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In the \(xy\)-plane, the origin \(O\) is the midpoint of line segment \(PQ.\) If the coordinates of \(P\) are \((r,s),\) what are the coordinates of \(Q ?\)
A. \((r,s)\)
B. \((s,–r)\)
C. \((–s,–r)\)
D. \((–r,s)\)
E. \((–r,–s)\)
[spoiler]OA=E[/spoiler]
Source: Official Guide
A. \((r,s)\)
B. \((s,–r)\)
C. \((–s,–r)\)
D. \((–r,s)\)
E. \((–r,–s)\)
[spoiler]OA=E[/spoiler]
Source: Official Guide
