Unit 8a: Congruence and Similarity

Determine which figure is a translation of Figure 1.

• Figure A

• Figure B

• Figure C

• Figure

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8.GM.A.3

Draw the line of reflection.

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8.GM.A.2a

Rotate this figure 90° clockwise. Label the coordinate of Point D’.

• (-2, 2)

• (-4, 2)

• (-4, 4)

• (-2, 4)

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8.GM.A.3

Which figure is the image of Figure 1 after a reflection over the y-axis and a translation 3 units down?

• Figure A

• Figure B

• Figure C

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8.GM.A.3

What two transformations would show that the two figures are congruent?

• Reflection

• Translation

• Dilation

• Rotation

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8.GM.A.2a

Select the 2 following statements that are true about an image after a dilation?

• The two figures will always have the same shape.

• The angles of both figures will always be the same.

• The side lengths of both figures will always be the same.

• The angles of both figures will always be different.

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8.GM.A.1a

What is the scale factor in which the figure was dilated?

(a)  

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8.GM.A.3

Dilate the figure to the left with a scale factor of 3. A(2, 2), B(4, 6), C(6, 2) What are the coordinates of B'?

• (6, 6)

• (12, 18)

• (18, 6)

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8.GM.A.2a

Graph the point: A(-1, -1)

Reflect the point over the x-axis

Translate the newest image left 4 and up 2

Graph the point: C(-3, -7)

• Translate the newest image (x + 9, y + 9)

• Rotate the newest image 90 degrees Clockwise