A triangle has corners at #(2, -5 )#, ( 6 , 1)#, and #( 4 , 3)#. What will the new coordinates of the triangle be if it is reflected across the x-axis?

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Answer 1 · 2016-05-16T16:51:54

New coordinates of triangle will be #(2,5)#, #(6,-1)# and #(4,-3)#

When a point #(x,y)# is reflected across the #x#-axis, its coordinates become #(x,-y)# and hence

the vertices of the triangle, which are #(2,-5)#, #(6,1)# and #(4,3)#, new coordinates of triangle will be #(2,5)#, #(6,-1)# and #(4,-3)#.