated each figure?

Ex 4) Graph the reflection of ΔABC across the y-axis

Ex 5) Graph the reflection of quadrilateral ABCD across the y-axis

Ex 6) Graph the reflection of quadrilateral ABCD across the x-axis D C

Ex 7) a) What are the coordinates of ΔABC in Ex 4 before and after the reflection? Write a rule to get from A to A΄.

Ex 7) b) What are the coordinates of quad ABCD in Ex 5 before and after the reflection? Write a rule to get from A to A΄.

Ex 7) c) What are the coordinates of quad ABCD in Ex 6 before and after the reflection? Write a rule to get from A to A΄.

Ex 7) d) What do you notice about the rule you came up with and the way that you reflected each figure?

Ex 8) Graph the rotation of ΔABC of 90°, 180°, and 270° around the origin C B

Ex 9) Graph the rotation of ΔABC of 90°, 180°, and 270° around the origin C B

Ex 10) a) What are the coordinates of ΔABC in Ex 9 before and after the rotations? Write a rule.

Ex 10) b) What do you notice about the rule you came up with and the way the figure is rotated?