Reflection

If a figure is reflected over the y-axis, what happens to the x-coordinates of its vertices?

• The x-coordinates are squared.

• The x-coordinates are multiplied by 2.

• The x-coordinates are negated.

• The x-coordinates are divided by 2.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If a figure is reflected over the line y = x, what happens to the coordinates of its vertices?

• The coordinates of the vertices are swapped.

• The coordinates of the vertices remain the same.

• The coordinates of the vertices are multiplied by -1.

• The coordinates of the vertices are divided by 2.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the line of reflection for the point (3, 4) across the x-axis?

• y-axis

• x-axis

• origin

• quadrant I

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the equation of the line of reflection for the point (5, -2) across the y-axis?

• x = 5

• y = -2

• x = 0

• y = 0

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Describe the transformation in the image

• Translation

• Reflection

• Rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

State the line of reflection.

• Reflection across y-axis

• Reflection across x-axis

• Reflection across x = 1

• Reflection across y = 1

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Match the following reflections with their lines of reflection.

• Reflection of a point (x, y) to (-x, y)

• Reflection across y = 1

• Reflection of a point (x, y) to (x, -y)

• Reflection across x = 1

• Reflection of a point (x, y) to (2 - x, y)

• Reflection across y-axis

• Reflection of a point (x, y) to (x, 2 - y)

• Reflection across x-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

How does the orientation of a figure change after a regular reflection?

• The orientation rotates 180 degrees.

• The orientation flips horizontally.

• The orientation flips vertically.

• The orientation remains the same.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

In a regular reflection, what happens to the distance between the original figure and its image?

• The distance remains the same.

• The distance becomes infinite

• The distance increases

• The distance decreases

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Describe the transformation that occurs during a regular reflection.

• The object is rotated 90 degrees clockwise

• The object is flipped over a line of reflection while maintaining the same distance and reversing its orientation.

• The object is translated horizontally

• The object is stretched vertically

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5