180 Degree Rotations Rules

Rotation Rules (clockwise):

180^o rotation: (x, y)→(-x, -y)

What are the coordinates of C' after a rotation of 180° clockwise?

• (-3, -1)

• (3,1)

• (1,3)

• (-1, -3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Rotate the point (-3,-4) around the origin 180 degrees. State the image of the point.

• (-4,-3)

• (-4,3)

• (4,-3)

• (3,4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Using the graph above, rotate and graph the image of ABCD about the origin 180 degrees. Which quadrant will contain its image?

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The rule for rotation of 180 degrees is  
(x, y) --> _

• (-y, x)

• (-x, -y)

• (y, -x)

• (-y, -x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the rule for a 180 degree rotation?

• (-y, -x)

• (y, -x)

• (-x, -y)

• (-y, x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which of the following algebraic rules represents a 180^o clockwise rotation?

• (x,y) --> (x,-y)

• (x,y) --> (-x,y)

• (x,y) --> (-x,-y)

• (x,y) --> (-y,x)

• (x,y) --> (y,-x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

180° Rotation rule

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which is the algebraic rule for a 180 degree rotation?

• (-x, -y)

• (-y, x)

• (x -2, y-4)

• (5x, 5y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the rule for a 180 clockwise rotation?

• flip and change the 1st

• flip and change the 2nd

• change both

• flip

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Polygon ABCD is rotated 180° about the origin. What will the coordinate of B' be?

• (3, -3)

• (-3, 3)

• (-3, -3)

• (-⅓, -⅓)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5