Dilations Practice

Dilations Practice

Transformation Review

Types of Transformations we have learned

• Translations (Moving horizontally/vertically)

• Reflection (Mirror image)

• Rotation (Turning)

• Dilations (Stretch/Shrink)

Poll

From the purple triangle ABC to the blue triangle A'B'C', what type of dilation is this?

• Reduction

• Enlargement

• No Dilation

Multiple Choice

Is this an enlargement or a reduction?

• Enlargement

• Reduction

Multiple Choice

Triangle A’B’C’ is the dilation of triangle ABC.

Which algebraic representation shows this dilation?

• (x, y) --> (2x, 2y)

• (x, y) --> (1/3x, 1/3y)

• (x, y) --> (3x, 3y)

• (x, y) --> (x + 3, y - 3)

Open Ended

Trapezoid A’B’C’D’ is the dilation of trapezoid ABCD.

What is the scale factor of this enlargement?

Multiple Choice

Dilate Point B by a scale factor of 3:

• (12,0)

• (12,12)

• (4,3)

• (0,12)

Multiple Choice

The point (8, 12) was dilated to become point (2, 3). What was the scale factor?

• ½

• ¼

• 4

• 2

Open Ended

Find the measure of x:

Multiple Select

How is triangle ABC being translated to triangle A'B'C'? Choose all that applies

• down 9

• up 9

• left 4

• right 4

• down 4

Multiple Choice

Which graph shows the pre-image reflected over y-axis?

Open Ended

Triangle B is rotated ___ counterclockwise with the origin as the center of rotation to create Triangle A.