Dilations and other transformations

Dilations and other transformations

Assessment

Flashcard

Mathematics

8th Grade

Practice Problem

Medium

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

Standards-aligned

Created by

Wayground Content

Used 1+ times

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16 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, defined by a scale factor.

Tags

CCSS.8.G.A.3

2.

FLASHCARD QUESTION

Front

How do you write the algebraic notation for a dilation with a scale factor of 1/2?

Back

(x, y) → (1/2x, 1/2y)

Tags

CCSS.8.G.A.3

3.

FLASHCARD QUESTION

Front

What does a scale factor of less than one indicate?

Back

It indicates that the image will be a reduction of the pre-image.

Tags

CCSS.8.G.A.3

4.

FLASHCARD QUESTION

Front

If the point (8, 12) is dilated to (2, 3), what is the scale factor?

Back

1/4

Tags

CCSS.8.G.A.3

5.

FLASHCARD QUESTION

Front

What is the scale factor for the transformation (x, y) → (2.5x, 2.5y)?

Back

2.5

Tags

CCSS.7.G.A.1

6.

FLASHCARD QUESTION

Front

What is the effect of a scale factor greater than 1 on a figure?

Back

It enlarges the figure.

Tags

CCSS.8.G.A.3

7.

FLASHCARD QUESTION

Front

What happens to the coordinates of a point (x, y) when it is dilated by a scale factor of 3?

Back

The new coordinates will be (3x, 3y).

Tags

CCSS.8.G.A.3

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