kiem tra dai so 10 chuong 1 - Pdf 44

H v tờn: ...Lp
Trng THPT Trõn Phu
Kiờm tra chng 1- ai sụ 10
Tụ toan tin
Thi gian: 45 phut
I.Phn trc nghim: 5
Cõu 1: Trong cac tp hp sau, tp hp no l tp rng?
2
A. M = { x ẻ Ô 3x + 2 = 0}
B. M = { x ẻ Â x - 1 = 0}
C.

{

}.

M = x ẻ Ă x2 - 6x + 9 = 0

D. M

Cõu 2: Sụ tp con ca tp A = { 1;2;3} l:
A. 5.
B. 6.

{

}

= x ẻ Ơ 2x2 - 1 = 0

C. 8.

C. ặ.
D. ( -

.
7;- 4ự


Cõu 9: Cho 2 tp hp M = ộờở- 4;7ựỷỳ; N = ( - Ơ ;- 2) ẩ ( 3; +Ơ ) . Xac nh M ầ N .
A. M ầ N = ộờở- 4;2) ẩ ( 3;7)
.B. M ầ N = ( - 4;- 2) ẩ ( 3;7ựỳỷ.
C. M ầ N = ( - 4;- 2) ẩ ( 3;7)
.D. M ầ N = ộờ- 4;2) ẩ ( 3;7ựỳ.


Cõu 10: Cho 2 tp khac rng A = ( m A. - 1 < m < 5.
B. m > - 3 .

2
C = { x Ă : x + 7 x 8 = 0}
2

).

7;3) .

1;4ự

ỷ;B = ( - 2;2m + 2) , m ẻ Ă

. Tỡm m ờ A ầ B ạ ặ .

bng cach nờu tớnh cht c trng ca tp hp.



Bài làm:
Phần trắc nghiệm :
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