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A sequence of transformations maps [tex]$\triangle ABC$[/tex] onto [tex]$\triangle A^{\prime \prime} B^{\prime \prime} C^{\prime \prime}$[/tex]. The type of transformation that maps [tex]$\triangle ABC$[/tex] onto [tex]$\triangle A^{\prime} B^{\prime} C^{\prime}$[/tex] is a [tex]$\square$[/tex].
When [tex]$\triangle A^{\prime} B^{\prime} C^{\prime}$[/tex] is reflected across the line [tex]$x = -2$[/tex] to form [tex]$\triangle A^{\prime \prime} B^{\prime \prime} C^{\prime \prime}$[/tex], vertex [tex]$\square$[/tex] of [tex]$\triangle A^{\prime \prime} B^{\prime \prime} C^{\prime \prime}$[/tex] will have the same coordinates as [tex]$B^{\prime}$[/tex].