Intro Dilations

Is this an enlargement or a reduction?

• Enlargement

• Reduction

Tags

CCSS.8.G.A.3

Does the image show a dilation?

• Yes

• No

Dilation changes a shape's __________?

• Size

• Position

• Form

• Orientation

Tags

CCSS.8.G.A.3

Which of the following statements is true about dilations?

• Dilations do not affect the size or shape of a figure.

• Dilations change the shape of a figure without changing its size.

• Dilations change the size of a figure without changing its shape.

Tags

CCSS.8.G.A.3

Tags

CCSS.8.G.A.3

Tags

CCSS.8.G.A.3

What is the scale factor?

Tags

CCSS.HSG.CO.A.2

What transformation doesn’t always produce an image that is congruent to its pre-image?

*Explain your answer on your answer sheet*

• Translations

• Rotations

• Reflections

• Dilation

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

The point (2, -3) becomes (8, -12) after undergoing a dilation. What will the point (-4, 6) become under the same dilation?

Tags

CCSS.8.G.A.3

A rectangular photo with dimensions of 1.5 inches wide by 2 inches long is enlarged to a length of 8 inches. What is the width of the enlarged print?

*Hint: Draw a picture*

• 3

• 6

• 7.5

• 16

Tags

CCSS.7.G.A.1