絶対値の方程式・不等式
Authored by 藤井 文彦470t107
Mathematics
9th Grade
Used 2+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
次の式の絶対値を外すと…
(1)
x=2
x=-2
x=2,-2
わからない
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
次の式の絶対値を外すと…
(2)
x-2=1
x-2=±1
x-2=-2
わからない
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
次の式の絶対値を外すと…
(3)
2x+3=±7
2x+3=7
2x+3=-7
わからない
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
次の式の絶対値を外すと…
(4)
-4<x<4
x<-4 , 4<x
x<±4
わからない
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
次の式の絶対値を外すと…
(5) ≧４
x≦-4 , 4≦x
-4≦x≦4
x≧±4
わからない
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
次の式の絶対値を外すと…
(6) <1
2x-1≦-1 , 1≦2x-1
-1<2x-1<1
2x-1<±1
わからない
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
次の式の絶対値を外すと…
(7) ≧5
7x+6≦-5 , 5≦7x+6
-5<7x+6<5
7x+6≧±5
わからない
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