ĐỀ KIỂM TRA 1 TIẾT CHƯƠNG 3
ĐỀ
MÔN: TOÁN (HÌNH HỌC) – LỚP 12
Thời gian:....
Câu 1(3 đ) : Cho mặt cầu (S) : x2 + y2 + z2 + 6x + 4z + 4 = 0
a) Tìm tâm, bán kính
b) Viết phương trình mặt phẳng ( α )tiếp xúc (S). Biết ( α ) // ( β ) : 2x + 3y + 6z – 1 = 0
Câu 2: Cho 4 điểm A(1,1,1); B(0,2,4) , C(2,-4,1) ; D(-4,0,4)
a) Viết phương trình tham số đường thẳng đi qua A và C
b) Viết phương trình mặt cầu tâm A và đi qua B
c) Viết phương trình mặt cầu tâm A tiếp xúc mặt phẳng (BCD)
d) Viết phương trình mặt phẳng trung trực đoạn BD
B ÀI L ÀM
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................