Reflections in the Coordinate Plane Quiz

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

• They are multiplied by 2.

• They remain unchanged.

• They are divided by 2.

• They are multiplied by -1.

In a reflection, how are the pre-image and image related?

• They are similar.

• They are congruent.

• They are identical.

• They are different.

When reflecting a point over the y-axis, what happens to the x-coordinate?

• It is multiplied by -1.

• It remains unchanged.

• It is divided by 2.

• It is multiplied by 2.

If a triangle has vertices at (5, 2), (1, 3), and (-1, 1), what are the coordinates after reflecting over the x-axis?

• (5, -2), (1, -3), (-1, -1)

• (5, 2), (1, 3), (-1, 1)

• (-5, 2), (-1, 3), (1, 1)

• (5, 2), (1, -3), (-1, 1)

What is the new position of point K (2, 3) after reflecting over the y-axis?

• (-2, -3)

• (2, -3)

• (-2, 3)

• (2, 3)

How do you find the new coordinates of a point after reflecting over the y-axis?

• Multiply the x-coordinate by -1.

• Subtract 1 from both coordinates.

• Add 1 to both coordinates.

• Multiply the y-coordinate by -1.

What is the result of reflecting point A (1, 4) over the y-axis?

• (-1, 4)

• (1, -4)

• (-1, -4)

• (1, 4)

When reflecting a figure over the x-axis, which coordinate is affected?

• Only the y-coordinate

• Only the x-coordinate

• Both x and y coordinates

• Neither x nor y coordinates

If a point is at (2, 2) and is reflected over the x-axis, where will it be?

• (-2, -2)

• (2, 2)

• (-2, 2)

• (2, -2)

What is the key concept of reflecting over the x-axis?

• Multiply y-coordinates by -1

• Add 1 to x-coordinates

• Multiply x-coordinates by -1

• Subtract 1 from y-coordinates