Reflecting Shapes in the Coordinate Plane

What kind of transformation is this?

• Rotation

• Reflection

• Translation

Tags

MGSE8.G.1

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

The vertices of triangle GHI are G(1, 2), H(3, 4), and I(4, 2). The triangle will be reflected across the x-axis. What will be the coordinates of the image point H′?

• (-3, 4)

• (3, -4)

• (-3, -4)

• (3, 4)

Tags

MGSE8.G.1

MGSE8.G.2

What quadrant is the image now in?

• I

• II

• III

• IV

Tags

MGSE8.G.1

Reflections over the x-axis change the __________.

• y-coordinate

• x-coordinate

Tags

MGSE8.G.1

Point N(6, –5) is reflected across the

x-axis. What are the coordinates of the image?

• (-6, -5)

• (-5, 6)

• (5, -6)

• (6, 5)

Tags

MGSE8.G.1

MGSE8.G.2

A reflection is

• flipping a figure

• turning a figure

• enlarging a figure

• sliding a figure

Tags

MGSE8.G.1

If you reflect point A ( 3, 4) over the x-axis, what is the reflected point?

• A' ( 3 , -4)

• A' ( -3, 4)

• A' ( -3, -4)

• A' ( 3, 4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If you reflect point A ( 3, 4) over the y-axis, what is the reflected point?

• A' ( 3 , -4)

• A' ( -3, 4)

• A' ( -3, -4)

• A' ( 3, 4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If you reflect point B ( -2, 5) over the x-axis, what is the reflected point?

• B' ( 2, 5)

• B' ( -2, -5)

• B' ( 2, -5)

• B' ( -2, 5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5