配套习题- 不等式的基本性质 -【青果学院】

1/5单选题

难度：

1.若a＞b，则下列式子正确的是（　　）

A	-4a＞-4b
B
C	4-a＞4-b
D	a-4＞b-4

正确答案：RA==

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2/5单选题

难度：

2.如果关于x的不等式（a-1）x＞a-1的解集为x＜1，那么a的取值范围是（　　）

A	a≤1
B	a≥1
C	a＜1
D	a＜0

正确答案：Qw==

6Kej77ya55Sx5LqO5LiN562J5byP77yIYS0x77yJeO+8nmEtMeeahOino+mbhuS4unjvvJwx77yMPGJyPuWPr+efpeS4jeetieWPt+eahOaWueWQkeWPkeeUn+S6huaUueWPmO+8mnjvvJw8aW1nIHdpZHRoPTIyIGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzM4LzA2L3JCQUNGRldibVdQZ2ozam1BQUFCU3doREh6azcxNC5wbmciPu+8jDxicj7lj6/liKTmlq3lh7phLTHvvJww77yMPGJyPuaJgOS7pWHvvJwx77yOPGJyPuaVhemAiUPvvI4=

3/5单选题

难度：

3.不等式2（x-1）≥3x+4的解集是（　　）

A	x＜-6
B	x≤-6
C	x＞-6
D	x≥-6

正确答案：Qg==

6Kej77ya5Y675ous5Y+35b6X77yaMngtMuKJpTN4KzTvvIw8YnI+56e76aG55b6X77yaLXjiiaU277yMPGJyPuezu+aVsOWMluS4ujHlvpfvvJp44omkLTbvvI48YnI+5pWF6YCJQu+8jg==

4/5单选题

难度：

4.如果a＜b，那么下列不等式中一定正确的是（　　）

A	a-2b＜-b
B	a²＜ab
C	ab＜b²
D	a²＜b²

正确答案：QQ==

6Kej77yaQeOAgWHvvJxi5Lik6L655ZCM5pe25YePMmLvvIzkuI3nrYnlj7fnmoTmlrnlkJHkuI3lj5jlj6/lvpdhLTJi77ycLWLvvIzmlYXmraTpgInpobnmraPnoa7vvJs8YnI+QuOAgWHvvJxi5Lik6L655ZCM5pe25LmY5LulYe+8jOW6lOivtOaYjmHvvJ4w5omN5b6XYTxzdXA+Mjwvc3VwPu+8nGFi77yM5pWF5q2k6YCJ6aG56ZSZ6K+v77ybPGJyPkPjgIFh77ycYuS4pOi+ueWQjOaXtuS5mOS7pWLvvIzlupTor7TmmI5i77yeMOaJjeW+l2E8c3VwPmI8L3N1cD7vvJxiPHN1cD4yPC9zdXA+77yM5pWF5q2k6YCJ6aG56ZSZ6K+v77ybPGJyPkTjgIFh77ycYuS4pOi+ueWQjOaXtuS5mOS7peebuOWQjOeahOaVsO+8jOaVheatpOmAiemhuemUmeivr++8mzxicj7mlYXpgInvvJpB77yO

5/5单选题

难度：

5.下列说法中，错误的是（　　）

A	如果a＜b，那么a-c＜b-c
B	如果a＞b，c＞0，那么ac＞bc
C	如果a＜b，c＜0，那么ac＞bc
D	如果a＞b，c＜0，那么

正确答案：RA==

6Kej77yaQe+8jELvvIxD5Z2H56ym5ZCI5LiN562J5byP55qE5Z+65pys5oCn6LSo77yM5q2j56Gu77ybPGJyPkTjgIHkuI3nrYnlvI/kuKTovrnpg73pmaTku6XkuIDkuKrmraPmlbDvvIzkuI3nrYnlj7fnmoTmlrnlkJHkuI3lj5jvvIzplJnor6/vvJs8YnI+5pWF6YCJ77yaRO+8jg==