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Staar Dilations

Authored by Barbara White

Mathematics

8th Grade

CCSS covered

Staar Dilations
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4 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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Trapezoid ABCD has an area of 12.4 square units. Trapezoid ABCD is dilated using a scale factor of 3 to create trapezoid A’B’C’D’. What is the area of trapezoid A’B’C’D’ in square units?

153.76 square units

111.6 square units

37.2 square units

21.4 square units

Tags

CCSS.7.G.A.1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The pre-image, MN)P, has vertices M(2,1.5), N(2,4), O(5,4), P(5,1.5). A transformation is applied to create the image, M'N,O,P,, which has vertices M'(8, 6),N'(8,16),O,(20,16), p,(20.6). Which rule represents this transformation?

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Tags

CCSS.HSG.CO.A.2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Figure I and Figure II are similar trapezoids. Which proportion is not true?

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Tags

CCSS.HSG.SRT.A.2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Triangle ABC was dilated with the origin as the center of dilation to create triangle A,B,C. Which rule best represents the dilation that was applied to Triangle ABC to create triangle A'B'C'?

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Tags

CCSS.HSG.CO.A.2

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