Geometry - commoncoremath2atdsa



CCII Transformation Practice Name _______________________ A#_____

Summarize Transformation Ordered Pair Rules:

|Transformation |Ordered Pair Rule |Word Description |

|Rotation of 90° CCW |(x, y) ( (-y, x) |Switch the x and y. Take the opposite of the original |

| | |y value. |

|Rotation of 180° | | |

|Rotation of 270° CCW | | |

|Reflection over x-axis | | |

|Reflection over y-axis | | |

|Translation | | |

Memorization Strategies: Look over the rules above and write down at least 4 strategies for memorizing the rules.

In exercises 1 – 3, draw the image according to the rule and identify the type of transformation.

Honors:

Complete the ordered pair rule that transforms each triangle to its image. Identify the transformation and find the missing coordinates.

| |(x, y) ( __________ | |(x, y) ( __________ |

| |[pic] | |[pic] |

| |Transformation: | |Transformation: |

| | | | |

| |C ______ B’ _______ | |R ________ |

Use the graphs below to help answer the following questions.

4. Translate ΔXYZ 4 units horizontally in the negative direction. What are the coordinates of ΔX’Y’Z’?

5. Δ XYZ is reflected over x-axis. What are the coordinates ΔX’Y’Z’? Draw the new figure on the grid below.

6. ΔPQR is reflected over the y-axis. What are the coordinates of ΔP’Q’R’?

7. ΔPQR is rotated 270° CCW. What are the coordinates of ΔP’Q’R’? Draw the new figure on the grid below.

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