Translations Teacher Twins©2014.

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Presentation transcript:

Translations Teacher Twins©2014

Warm Up Use rotation rules to write the ordered pairs for triangle ABC, A(3, 9) B(-2,5) C(4,-6), when it is rotated 90⁰ counter clockwise.

Warm Up Answers A’ (-9,3) B’ (-5,-2) C’(6, 4)

Translations

A translation is a transformation that moves a figure a certain distance in a given direction.

Triangle ABC is translated 4 units right and 2 units down.

A (- 6, 4) A’ (-2, 2) B (1, 3) B’ (5, 1) C (- 3, - 2) C’ (1, -4) Right 4 units and down 2 units (x, y) (x + 4), (y – 2)

Right four units and down 2 units (x, y) (x + 4), (y – 2) A (- 6, 4) A’ (-2, 2) B (1, 3) B’ (5, 1) C (- 3, - 2) C’ (1, -4) X axis left (negative - ) or right(positive +) Y axis down(negative -) or up(positive +) Right four units and down 2 units (x, y) (x + 4), (y – 2) A (- 6, 4) A’ (-2, 2) B (1, 3) B’ (5, 1) C (- 3, - 2) C’ (1, -4)

Practice Translate triangle ABC 3 units left and 4 units up. Write the new ordered pairs. Triangle ABC A (-1, 4), B (0,-3), C (2, 3)

Closure Write the rule for translating a figure 5 units left and 6 units down.