Transformation of Reflection on Coordinate Grid

Two triangles are shown on the coordinate grid. Which sequence of transformations shows that \Delta ABC\cong\Delta DEF

• Reflect △ABC across the x-axis, then translate it down 1

• Reflect △ABC across the x-axis, then translate it up 1

• Reflect △ABC across the y-axis, then translate it down 1

• Reflect △ABC across the y-axis, then translate it up 1

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

• Reflect △ABC across the x-axis, then translate it down 2

• Reflect △ABC across the y-axis, then translate it down 2

• Reflect △ABC across the x-axis, then translate it up 2

• Reflect △ABC across the y-axis, then translate it up 2

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Plot A(4,1) B(5,4) C(1,2). Reflect it over the x-axis, then translate it 3 units left. What are the coordinates of A'B'C'?

• A' (-1, -1) B' (-2, -4) C' (2, -2)

• A' (4, -4) B' (5, -7) C' (1, -5)

• A' (-7, 1) B' (-8, 4) C' (-4, 2)

• A' (1, -1) B' (2, -4) C' (-2, -2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the Algebraic Notation for this Reflection?

• (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

What type of transformation is shown in the diagram?

• Rotation

• Reflection

• Translation

• Dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What type of transformation is shown on the left side of the vertical line in the image?

• Rotation

• Translation

• Reflection

• Dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What are the coordinates of point B after the reflection transformation?

• (1, 4)

• (1, -4)

• (-1, 4)

• (-1, -4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Suppose triangle RST shown on the

coordinate grid is reflected across the y-axis. Which ordered pair does not represent a vertex of the reflected triangle?

• (5, 1)

• (-4, -2)

• (2, -4)

• (-2, 4)

Tags

MGSE8.G.1

Describe the transformation that has occured.

• Translation of 4 units to the left

• Reflection over the y-axis

• Reflection over the x-axis

• Translation of 4 units to the right

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The triangle is reflected over the line y=x and then rotated 90 clockwise around the origin. Find the final coordinates for L''.

• (1,-2)

• (1,2)

• (-1,-2)

• (-2,-1)

Tags

CCSS.8.G.A.3