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Dilations at the Origin

Authored by Anthony Clark

Mathematics

8th Grade

CCSS covered

Used 1+ times

Dilations at the Origin
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the scale factor of a dilation that doubles the distance of every point from the origin?

0.5

1

2

-2

Tags

CCSS.8.G.A.3

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The figure's area becomes four times larger.

The figure's area becomes twice as large.

The figure's area is reduced to one-fourth.

The figure's area is reduced to one-half.

Tags

CCSS.7.G.A.1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(-9, 12)

Tags

CCSS.8.G.A.3

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the scale factor of a dilation that reduces a shape to one-third of its original size?

3

-3

Tags

CCSS.8.G.A.3

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

State the coordinate of the image of the given point B (4,9) under a dilation with center at the origin with the given scale factor of 2.

B' (2 , 4.5)

B' (-8 ,-18)

B' (8 ,18)

B' (9 ,4)

Tags

CCSS.8.G.A.3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?

A'(9,9) B'(18,18) C'(27,9)

A'(6,6) B'(9,9) C'(12,6)

A'(0,0) B'(3,3) C'(6,0)

A'(1,1) B'(2,2) C'(3,1)

Tags

CCSS.8.G.A.3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

State the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2.

(5,3)

(20,12)

(-20,-12)

(-5,-3)

Tags

CCSS.8.G.A.3

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