8th Math STAAR Review Transformations

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CCSS.8.G.A.3

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CCSS.HSG.CO.A.2

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CCSS.HSG.CO.A.2

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CCSS.8.G.A.3

• If a is greater than 1, the image of the polygon is congruent to the polygon.

• If a is between 0 and 1, the image of the polygon is congruent to the polygon.

• If a is greater than 1, the image of the polygon is smaller than the polygon.

• If a is between 0 and 1, the image of the polygon is smaller than the polygon.

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CCSS.8.G.A.3

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CCSS.HSG.CO.A.2

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CCSS.HSG.CO.B.6

A transformation is applied to a figure to create a new figure on a coordinate grid. Which transformation does NOT preserve congruence?

• A rotation of 270 counterclockwise.

• A reflection across the y-axis

• A dilation by a scale factor of 1.5

• A translation of 50 units down

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CCSS.HSG.CO.A.2

Which representation of a transformation on a coordinate grid does NOT preserve congruence?

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CCSS.HSG.CO.A.2

A figure was transformed on a coordinate grid using the rule (x,y) -> (-x, -y). Which of the following describes this transformation?

• A reflection across the x-axis

• A reflection across the y-axis

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5