Module 1.4 Quiz: Rotations

Describe the transformation verbally.

• 90^o clockwise

• 90^o counter-clockwise

• 180⁰

Describe the transformation verbally.

• 90^o clockwise

• 90^o counter-clockwise

• 180⁰

Describe the transformation verbally.

• 90^o clockwise

• 90^o counter-clockwise

• 180⁰

Describe the transformation algebraically.

• (x,y) -> ( y, -x)

• (x,y) -> ( -y, x)

• (x,y) -> ( -x, -y)

• (x,y) -> ( -y, -x)

Describe the transformation algebraically.

• (x,y) -> ( y, -x)

• (x,y) -> ( -y, x)

• (x,y) -> ( -x, -y)

• (x,y) -> ( -y, -x)

Rotate the point (1, -4) 90^o clockwise about the origin.

• (-1, 4)

• (-4, -1)

• (4, 1)

• (4, -1)

Rotate the point (1, -4) 90^o counter-clockwise about the origin.

• (-1, 4)

• (-4, -1)

• (4, 1)

• (4, -1)

Rotate the point (1, -4) given the following algebraic mapping:

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

• (-1, 4)

• (-4, -1)

• (4, 1)

• (4, -1)

Rotate the point 90^o clockwise about the origin.

Rotate the point following the algebraic map given.

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