Homework Help: Algebra

Posted by Katia on Monday, December 31, 2012 at 3:13pm.

Triangle ABC has coordinates A(1, 4); B(3, –2); and C(4, 2). Find the coordinates of the image A'B'C' after a reflection over the x-axis

Algebra - Steve, Tuesday, January 1, 2013 at 12:06am
just change the sign of all the y-coordinates, since the reflection takes (x,y) to (x,-y)

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