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Mathematics 22 Online
OpenStudy (anonymous):

Reflect pentagon ABCDE across the y-axis. What are the coordinates of B’? A) (-5, 3) B) (-4, 3) C) (-3, 2) D) (4, -3)

OpenStudy (anonymous):

http://gyazo.com/f3151fd3c5ac1ad491e1a8dac63ae12d

OpenStudy (anonymous):

Reflecting across the y-axis just changes the x-coordinate of each point to its opposite. The y-coordinate stays the same because it's not moving up or down. Does that make sense?

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