
1.3 二次根式性质和计算复习
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Medium
shirley shao
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
使式子 有意义的,x的取值范围是
x≥- ,且x≠1
x≠1
x≥-
x>- ,且x≠1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
对任意实数a,下列等式一定成立的是
=a
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
=______ ,当a为实数
a
-a
-1
0
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
是正整数,则实数n的最大值为
12
11
8
3
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
,则a的取值范围是
a>1
a≥1
a<1
D.a≤1
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
化简以上二次根式 的结果是
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
已知 ,则a的取值范围是
a≤0
a<0
0<a≤1
a>0
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