Unit 2 - Rigid Motions

A single reflection is an example of a(n) ________ isometry.

• direct
• opposite
• rigid
• vector

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A rigid motion ...

• preserves size and location
• preserves shape and location
• preserves size and shape
• makes the figure larger

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CCSS.HSG.CO.A.2

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The rule for a rotation of 90° is ...

• (-y, x)
• (-x, -y)
• (y, -x)
• (y, x)

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CCSS.HSG.CO.A.2

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If you are performing a reflection in the x-axis, the rule is ....

• (-x, y)
• (x, -y)
• (x, y)
• (-x, -y)

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CCSS.HSG.CO.A.2

CCSS.HSG.CO.A.4

The rule for a rotation of 180° is ...

• (-x, y)
• (x, -y)
• (-x, -y)
• (y, x)

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CCSS.HSG.CO.A.2

CCSS.HSG.CO.A.4

If you are performing a reflection over the y-axis, the rule is ...

• (x, y)
• (-x, y)
• (x, -y)
• (y, x)

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CCSS.HSG.CO.A.2

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If you are performing a reflection in the line y=x, the rule is ...

• (x, y)
• (-x, y)
• (x, -y)
• (y, x)

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CCSS.HSG.CO.A.2

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Which transformation is NOT a rigid motion (the size changes)?

• reflection
• rotation
• dilation
• translation

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CCSS.HSG.CO.B.6

When performing a translation, or slide, you _____ the numbers to your x and y value in the point. 

• add
• subtract
• multiply
• divide

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CCSS.HSG.CO.A.2

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A __________ is a directed line segment that has both length and direction.  It is used when performing translations off the coordinate plane.

• vector
• rigid motion
• magnitude
• Gru

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CCSS.HSN.VM.A.1