Dilation Activity Vocab

What is a dilation?

• An enlargement or reduction of a figure

• A type of matrix

• A constant number

• A transformation that doesn't change size or shape.

A figure that has been transformed compared to the original figure is called a(n) ______.

• Matrix

• Image

• Scalar

• Preimage

What is a matrix?

• A constant number

• A rectangular array of numbers and/or variables

• A transformation

• A scale factor.

The original figure, before being transformed, is known as the ______.

• Image

• Preimage

• Matrix

• Scalar

A constant number that a matrix is multiplied by is called a ______.

• Scale factor

• Scalar

• Image

• Transformation

What is the scale factor?

• A type of matrix

• The ratio of the lengths of corresponding sides of two similar figures

• A constant number

• A transformation.

A change in the size, shape, direction, or position of a figure is called a ______.

• Dilation

• Transformation

• Matrix

• Scalar

Which of the following transformations do not change the size or shape of images?

• A) Dilations

• B) Reflections

• C) Rotations

• D) Translations

Match the transformation with the term that describes it.

• Flip

• Rotation

• Turn

• Dilation

• Move

• Reflection

• Shrink

• Translation

Which rule would dilate shows a scale factor of 4

• (x, y) → (y, x)
• (x, y) → (x + 4, y + 4)
• (x, y) → (x, -y)
• (x, y) → (4x, 4y)

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4