Dilations Quick Check

Dilations Quick Check

Assessment

Flashcard

Mathematics

8th Grade

Practice Problem

Hard

CCSS
8.G.A.3, 7.G.A.1, 8.G.A.2

+1

Standards-aligned

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a dilation in geometry?

Back

A dilation is a transformation that alters the size of a figure but keeps its shape, using a scale factor and a center of dilation.

Tags

CCSS.8.G.A.3

2.

FLASHCARD QUESTION

Front

What does the scale factor indicate in a dilation?

Back

The scale factor indicates how much larger or smaller a figure will be after the dilation. A scale factor greater than 1 enlarges the figure, while a scale factor between 0 and 1 reduces it.

Tags

CCSS.8.G.A.3

3.

FLASHCARD QUESTION

Front

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

Back

The new coordinates will be (kx, ky).

Tags

CCSS.8.G.A.3

4.

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 during the dilation.

Tags

CCSS.8.G.A.3

5.

FLASHCARD QUESTION

Front

True or False: A dilation produces a similar figure. Why?

Back

True. A dilation produces a similar figure because it maintains the shape but changes the size.

Tags

CCSS.8.G.A.3

6.

FLASHCARD QUESTION

Front

What happens to the angles of a figure during a dilation?

Back

The angles of a figure remain unchanged during a dilation.

Tags

CCSS.8.G.A.3

7.

FLASHCARD QUESTION

Front

If a figure is dilated by a scale factor of 2, what happens to its area?

Back

The area of the figure is multiplied by the square of the scale factor. So, if the scale factor is 2, the area is multiplied by 2² = 4.

Tags

CCSS.7.G.A.1

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