Chapter 9 Test Review - Transformations

Which transformations produce congruent figures? Mark all that apply.

• Translations

• Reflections

• Rotations

• Dilations

Which transformations produce figures that have sides that are proportional? Mark all that apply.

• Translations

• Reflections

• Rotations

• Dilations

Reflect the point (2, -4) over the y-axis.

Th point (3,2) is reflected over the line x-axis. What are the coordinates of the new point?

Reflect the point (-3, -2) is reflected over the line y = -x. What are the coordinates of the new point?

A'(-4, -2) is the result of a reflection of point A(-2, -4). Which of the following represents the line of reflection?

• y = x

• y = -x

• x = -3

• y = -3

• x - axis

What are the coordinates of M' after the following transformation?

(x, y) --> (x + 3, y - 2)

Which rule would result in a translation shown at the left?

• (x, y) → (2x, 3y)
• (x, y) → (x - 2, y + 3)
• (x, y) → (-x, -y)
• (x, y) → (x + 2, y - 3)

Dilate Point B by a scale factor of 1/2

• (1.5,-4)
• (-1.5,1)
• (-1,-1.5)
• (-2,-2)

The point A'(8, 12) is a dilation of point A(2, 3). What was the scale factor?