Transformations

​ (a)   , ​ rotations, and ​ reflections are three different types of what?

(b)  

• rigid transformations
• geometry
• vectors
• shapes
• translations
• dilations

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CCSS.MATH.CONTENT.HSG.CO.A.2

Match the following

• Rotation

• 
• Reflection

• 
• Translation

• 

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CCSS.MATH.CONTENT.HSG.CO.A.2

On the Diagram, label which is the PRE-IMAGE and which is the IMAGE!

Hint: Remember PRIME notation :)

a

b

PRE-IMAGE

IMAGE

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CCSS.MATH.CONTENT.HSG.CO.A.2

Identify the transformation.

• Reflection across y-axis
• 90 Rotation counter clockwise
• Translation 5 units left, 1 unit up.
• Translation 5 units right, 1 unit down

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CCSS.MATH.CONTENT.HSG.CO.A.2

Identify the transformation.

• Reflection across y axis
• Reflection across x-axis
• 180 Rotation
• Translation 2 units down

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CCSS.MATH.CONTENT.HSG.CO.A.2

Organize these options into the right categories

Groups:

(a) Translation

,

(b) Reflection

,

(c) Rotation

,

(d) Dilation (Challenge😄)

• 
• 
• 
• 
• 
• 
• 
• 

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CCSS.MATH.CONTENT.HSG.CO.A.2

Describe the transformation:

(x, y) -> (x-2, y+7)

• Translation 2 units to the left & 7 units up

• Translation 2 units to the left & 7 units down

• Translation 2 units to the right & 7 units up

• Translation 2 units to the right & 7 units down

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CCSS.MATH.CONTENT.HSG.CO.A.2

Answer explanation

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CCSS.MATH.CONTENT.HSG.CO.A.2

Describe the transformation.

• translation: right 4 and up 6
• reflection across x=-2
• translation right 6 and down 1
• reflection across y=-2

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CCSS.MATH.CONTENT.HSG.CO.A.2

Point N(6, –5) is reflected across the

x-axis. What are the coordinates of the image?

• (-6, -5)

• (-5, 6)

• (5, -6)

• (6, 5)

Answer explanation

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CCSS.MATH.CONTENT.HSG.CO.A.2