Coordinate Plane Reflections

Front

What is a reflection in the coordinate plane?

Back

A reflection is a transformation that flips a figure over a line, creating a mirror image.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What happens to the coordinates of a point when it is reflected across the y-axis?

Back

The x-coordinate changes sign, while the y-coordinate remains the same.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What happens to the coordinates of a point when it is reflected across the x-axis?

Back

The y-coordinate changes sign, while the x-coordinate remains the same.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

If point A is at (x, y), what are the coordinates of A' when reflected over the y-axis?

Back

A' will be at (-x, y).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

If point B is at (x, y), what are the coordinates of B' when reflected over the x-axis?

Back

B' will be at (x, -y).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What quadrant is point D'(-3, -5) located in?

Back

Point D'(-3, -5) is located in Quadrant III.

Tags

CCSS.6.NS.C.6B

Front

What is the reflection of point F(3, 4) over the x-axis?

Back

The reflection is F'(3, -4).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the reflection of point A(-6, -1) over the x-axis?

Back

The reflection is A'(-6, 1).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

When reflecting a point across the x-axis, which coordinate changes?

Back

The y-coordinate changes.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

When reflecting a point across the y-axis, which coordinate changes?

Back

The x-coordinate changes.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5