Đề kiểm tra 1 tiết môn toán lớp 12 phần giải tích chương 3 đề số 141

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 + 2x – 6y – 6 = 0
a) Tìm tâm, bán kính
b) Viết phương trình mặt phẳng ( α ) tiếp xúc (S). Biết ( α )// ( β ) : x + 2y + 2z – 1 = 0
Câu 2(7 đ): Cho 4 điểm A(1,1,4); B(1,2,-4) , C(2,5,1) ; D(6,1,-1)
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 C tiếp xúc mặt phẳng (ABD)
d) Viết phương trình mặt phẳng trung trực đoạn AB
B ÀI L ÀM
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