Transformation Retake

Describe the translation from the red figure to the blue figure.

• 2 units left and 3 units down

• 3 units right and 2 units up

• 2 units right and 3 units up

• 5 units left and 2 units down

Which sequence of transformations takes △A to its image, △B?

• Reflection over the x-axis and translation 2 units down

• Reflection over the y-axis and translation 2 units down

• Translation 2 units down and 90° rotation about the origin

• Translation 12 units right and 90° rotation about the origin

Select the sequence of transformations that maps triangle LAP onto triangle L'A'P'.

• Triangle LAP was reflected over the x-axis to triangle L'A'P'.

• Triangle LAP was translated 1 unit to the right and 3 units down to triangle L'A'P'.

• Triangle LAP was translated 1 unit to the left and 3 units up to triangle L'A'P'.

• Triangle LAP was rotated 90 degrees clockwise to triangle L'A'P'.

What is the result of reflecting a point over the x-axis?

• The x-coordinate changes sign.

• The y-coordinate changes sign.

• Both coordinates change sign.

• Neither coordinate changes sign.

The point $ V (3, -5) $ is rotated 270° clockwise around the origin. What are the coordinates of the resulting point, $ V' $?

• (5, 3)

• (-5, -3)

• (-5, 3)

• (3, 5)

Using the following dilated coordinates of a triangle, choose the appropriate scale factor. J : (2, 4) → J' (4, 8) K : (1, 1) → K' (2, 2) L : (4, 0) → L' (8, 0)

• 5

• 4

• 3

• 2

If △ABC is rotated 90° clockwise about the origin, what will be the new coordinates of vertex B?

• (-1, -4)

• (1, 4)

• (4, 1)

• (4, -1)

The point (-3, 15) undergoes a translation of 9 units right and 10 units down. What are the coordinates of the new point?

• (-12, 10)

• (-12, 5)

• (6, 10)

• (6, 5)

Quadrilateral ABCD shown in the coordinate plane below, is dilated with the center at the origin to form quadrilateral EFGH. What is the scale factor of the dilation?

• 1/4

• 1/3

• 3

• 4

What are the coordinates of the point D after a dilation with a scale factor of 5, centered at the origin?

• D' (0, 2)

• D' (0, 5)

• D' (0, 10)

• D' (10, 0)