3/1 Transformation Review

If point H(–6, 2) is translated 4 units up and 3 units right, what are the coordinates of the translated image?

• (-2, 5)

• (-3, 6)

• (-9, -2)

• (-9, 6)

Point N(6, –5) is reflected across the

x-axis. What are the coordinates of the image?

• (-6, -5)

• (-5, 6)

• (5, -6)

• (6, 5)

Triangle LMN has vertices L(–1, 4), M(–2, 4), and N(–1, –1). What are the coordinates of the image of point M after a dilation with a scale factor of 3?

• (-6, 12)

• (-6, 4)

• (-2, 12)

• (12, -6)

Point A(3, 5) was dilated, and the point after dilation was A’(6, 10).  What was the scale factor used?

• 1/2

• 2

• 1

• 3

What scale factor was used for the dilation shown?

• 1/2

• 1

• 2

• 3

Describe the transformation:

(x, y) -> (x-2, y+7)

• Translation 2 units to the left & 7 units up

• Translation 2 units to the left & 7 units down

• Translation 2 units to the right & 7 units up

• Translation 2 units to the right & 7 units down

Describe the transformation:

(x, y) -> (x, -y)

• reflection across the x-axis

• reflection across the y-axis

• rotation 90 degrees clockwise

• rotation 90 degrees counterclockwise

A mirror image of a figure

• Translation

• Reflection

• Rotation

• Dilation

Turning around a point

• Translation

• Reflection

• Rotation

• Dilation

To change the size of a figure

• Translation

• Reflection

• Rotation

• Dilation