Rotations and Reflections

Which transformation below is best represented by the algebraic expression (x, y) → (-x, y)

• Reflection over the x-axis.

• Reflection over the y-axis.

• 90º clockwise rotation

• 270º clockwise rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which transformation below is best represented by the algebraic expression (x, y) → (y, -x)

• Reflection over the x-axis.

• Reflection over the y-axis.

• 90º clockwise rotation

• 270º clockwise rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Point A is located at coordinates (-2, 7). What would be the coordinates of A' if point A is rotated 270º clockwise ?

• (-7, -2)

• (7, 2)

• (2, 7)

• (-2, -7)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If point M is located at (-3, -2), and M' is located at (3, -2), which transformation below best describes this change?

• Reflection over the x-axis.

• Reflection over the y-axis.

• 90º clockwise rotation

• 270º clockwise rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Point A is located at coordinates (-2, 7). What would be the coordinates of A' if point A is reflected over the x-axis?

• (-7, -2)

• (7, 2)

• (2, 7)

• (-2, -7)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which transformation below is best represented by the algebraic expression (x, y) → (-y, x)

• Reflection over the x-axis.

• Reflection over the y-axis.

• 90º clockwise rotation

• 270º clockwise rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which transformation below is best represented by the algebraic expression (x, y) → (x, -y)

• Reflection over the x-axis.

• Reflection over the y-axis.

• 90º clockwise rotation

• 270º clockwise rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Point A is located at coordinates (-2, 7). What would be the coordinates of A' if point A is rotated 90º clockwise?

• (-7, -2)

• (7, 2)

• (2, 7)

• (-2, -7)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If point M is located at (-3, -2), and M' is located at (-2, 3), which situation below best describes this transformation ?

• Reflection over the x-axis.

• Reflection over the y-axis.

• 90º clockwise rotation

• 270º clockwise rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which transformation below best represents the algebraic expression (x, y) → (x + 4, y - 2)

• A reflection over the x-axis.

• A reflection over the y-axis.

• A 90º clockwise rotation

• A 270º clockwise rotation

• A translation 4 units up and 2 units left.

Tags

CCSS.HSG.CO.A.2