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unit 7 review

Authored by Zachary Gilbreath

Mathematics

8th Grade

Used 7+ times

unit 7 review
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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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If the pentagon is dilated by a scale factor of 1/2 from the origin, what will be the new location of point T.

(2x, 2y)

(x+2, y+2)

(1/2x, 1/2y)

(x+1/2, y+1/2)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Triangle ABC is dilated from the origin with a scale factor of 3.

Which of the following is the new coordinate for point A?

(3x, 3y)

(x+3, y+3)

(x-3, y-3)

(1/3x, 1/3y)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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The origin was used as the center of dilation to dilate quadrilateral ABCD as shown below.


Which algebraic representation best describes the dilation that was applied to quadrilateral ABCD to create quadrilateral A’B’C’D’?

(x, y) → (x + 3, y + 3)

x, y) → (1.5x, 1.5y)

(x, y) → (2x, 2y)

(x, y) → (​2/3x, 2/​3y)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

On the coordinate grid below, the dashed figure is the image of a dilation applied to the larger solid figure.


Which of the following represents this dilation?

(x, y) → (x − 3/8, y − 3/8)

(x, y) → (x −3/8 , y − 3)

(x, y) → (5/8x, 5/8y)

(x, y) → (2x, 2y)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Which of the following represents this dilation?

(x, y) → (3/10x, 3/10y)

(x, y) → (10/3x, 3y)

(x, y) → (x −3/10 , y − 7)

(x, y) → (−2/1x, −2/1y)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Figure S, the small arrow, was dilated with the origin as the center of dilation to create Figure T, the large arrow.


Which rule best represents the dilation that was applied to Figure S to create Figure T?

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7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following represents a function?

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