rk22
rk22 rk22
  • 13-09-2020
  • Mathematics
contestada

what is the reflection of (x, -y) across the y-axis.

Respuesta :

archgabe archgabe
  • 13-09-2020
Reflection across the y-axis makes the x-coordinate opposite.
(x, -y) —> (-x, -y)
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