Geometry Unit Review Transformations

Write a rule to describe the transformation.

• Reflection of y=x

• Translation of (2,4)

• Rotation of 180 degrees

• Dilation of -2

Write a rule to describe the transformation.

• Reflection across the x-axis

• Rotation of 90 Counterclockwise 

• Translation of (0, 4)

• Translation of (0, -4)

Find the coordinates of the vertices after the given transformation.
Rotation 90 degrees counterclockwise about the origin
K(4,-6)

• K'(-6,4)

• K'(-4,6)

• K'(6,4)

• K'(-6, -4)

Find the coordinates of the vertices after the given transformation.
Reflection across x-axis, then translated (-2,5)
W(3,-4)

• W'(1,1)

• W'(1, 9)

• W'(-5,9)

• W'(4,3)

Determine whether the figure has rotational symmetry, reflectional symmetry, both, or neither.

• Rotational

• Reflectional

• Both

• Neither

Determine whether the figure has rotational symmetry, reflectional symmetry, both, or neither.

• Rotational

• Reflectional

• Both

• Neither

Mariela drew the smaller triangle first. Then she dilated the image to produce a larger triangle. Which algebraic expression best describes the dilation?

• (x,y) --> (2.5x, 2.5y)

• (x,y) --> (x+3, y+3)

• (x,y) --> (5x, 5y)

• (x,y) --> (x+5, y+5)

Which transformation is illustrated?

• Translation about the y-axis

• Reflection about the y-axis

• Dilation with a scale factor of 4

What are the coordinates of W'?

• (-1, -4)

• (1, 4)

• (-1, 4)

• (1, -4)

Quadrilateral QIEK is reflected across the line y = -x. What are the coordinates of E'?

• (-3, 3)

• (3, 3)

• (-3, -3)

• (3, -3)