初一一元一次不等式组练习题 5
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(一)填空
1.不等式组中所有不等式的______叫做不等式组的解集.
14.同时满足不等式-3x≤12和12x-1<3x-1的负整数解是______.
15.不等式-3<1-2x<5的整数解为______.
(二)选择
[ ]
A.x<1;
B.x≥2;
C.空集;
D.1<x≤2.
[ ]
A.1;
B.0;
C.-1;
D.-2.
[ ]
A.x>b;
B.x<a;
C.空集;
D.a<x<b.
[ ]
[ ]
A.空集;
[ ]
C.x≥0;
D.x≥-2.
[ ]
[ ]
A.x>-3;
B.x<5;
C.-3<x<5;
D.空集.
[ ]
A.x>-3;
B.x>5;
C.5<x<7;
D.x<7.
[ ]
A.5;
B.4;
C.3;
D.2.
[ ]
A.-2<x≤4;
B.x>6;
C.空集;
D.x>-2.
[ ]
A.3;
B.2;
C.1;
D.0.
[ ]
A.2;
B.1;
C.0;
D.无数多个.
33.已知a>b>c,下面不等式组的解集为空集的是[ ]
[ ]
A.-4<x≤4;
B.-4<x≤2;
C.-3<x≤4;
D.-4<x<2.
(一)填空
1.不等式组中所有不等式的______叫做不等式组的解集.
14.同时满足不等式-3x≤12和12x-1<3x-1的负整数解是______.
15.不等式-3<1-2x<5的整数解为______.
(二)选择
[ ]
A.x<1;
B.x≥2;
C.空集;
D.1<x≤2.
[ ]
A.1;
B.0;
C.-1;
D.-2.
[ ]
A.x>b;
B.x<a;
C.空集;
D.a<x<b.
[ ]
[ ]
A.空集;
[ ]
C.x≥0;
D.x≥-2.
[ ]
[ ]
A.x>-3;
B.x<5;
C.-3<x<5;
D.空集.
[ ]
A.x>-3;
B.x>5;
C.5<x<7;
D.x<7.
[ ]
A.5;
B.4;
C.3;
D.2.
[ ]
A.-2<x≤4;
B.x>6;
C.空集;
D.x>-2.
[ ]
A.3;
B.2;
C.1;
D.0.
[ ]
A.2;
B.1;
C.0;
D.无数多个.
33.已知a>b>c,下面不等式组的解集为空集的是[ ]
[ ]
A.-4<x≤4;
B.-4<x≤2;
C.-3<x≤4;
D.-4<x<2.
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