Rotations

When you rotate 180 degrees the ( x , y ) becomes ?

• ( y , x )

• ( -y , x )

• ( -x , y )

• ( -x , -y )

Tags

TEKS.MATH.G.3A

The name of the figure before the rotation is...

• Image

• Pre-image

Tags

TEKS.MATH.G.3A

What is the algebraic representation for a 90° clockwise rotation?

• (x, y) ----> ( -x, -y)

• (x, y) ----> ( y, -x)

• (x, y) ----> ( x, y)

• (x, y) ----> ( -y, x)

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

If you were to rotate ABCD 180° about the origin, what would the coordinates of B' be?

• (0, 0)
• (-6, -5)
• (-1, 3)
• (-6, 2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle B is rotated 90° counterclockwise with the origin as the center of rotation to create a new figure. Which rule describes this transformation?

• (x,y)→(y, -x) 
• (x,y)→(x,y)
• (x,y)→(-x,-y)
• (x,y)→(-y,x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5