Question

Please help . , .
http://prntscr.com/ct0gu6

Answer 1

The triangle was reflected across the y axis.

The x values change because it went over



It gained negative x values for its coordinates, but it still has the same y values for its coordinates as it stayed at the same elevation.

Therefore, reflection across the y axis

Answer 2

Oh and, triangles have not been drawn to scale :^)

Answer 3

Thank you again sir. c':