位置:首页 > 题库频道 > 学历类 > 升学考试 > 高中(高考) > 数学(文科) > 高中数学代数与函数一其他练习题1341

关于x的不等式x2+px-2<0的解集是(q,1),则p+q的值为 

发布时间:2021-07-20

A.-2

B.-1

C.1

D.2

试卷相关题目

  • 1下列续集中正确的个数是 ①命题“存在x∈R,x2﹣x>0”的否定是“任意x∈R,x2﹣x>0”; ②命题“若am2<bm2,则a<b”的逆命题是真命题; ③若¬p是q的必要条件,则p是¬q的充分条件; ④任意x∈R,不等式x2+2x>4x﹣3均成立.

    A.1个

    B.2个

    C.3个

    D.4个

    开始考试点击查看答案
  • 2二次不等式ax2+bx+c>0的解集是全体实数的条件是(  )

    A.a>0△>0

    B.a>0△<0

    C.a<0△>0

    D.a<0△<0

    开始考试点击查看答案
  • 3若关于x的不等式ax2+bx+21<0的解集为http://picflow.koolearn.com/upload/papers/g02/20120914/201209142138078061971.png,则a等于

    A.1

    B.2

    C.3

    D.4

    开始考试点击查看答案
  • 4设函数f(x)=http://picflow.koolearn.com/upload/papers/g02/20120401/201204011541269351475.gif,则不等式f(x)≥2x2的解集是

    A.http://picflow.koolearn.com/upload/papers/g02/20120401/201204011541269831025.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20120401/201204011541270121029.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20120401/201204011541270401081.gif

    D.[ -1,1]

    开始考试点击查看答案
  • 5不等式2x2﹣x﹣1>0的解集是  

    A.http://picflow.koolearn.com/upload/papers/g02/20120828/20120828095113447775.png

    B.(1,+∞)

    C.(﹣∞,1)∪(2,+∞)

    D.http://picflow.koolearn.com/upload/papers/g02/20120828/20120828095113470818.png∪(1,+∞)

    开始考试点击查看答案
  • 6在R上定义运算⊙:a⊙b=ab+2a+b,则满足x⊙(x-2)<0的实数x的取值范围为

    A.(0,2)

    B.(-2,1)

    C.http://picflow.koolearn.com/upload/papers/g02/20111124/201111241409579531054.gif

    D.(-1,2)

    开始考试点击查看答案
  • 7在R上定义运算http://picflow.koolearn.com/upload/papers/g02/20111110/20111110143734343864.gif:xhttp://picflow.koolearn.com/upload/papers/g02/20111110/20111110143734343864.gify=x(1-y),若不等式(x-a)http://picflow.koolearn.com/upload/papers/g02/20111110/20111110143734359864.gif(x+a)<1对任意实数x成立,则

    A.-1<a<1

    B.0<a<2

    C.http://picflow.koolearn.com/upload/papers/g02/20111110/201111101437343901010.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20111110/201111101437344211010.gif

    开始考试点击查看答案
  • 8已知不等式ax2+bx+c>0的解集为{x|2<x<4},则不等式cx2+bx+a<0的解集为 

    A.{x|x>http://picflow.koolearn.com/upload/papers/g02/20120923/20120923152018076558.png}

    B.{x|xhttp://picflow.koolearn.com/upload/papers/g02/20120923/20120923152018204813.png}

    C.{x|http://picflow.koolearn.com/upload/papers/g02/20120923/20120923152018331554.pnghttp://picflow.koolearn.com/upload/papers/g02/20120923/201209231520184601285.png}

    D.{x|xhttp://picflow.koolearn.com/upload/papers/g02/20120923/20120923152018607808.pnghttp://picflow.koolearn.com/upload/papers/g02/20120923/201209231520187351382.png}

    开始考试点击查看答案
  • 9当|m|≤1时,不等式﹣2x+1<m(x2﹣1)恒成立,则x的取值范围是

    A.(﹣1,3)

    B.(0,﹣1+http://picflow.koolearn.com/upload/papers/g02/20120821/20120821113517083736.png

    C.(﹣3,1)

    D.(﹣1+http://picflow.koolearn.com/upload/papers/g02/20120821/20120821113517142736.png,2)

    开始考试点击查看答案
  • 10不等式-x2+4x-4>0的解集是

    A.R

    B.image.png

    C.(0,+∞)

    D.(-∞,0)

    开始考试点击查看答案
返回顶部