Question

Point A(9, –4) is reflected over the y-axis. Write the coordinates of Aʹ.


(–9, 4)


(9, –4)


(9, 4)


(–9, –4)

Answer 1

To reflect a point over the y-axis, you change the sign of the x-coordinate while keeping the y-coordinate the same.

For point A(9, –4):

- The x-coordinate changes from 9 to -9.
- The y-coordinate remains -4.

Thus, the reflected point A' is (-9, –4).

So the correct answer is:

**(–9, –4)**.