Understanding Line Segment Rotation

The video tutorial explains how to rotate a line segment negative 90 degrees around the origin using a Rotate tool. It covers defining the point of rotation, executing the rotation, and analyzing the result. The tutorial emphasizes that the rotated image remains a line segment with unchanged length, highlighting the properties of rotation.

What is the initial task described in the video?

• To translate a line segment

• To rotate a line segment 90 degrees

• To rotate a line segment negative 90 degrees

• To reflect a line segment over the x-axis

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What tool is used to perform the rotation?

• Rotate tool

• Translate tool

• Reflect tool

• Scale tool

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CCSS.8.G.A.3

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Where is the point of rotation set for the line segment?

• At a random point on the plane

• At the endpoint of the segment

• At the origin

• At the midpoint of the segment

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What happens to the arrows when the line segment is rotated negative 90 degrees?

• They straddle the positive y-axis

• They straddle the negative y-axis

• They straddle the positive x-axis

• They straddle the negative x-axis

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the final orientation of the line segment after rotation?

• Aligned with the positive y-axis

• Aligned with the positive x-axis

• Aligned with the negative y-axis

• Aligned with the negative x-axis

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What remains unchanged about the line segment after rotation?

• Its position

• Its length

• Its thickness

• Its color

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CCSS.8.G.A.3

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What characteristic of the rotated image confirms it is still a line segment?

• It has no endpoints

• It is a different shape

• It has two endpoints

• It has a different length

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5