The Basics of Dilations

A __________________ is a transformation that enlarges or reduces the size from pre-image to image based on a scale factor.

• translation

• reflection

• rotation

• dilation

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CCSS.HSG.SRT.A.1

An ________________means that the image is larger than the pre-image.

• reduction

• enlargement

• flip

• spin

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CCSS.HSG.SRT.A.1

A ________________means that the image is smaller than the pre-image.

• flip

• spin

• reduction

• enlargement

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CCSS.HSG.SRT.A.1

When the scale factor is greater than 1 on a dilation, it produces ___________________.

• a reduction

• a pre-image

• a spin

• an enlargement

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CCSS.HSG.SRT.A.1

When dilations have a scale factor of less than 1, it causes a ___________________.

• reduction

• enlargement

• slide

• turn

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CCSS.HSG.SRT.A.1

Which scale factor will cause a reduction

• 4

• 100

• 7

• 1/4

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CCSS.HSG.SRT.A.1

Which scale factor will cause an enlargement?

• 5

• 0.5

• 5/10

• 0.55

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CCSS.HSG.SRT.A.1

Similar figures are figures that are the SAME shape, but a DIFFERENT size.

Which one of the following transformations will produce a similar figure?

• translation

• dilation

• rotation

• reflection

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CCSS.HSG.SRT.A.1

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.B.5

Congruent figures are figures that are the SAME size and the SAME shape.

All of these transformations produce congruent figures EXCEPT which one?

• translations

• reflections

• rotations

• dilations

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CCSS.HSG.CO.A.2

CCSS.HSG.CO.A.5

CCSS.HSG.CO.B.6

CCSS.HSG.CO.B.7

CCSS.HSG.CO.B.8

A dilation with a scale factor of 4 will produce an enlargement.

• true

• false

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CCSS.HSG.SRT.A.1