17: Viet phuong trinh mat phang (a) di qua diem A(1,-2.1) va song song vdi(B): 2x-y-4=0 D A. (α):2x-y+4=0 B. (a):2x-y=0 C. (a):2x-y-4=0 D. Khòng co (a) 相关知识点: 试题来源: 解析 D 反馈 收藏
百度试题 结果1 题目83: Viet phuong trinh mat phang (a) qua A(2.-1.3) và vuong goc vi Oy B A. (α):x-2=0 B. (a):y+1=0 C. (a):z-3=0 D. (α):3y+z=0 相关知识点: 试题来源: 解析 B 反馈 收藏
Lap phuong trinh tong quat cua mat phang (Q) qua A(4;-1:2) va chwa Oy.( A. (Q): x +4y=0 B. ▱:x-3z+2=5 C. [Q): x-2z =0 D. [Ci:2y+z=] E. (Q):y +z-1=0 相关知识点: 试题来源: 解析 C 反馈 收藏
x=1-t(d):y=t Cau 17: Viet phuong trinh mat cau tiep xu c voi hai duòng thang z=-1vàx=2u(A):y=1+u z=u và có tam thuó c mat phang (P): 2x-y+z-3=0? C(x+5/2)^2+(y-3)^2+(z-1)^2=(113)/8 +(y-3)2+(z-1)2 = A.8 B.|x-5/2|^2+(y+3...
Cau 19. Trong mat phang Oxycho(C):(x-2)^2+(y-1)^2=4 iet phuong trinh tiep tuyen cua duong tron (C), biet tiep tuyen song song voi d : 4z - 3y - 5 = 0. A 3r +4y-1=0 hoac 3r +4y-21 =0. B. 4r- 3y-1-0 hoac 4z- 3y + 21-0. C 4r-3y-1-0 hoac ...
Cau 8: Trong khong gian Oxy-, cho mat phang (P) co phuong trinh x+2y-3--2=0. Diem nao sau day thuoc mat phang (P)? D A. (0; 2;-3). B. (1; 2; 3). C. (1;2;-3). D. (2;3;2). 相关知识点: 试题来源: 解析 D ...