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Coordinate Geometry with Triangles

Authored by Anthony Clark

Mathematics

12th Grade

G covered

Coordinate Geometry with Triangles
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14 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Triangles Δ ABC and Δ A'B'C' are graphed in the standard (x,y) coordinate plane below. Triangle Δ A'B'C' is the image of Δ ABC under one of the following transformations. Which one?

90° clockwise rotation about the origin

90° counterclockwise rotation about the origin

Horizontal translation

Reflection across the x-axis

Reflection across the y-axis

Tags

CCSS.HSG.CO.B.6

CCSS.8.G.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Line

Square

Pentagon

Parallelogram

Scalene Triangle

Tags

CCSS.4.G.A.3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Tags

CCSS.HSG.GPE.B.6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

If the figure is rotated 90 degrees clockwise, what are the coordinates of R?

(-3, 3)

(3, -3)

(-3, -3)

(3, 3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Identify the transformation from A to D.

90o Clockwise Rotation

180o Rotation

270o Clockwise Rotation

360o Rotation

Tags

CCSS.HSG.CO.B.6

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

On the coordinate plane shown below, Figure G and Figure I are similar by a sequence of transformations. Which statement best describes the sequence of transformations from Figure G to Figure I?

Figure G has been dilated to Figure H, which has been rotated to Figure I.

Figure G has been rotated to Figure H, which has been translated to Figure I.

Figure G has been reflected to Figure H, which has been dilated to Figure I.

Figure G has been translated to Figure H, which has been reflected to Figure I.

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Triangles ABC and A'B'C' are shown in the coordinate plane. Which statement describes a sequence of transformations that can be used to verify that triangle A'B'C' is similar to triangle ABC?

Reflect triangle ABC across the x-axis, followed by a dilation with a scale factor of 2 about the origin.

Reflect triangle ABC across the y-axis, followed by a dilation with a scale factor of 1/2 about the origin.

Reflect triangle ABC across the x-axis, followed by a dilation with a scale factor of 1/2 about the origin.

Reflect triangle ABC across the y-axis, followed by a dilation with a scale factor of 2 about the origin.

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

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