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OpenStudy (anonymous):
Giving medal. A figure has a vertex at (-1, -3). If the figure has line symmetry about the x-axis, what are the coordinates of another vertex of the figure? A. (-1, 3) B. (-3, -1) C. (3, 1) D. (1, -3)
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OpenStudy (anonymous):
|dw:1374417184589:dw|
OpenStudy (anonymous):
due to symmetry, x-axis acts like a "mirror for the points"
OpenStudy (anonymous):
ok, so the answer is A?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
thank you :)
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