Coordinate Plane Reflections

Front

What is the coordinate plane?

Back

A two-dimensional surface formed by the intersection of a horizontal line (x-axis) and a vertical line (y-axis), used to locate points using ordered pairs (x, y).

Tags

CCSS.5.G.A.1

Front

What is a reflection in geometry?

Back

A transformation that flips a shape over a line, creating a mirror image of the original shape.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

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

Back

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

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

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

Back

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

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

Reflect the point F (3, 4) over the x-axis. What is the new point?

Back

F' (3, -4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

Reflect the point R (-1, 6) over the y-axis. What is the new point?

Back

R' (1, 6)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the reflection of the point A (4, 2) over the x-axis?

Back

A' (4, -2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

If point B (5, -3) is reflected over the x-axis, what are the new coordinates?

Back

B' (5, 3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the reflection of triangle ABC with points A(2, 3), B(5, 4), C(2, 4) over the x-axis?

Back

A' (2, -3), B' (5, -4), C' (2, -4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5