Eoc Test Questions

Write a rule for the translation.

• (x -1, y + 2)

• (x -2, y + 1)

• (x +2, y - 1)

• (x +1, y - 2)

• Not enough information to write a rule.

Tags

Transformations Rules

Identify the transformation from ABC to A'B'C'.

• 90^o clockwise rotation

• 90^o counter clockwise rotation

• Reflection across the y-axis

• Reflection across the x-axis

• Translation down 2 units

Tags

Transformations

Identify the transformation from ABCD to A'B'C'D'.

• Translation (x,y) -->(x-7,y)

• Reflection across the y-axis

• Reflection across the x-axis

• 90^o counter clockwise Rotation

• Translation (x,y) --> (x+7, y)

Tags

Transformations

Which rule would dilate shows a scale factor of 4

• (x, y) → (y, x)

• (x, y) → (x + 4, y + 4)

• (x, y) → (x - 4, y -4)

• (x, y) → (4x, 4y)

• (x, y) → (1/4x, 1/4y)

Tags

Transformations Rules

Dilations

What is the rule for the dilation pictured below?

• (x, y) → (½x, ½y)

• (x, y) → (x + 2, y + 2)

• (x, y) → (2x, 2y)

• (x, y) → (2x, 3y)

• (x, y) → (1/3x, 1/3y)

Tags

Transformations Rules

Dilations

A triangle has vertices with coordinates (2,0), (3, -1) and (-2,-5). If the triangle is dilated by a scale factor of 3 with the origin as the center of dilation, what are the coordinates of the vertices of the image?

• (5,3), (6,2), (1,-2)

• (6,0), (9,-3), (-6,-15)

• (2/3,0), (1,-1/3), (-2/3,-5/3)

• (-1,-3), (0,-4), (-5,-8)

• Not enough information

Tags

Dilations

What is the sequence of transformations?

• Reflect over the y then reflect over the x

• Reflect over the x then reflect over the y

• Translate 4 units then rotate 90˚

• Rotate 90˚ then reflect over the x

• Rotation of 180 degrees

Tags

Transformations

Which of the following describes the sequence of transformations shown?

• Reflect across the x-axis and then rotate -90 (clockwise) around the origin

• Rotate -90 (clockwise) degrees around the origin and then translate down.

• Reflect across the x-axis and then reflect across the y-axis.

• Translate up and then rotate 90 (counterclockwise) degrees about the origin.

• Y-Axis reflection and then a x-axis reflection.

Tags

Transformations

What types of transformations happened to get from shape 1 to shape 3, choose ALL that apply.

• Rotation

• Translation

• Reflection

• Dilation

• Non-Rigid Transformation

Tags

Transformations

Dilate Point B by a scale factor of 1/2

• (1.5,-4)

• (-1.5,1)

• (-1,-1.5)

• (-2,-2)

• (-6,4)

Tags

Dilations