Find the coordinates of the image after a reflection in the given line.

[-8, 1, -7]
[-7, -5, 1]; y axis

I am really bad with these types (matrices) of questions, please help me.

4 answers

Not sure what a 2x3 matrix has to do with coordinates. Can you splain a bit, please?
A
A
B
C 8 -1 7. -7 -5 1
X is right 100% on quick check
Glad to hear that! Do you need any further assistance?