Dilations

Dilations

7th - 10th Grade

12 Qs

quiz-placeholder

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Dilations

Dilations

Assessment

Quiz

Mathematics

7th - 10th Grade

Practice Problem

Medium

CCSS
8.G.A.3, 8.G.A.4, 7.G.A.1

+2

Standards-aligned

Created by

Robert Innis

Used 28+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When the scale factor of a dilation is less than one, the dilation is a reduction.

True
False

Tags

CCSS.8.G.A.3

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What scale factor was used to produce the image?

2.5
1.5
3.5
4

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How do you write the algebraic notation when the scale factor is 3?

(x, y) --> (1/3x, 1/3y)

(x, y) --> (-3x, -3y)

(x, y) --> (x + 3, y + 3)

(x, y) --> (3x, 3y)

Tags

CCSS.8.G.A.3

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How do you write the algebraic notation when the scale factor is 1/2?

(x, y) → (2x, 2y)

(x, y) → (1/2x, 1/2y)

(x, y) → (-2x, -2y)

(x, y) → (2x, 1/2y)

Tags

CCSS.8.G.A.3

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is the algebraic representation for a dilation?

(x, y) → (x, 3y)
(x, y) → (3x, 3y)
(x, y) → (x, y - 3)
(x, y) → (.5x, .4y)

Tags

CCSS.8.G.A.3

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Enlargement or reduction?  Find the scale factor!

It's an enlargement; the scale factor is 1/2.
It's an enlargement; the scale factor is 2.
It's a reduction; the scale factor is 1/2.
It's a reduction; the scale factor is 2.

Tags

CCSS.7.G.A.1

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Triangle ABC has vertices A (-2, 2), B (2, 4) and C (3, -1).  What are the coordinates of A' after a dilation by a scale factor of 2.5?

(-5, 5)
(5, -5)
(5, 10)
(7.5, -2.5)

Tags

CCSS.8.G.A.3

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