Dilations QC 1.6 Review

Dilations QC 1.6 Review

Assessment

Flashcard

Mathematics

KG - University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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10 questions

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1.

FLASHCARD QUESTION

Front

What is a dilation in geometry?

Back

A dilation is a transformation that changes the size of a figure but not its shape, using a center of dilation and a scale factor.

2.

FLASHCARD QUESTION

Front

What does the scale factor in a dilation represent?

Back

The scale factor indicates how much the figure is enlarged or reduced. A scale factor greater than 1 enlarges the figure, while a scale factor less than 1 reduces it.

3.

FLASHCARD QUESTION

Front

If a point A(x, y) is dilated by a scale factor of k, what is the new point A'?

Back

A' = (kx, ky)

4.

FLASHCARD QUESTION

Front

What happens to the coordinates of a point when it is dilated by a scale factor of 2?

Back

The coordinates of the point are doubled.

5.

FLASHCARD QUESTION

Front

What is the center of dilation?

Back

The center of dilation is the fixed point in the plane about which all points are expanded or contracted.

6.

FLASHCARD QUESTION

Front

If the coordinates of point A are (4, 6) and it is dilated by a scale factor of 3, what are the coordinates of A'?

Back

A' = (12, 18)

7.

FLASHCARD QUESTION

Front

True or False: A dilation with a scale factor of 0.5 is an enlargement.

Back

False, it is a reduction.

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