Transformations Coordinate Rules

Which rule describes the action of the coordinates when a figure is reflected over the y-axis?

• (x, y)→(x, -y)

• (x, y)→(-x, y)

• (x, y)→(-x, -y)

• (x, y)→(y, -x)

Which rule describes the action of the coordinates when a figure is rotated 180^o about the origin?

• (x, y)→(y, x)

• (x, y)→(-x, y)

• (x, y)→(-x, -y)

• (x, y)→(-y, -x)

Which rule describes the action of the coordinates when a figure is reflected over the line y = x?

• (x, y)→(-y, -x)

• (x, y)→(-x, y)

• (x, y)→(-x, -y)

• (x, y)→(y, x)

Which rule describes the action of the coordinates when a figure is rotated 90^o counter-clockwise about the origin?

• (x, y)→(-y, -x)

• (x, y)→(-x, -y)

• (x, y)→(-y, x)

• (x, y)→(x, -y)

Identify the transformation from ABC to A'B'C'.

• 90^o clockwise rotation
• 90^o counter clockwise rotation
• Reflection across the y-axis
• Reflection across the x-axis

Identify the transformation from A to D.

• 90^o Clockwise Rotation
• 180^o Rotation
• 270^o  clockwise Rotation
• 360^o Rotation

Identify the transformation from A to B.

• 90^o Clockwise Rotation
• 180^o Rotation
• 270^o  clockwise Rotation
• 360^o Rotation

Identify the transformation from B to A.

• 90^o Counter Clockwise Rotation
• 180^o Rotation
• 270^o Counter clockwise Rotation
• 360^o Rotation

Identify the transformation from C to D.

• 90^o Counter Clockwise Rotation
• 180^o Rotation
• 270^o Counter clockwise Rotation
• 360^o Rotation

Describe the transformation.

• Rotation 90 degrees clockwise.

• Rotation 90 degrees counter-clockwise.

• Reflection across the x-axis.

• Reflection across the y-axis.