Exploring Rotations in Math 8

What type of geometric transformation was discussed last week?

• Translation

• Reflection

• Rotation

• Dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What does a 270-degree rotation typically involve?

• Four 67.5-degree turns

• One 270-degree turn

• Two 135-degree turns

• Three 90-degree turns

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which direction is considered a positive rotation?

• Vertical

• Clockwise

• Horizontal

• Counterclockwise

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If a point is rotated 270 degrees counterclockwise, what is the equivalent clockwise rotation?

• 270 degrees

• 360 degrees

• 90 degrees

• 180 degrees

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the center of rotation if not specified in a problem?

• Point (1,1)

• The origin (0,0)

• Point (0,1)

• The midpoint of the shape

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

How is a 180-degree rotation described in terms of direction?

• Neither clockwise nor counterclockwise

• Always clockwise

• Always counterclockwise

• Either clockwise or counterclockwise

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the line of reflection in a reflection transformation?

• A point that acts as a pivot

• A point through which all lines pass

• A line that divides the shape into two equal parts

• A circle around which the shape is rotated

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If a point is 4 units from the y-axis, where will its reflection over the y-axis be located?

• 8 units to the right of the y-axis

• On the y-axis

• 4 units to the right of the y-axis

• 4 units to the left of the y-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the angle of rotation from a pre-image to its image if the line connecting them forms a straight line?

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

In a reflection, if the pre-image is located at (-4, -2), where would the image be located after reflecting over the y-axis?

• (2, 4)

• (4, -2)

• (-4, 2)

• (-2, -4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5