Congruence Transformations

Which of the following images shows a rotation of 180^o?

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Line segment AB is translated left 2 units and down 4 units to form line segment A'B'. What is the distance between point A' and point B'?

• 2 units

• 4 units

• 6 units

• 8 units

What will be the new position of the given point after a reflection across the y-axis?

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Which series of transformations were performed in the figure?

• Translation 5 units down, reflection over the y-axis

• Reflection over the x-axis, translation 6 units right

• Rotation 90^o clockwise, reflection over the x-axis

• Rotation 180^o clockwise, reflection over the y-axis

What will be the new position of the given point after rotating 90^o counterclockwise or 270^o clockwise?

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Which of the following images shows a rotation of 180^o?

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If triangle PQR is translated 2 units up and 7 units right, which best represents the coordinates of the new figure?

• P'(4,-1), Q'(6,-1), R'(7,3)

• P'(2,-1), Q'(4,-1), R'(5,3)

• P'(1,0), Q'(3,0), R'(4,2)

• P'(2,-2), Q'(4,-2), R'(5,2)

Triangle VWX has vertices V(3,4), W(-3, 5) and X(9,4). A translation maps the point v to V'(0,6). What are the coordinates of X'?

• (6,2)

• (6,6)

• (12,2)

• (-6,7)

The image shows what type of transformation

• Rotation
• Translation
• Reflection

What transformation is happening to the red triangle to get to the blue triangle?

• Translation
• Rotation
• Reflection