新高考數(shù)學(xué)一輪復(fù)習(xí)2.1 不等式的性質(zhì)及一元二次不等式（精練）（基礎(chǔ)版）（原卷版）

2.1不等式的性質(zhì)及一元二次不等式（精練）（基礎(chǔ)版）題組一題組一不等式的性質(zhì)1．（2022·廣東肇慶·模擬預(yù)測(cè)）(多選）若SKIPIF1<0，則下列不等式中正確的有（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<02．（2022·全國(guó)·高三專(zhuān)題練習(xí)）（多選）已知0＜a＜b＜1＜c，則下列不等式一定成立的是（）A．a(chǎn)c＜bc B．ca＜cbC．logac＞logbc D．sinc＞sina3．（2022·北京密云·高三期末）已知SKIPIF1<0，且SKIPIF1<0，SKIPIF1<0，則下列不等式中一定成立的是（

）A．SKIPIF1<0 B．SKIPIF1<0C．SKIPIF1<0 D．SKIPIF1<04．（2022·湖南省隆回縣第二中學(xué)高三階段練習(xí)）（多選）已知SKIPIF1<0，且SKIPIF1<0，則下列結(jié)論正確的是（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<0題組二題組二代數(shù)式的范圍1．（2022·全國(guó)·高三專(zhuān)題練習(xí)）（多選）已知實(shí)數(shù)x，y滿(mǎn)足SKIPIF1<0則（

）A．SKIPIF1<0的取值范圍為SKIPIF1<0 B．SKIPIF1<0的取值范圍為SKIPIF1<0C．SKIPIF1<0的取值范圍為SKIPIF1<0 D．SKIPIF1<0的取值范圍為SKIPIF1<02．（2022·四川省廣安代市中學(xué)校）設(shè)SKIPIF1<0、SKIPIF1<0滿(mǎn)足SKIPIF1<0，則SKIPIF1<0的最大值為_(kāi)_____.3．（2022·浙江·高三專(zhuān)題練習(xí)）已知SKIPIF1<0，則SKIPIF1<0的取值范圍是_____．4．（2022·全國(guó)·高三專(zhuān)題練習(xí)（文））已知SKIPIF1<0，SKIPIF1<0，則SKIPIF1<0的取值范圍是___________.5．（2022·全國(guó)·高三專(zhuān)題練習(xí)）已知有理數(shù)a，b，c，滿(mǎn)足SKIPIF1<0，且SKIPIF1<0，那么SKIPIF1<0的取值范圍是_________．題組三題組三比較大小1．（2022·全國(guó)·模擬預(yù)測(cè)）已知實(shí)數(shù)SKIPIF1<0滿(mǎn)足SKIPIF1<0，則下列不等式恒成立的是（

）A．SKIPIF1<0 B．SKIPIF1<0C．SKIPIF1<0 D．SKIPIF1<02．（2022·黑龍江大慶·高三階段練習(xí)）已知SKIPIF1<0，SKIPIF1<0，SKIPIF1<0，則（

）A．SKIPIF1<0 B．SKIPIF1<0C．SKIPIF1<0 D．SKIPIF1<03．（2022·重慶·模擬預(yù)測(cè)）若SKIPIF1<0，則（

）A．SKIPIF1<0 B．SKIPIF1<0C．SKIPIF1<0 D．SKIPIF1<04．（2022·廣東佛山·高三階段練習(xí)）已知實(shí)數(shù)a，b滿(mǎn)足SKIPIF1<0，SKIPIF1<0，則下列判斷正確的是（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<05．（2022·重慶·高三階段練習(xí)）已知SKIPIF1<0，SKIPIF1<0，SKIPIF1<0則a，b，c的大小關(guān)系為（

）A．a(chǎn)>b>c B．c>b>a C．b>a>c D．SKIPIF1<06．（2022·湖南·高三階段練習(xí)）（多選）已知實(shí)數(shù)m，n滿(mǎn)足SKIPIF1<0，則下列結(jié)論正確的是（

）A．SKIPIF1<0 B．SKIPIF1<0C．SKIPIF1<0 D．SKIPIF1<07．（2022·重慶市育才中學(xué)）（多選）若a＞b＞0＞c，則(

