When reflecting a figure across the y-axis, the x-coordinates of the points change sign, while the y-coordinates remain the same. Therefore, the correct answer is:

C: y-coordinates.

Question

When reflecting a figure across the y-axis, which coordinates(s) remain the same?  A: polar coordinates  B: inverse coordinates  C: y-coordinates  D: x-coordinates

GPT-4o mini · Answer

When reflecting a figure across the y-axis, the x-coordinates of the points change sign, while the y-coordinates remain the same. Therefore, the correct answer is: C: y-coordinates.