How to rotate a line 180 degrees

What is the equivalent of a 180-degree rotation?

• Four 90-degree rotations

• Three 90-degree rotations

• Two 90-degree rotations

• One 90-degree rotation

How do you find the reflection of a point in a 180-degree rotation?

• Add 1 to each coordinate

• Multiply each coordinate by 2

• Subtract 1 from each coordinate

• Take the opposite values of each coordinate

What is the new position of point P after a 180-degree counterclockwise rotation if it starts at (-3, -1)?

• (3, -1)

• (-1, 3)

• (-3, 1)

• (3, 1)

What is the new position of point Q after a 180-degree counterclockwise rotation if it starts at (-2, -5)?

• (2, -5)

• (-2, 5)

• (2, 5)

• (-5, 2)

What is true about 180-degree clockwise and counterclockwise rotations?

• Clockwise rotation is faster

• Counterclockwise rotation is faster

• They result in different figures

• They result in the same figure