)A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<0題組四題組四已知一元二次不等式的解求參1．（2022·全國(guó)·高三專(zhuān)題練習(xí)）（多選）已知不等式SKIPIF1<0的解集為SKIPIF1<0，則下列結(jié)論正確的是（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<02．（2022·浙江·高三專(zhuān)題練習(xí)）若關(guān)于SKIPIF1<0的方程SKIPIF1<0有兩個(gè)不同的正根，則實(shí)數(shù)SKIPIF1<0的取值范圍是（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<03．（2022·全國(guó)·高三專(zhuān)題練習(xí)）已知關(guān)于SKIPIF1<0的一元二次不等式SKIPIF1<0的解集中有且僅有5個(gè)整數(shù)，則SKIPIF1<0的取值范圍是（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<04．（2022·全國(guó)·高三專(zhuān)題練習(xí)）關(guān)于x的不等式SKIPIF1<0的解集是SKIPIF1<0，則實(shí)數(shù)a的取值范圍為（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<05．（2022·湖南·長(zhǎng)郡中學(xué)高三階段練習(xí)）若關(guān)于x的不等式SKIPIF1<0的解集是SKIPIF1<0，則（

）A．SKIPIF1<0 B．SKIPIF1<0C．SKIPIF1<0 D．SKIPIF1<06．（2022·全國(guó)·高三專(zhuān)題練習(xí)）若關(guān)于SKIPIF1<0的不等式SKIPIF1<0的解集是SKIPIF1<0，則SKIPIF1<0______.7．（2022·全國(guó)·高三專(zhuān)題練習(xí)）若不等式SKIPIF1<0的解集為SKIPIF1<0，則不等式SKIPIF1<0的解集為_(kāi)__________.題組五題組五一元二次不等式的恒成立問(wèn)題1．（2022·浙江·高三專(zhuān)題練習(xí)）若存在SKIPIF1<0，使得不等式SKIPIF1<0成立，則實(shí)數(shù)k的取值范圍為（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<02．（2022·江蘇南通·高三階段練習(xí)）當(dāng)SKIPIF1<0時(shí)，不等式SKIPIF1<0恒成立，則實(shí)數(shù)SKIPIF1<0的取值范圍是（

）A．SKIPIF1<0 B．SKIPIF1<0C．SKIPIF1<0 D．SKIPIF1<03．（2022·北京·高三專(zhuān)題練習(xí)）若不等式SKIPIF1<0的解集為空集，則SKIPIF1<0的取值范圍是（

）A．SKIPIF1<0 B．SKIPIF1<0，或SKIPIF1<0C．SKIPIF1<0 D．SKIPIF1<0，或SKIPIF1<04．（2022·浙江·高三專(zhuān)題練習(xí)）已知使不等式SKIPIF1<0成立的任意一個(gè)SKIPIF1<0，都滿(mǎn)足不等式SKIPIF1<0，則實(shí)數(shù)SKIPIF1<0的取值范圍為（

）A．SKIPIF1<0 B．SKIPIF1<0C．SKIPIF1<0 D．SKIPIF1<05．（2022·全國(guó)·高三專(zhuān)題練習(xí)）不等式SKIPIF1<0對(duì)一切SKIPIF1<0恒成立，則實(shí)數(shù)SKIPIF1<0的取值范圍是（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<06．（2022·全國(guó)·高三專(zhuān)題練習(xí)）已知SKIPIF1<0，SKIPIF1<0，不等式SKIPIF1<0恒成立，則SKIPIF1<0的取值范圍為SKIPIF1<0SKIPIF1<0A．SKIPIF1<0，SKIPIF1<0，SKIPIF1<0 B．SKIPIF1<0，SKIPIF1<0，SKIPIF1<0C．SKIPIF1<0，SKIPIF1<0，SKIPIF1<0 D．SKIPIF1<0題組六題組六解含參的一元二次不等式1．（2022·全國(guó)·高三專(zhuān)題練習(xí)）設(shè)SKIPIF1<0，則關(guān)于SKIPIF1<0的不等式SKIPIF1<0的解集為（

）A．SKIPIF1<0或SKIPIF1<0 B．{x|x>a}C．SKIPIF1<0或SKIPIF1<0 D．SKIPIF1<02．（2022·浙江·高三專(zhuān)題練習(xí)）不等式SKIPIF1<0的解集為（

）A．SKIPIF1<0 B．SKIPIF1<0C．SKIPIF1<0 D．SKIPIF1<03．（2022·全國(guó)·高三專(zhuān)題練習(xí)）（多選）對(duì)于給定實(shí)數(shù)SKIPIF1<0，關(guān)于SKIPIF1<0的一元二次不等式SKIPIF1<0的解集可能是（

）A．SKIPIF1<0 B．SKIPIF1<