A figure has a vertex at (-1, -3). If the figure has line symmetry about the y-axis, what are the coordinates of another vertex of the figure?
|dw:1380747867460:dw| where do you think the other one will be?
line of symmetry means, the line from where, the left side, looks the same as the right side almost as if you were to put a mirror there, and reflect the shape on the other side
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