Dilations

Dilations

Assessment

Flashcard

Mathematics

10th Grade

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a dilation in geometry?

Back

A transformation that produces a figure similar to the original but with a different size, using a scale factor.

2.

FLASHCARD QUESTION

Front

What is the scale factor in a dilation?

Back

A number that scales, or multiplies, the dimensions of a figure during a dilation.

3.

FLASHCARD QUESTION

Front

What does it mean to dilate a figure by a scale factor of 3?

Back

Each point of the figure is moved away from the center of dilation by a distance that is three times its original distance.

4.

FLASHCARD QUESTION

Front

What is the center of dilation?

Back

A fixed point in the plane about which all points are expanded or contracted during a dilation.

5.

FLASHCARD QUESTION

Front

If a figure is dilated by a scale factor of 1, what happens to the figure?

Back

The figure remains unchanged in size; it is congruent to the original.

6.

FLASHCARD QUESTION

Front

What mathematical operation is used with the scale factor in a dilation?

Back

Multiplication.

7.

FLASHCARD QUESTION

Front

How do you find the coordinates of a dilated point?

Back

Multiply the original coordinates by the scale factor.

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