Geometry Section 2-5 Part 2

• (1, -3), (-1, 3), (3, 1)

• (-7, 7), (1, 4), (-4, 1)

• (-5, 1), (3, -2), (-2, -5)

• (-9, 5), (-1, 2), (-6, -1)

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

• 16/5

• 4/5

• 2

• 34/5

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CCSS.8.G.A.3

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CCSS.7.G.A.1

• (-9, 6), (-6, -9), (-6, 9), (3, -2), (9, 6)

• (-6, 9), (-9, -6), (-6, 9), (3, -2), (9, -6)

• (3, -2), (-6, -9), (-6, 9), (-9, 6), (9, 6)

• (9, 6), (6, -9), (-6, 9), (-3, 2), (9, -6)

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CCSS.HSG.CO.A.2

If you wanted to reflect a line segment with one endpoint at (x,y) about the x-axis, which of the following describes how you might go about finding the coordinates for the new point after the reflection?

• (x, -y)

• (-x, y)

• (y, x)

• (-y, -x)

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Audra was drawing a perpendicular bisector of segment AB with a compass. She started with line segment AB. Then, she placed her compass point on A and opened the compass more than halfway to B. Which of the following is Audra's next step?

• Take a protractor and measure a right angle from the middle of segment AB.

• Using the width of the compass from the previous step, draw an arc on segment AB.

• Using the width of the compass from the previous step, draw two arcs to the left and right of both A and B.

• Using the width of the compass from the previous step, draw large arcs both above and below segment AB.

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CCSS.HSG.CO.C.9

• A'B'C' is a clockwise rotation of ABC.

• ABC is translated 3 units to the right and 1 unit up into A'B'C'.

• One triangle is a reflection of the other.

• The transformation of ABC to A'B'C' is a rigid motion.

• A'B'C' is not a geometric transformation of ABC.

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which of the following statements are true? Select all that apply.

• The image of the point (-3, -5) under a reflection across the x-axis is (3, -5).

• The image of the point (1, 9) under a reflection across the y-axis is (1, -9).

• The image of the point (8, 7) under a reflection across the line y=-x is (-7, -8).

• The image of the point (-6, -6) under a reflection across the line y=x is (-6, -6).

• The image of the point (2, 4) under a reflection across the y-axis followed by a reflection across y=x is (-2, -4).

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Suppose you have segment AB on a coordinate plane located at A(-3, -4) and B(5, -4). Under a dilation centered at (9,0), segment AB becomes segment A'B' with coordinates A'(6, -1) and B'(8, -1). What is the scale factor for this dilation?

• 1/4

• 1/3

• 1/2

• 2

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CCSS.8.G.A.3

Which of the following is a non-rigid transformation?

• Translation

• Dilation

• Rotation

• Reflection

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5