Kiểm tra 15 phút-H.Học 11 đề 1 - Pdf 65

Trường THPT Nguyễn Hữu Thận KIÓM TRA 15'
Líp 11........ M«n: HÌNH HỌC 11(CB)
Hä vµ tªn:.......................................... Ngày kiểm tra:...............Ngày trả bài:.............
Điểm Nhận xét của Thầy, Cô giáo
Cho điểm A(-3; 1), đường thẳng d: x + y + 4 = 0, đường tròn (C):
2 2
12 14 21 0x y x y+ − + + =
.
Tìm ảnh của A, d, (C) qua phép đối xứng tâm O.
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