Rotations Algebraic Rules

What transformation represents the algebraic rule below?

(x,y) -> (-y,x)

• Translation

• Dilation

• Reflection

• Rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What transformation represents the algebraic rule below?

(x,y) -> (-x,-y)

• Translation

• Dilation

• Reflection

• Rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which rotations share the rule below?

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Rotate the point (-5,8) around the origin 270 degrees counterclockwise. State the image of the point.

• (-8,5)

• (8,-5)

• (8,5)

• (5,-8)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A figure has a vertex at (a, b), in which a is a positive integer and b is a positive integer. What is the algebraic rotation rule that takes the figure to Quadrant III?

• (x, y) → (y, −x)

• (x, y) → (−x, −y)

• (x, y) → (−y, x)

• (x, y) → (x, y)

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

Rotate the point (7,8) around the origin 90 degrees counterclockwise.
State the image of the point.

• (-7,-8)

• (8,-7)

• (-8,7)

• (8,7)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Rotate the point (-3,-4) around the origin 180 degrees clockwise. 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

( x , y ) → ( -y , x )

• Dilation

• Reflection

• Rotation

• Translation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

• First check the order of x&y

  Then check the negatives

• ...

Tags

CCSS.HSG.CO.B.6