Asked by red bacon

pls help my mom took away my phone Triangle ABC has coordinates A ( 1 , 4 ) ; B ( 3 , − 2 ) ; and C ( 4 , 2 ) . A(1, 4); B(3, -2); and C(4, 2). Find the coordinates of the image A ' B ' C ' A'B'C' after a reflection over the x-axis.
Answered by oobleck
such a reflection takes (x,y)→(x,-y)
so just change the sign of each y-coordinate

and stop repeating stuff.
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