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指数方程式・不等式の基礎を固める

Authored by Kenji Takei

Mathematics

11th - 12th Grade

Used 6+ times

指数方程式・不等式の基礎を固める
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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 3x=813^x=81  を解け

 x=4x=4  

 x=3x=3  

 x=14x=\frac{1}{4}  

 x=13x=\frac{1}{3}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2x2=1282^{x+2}=128  を解け

 x=5x=5  

 x=3x=3  

 x=3x=-3  

 x=7x=7  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 3x=12433^x=\frac{1}{243}  を解け

 x=5x=5  

 x=15x=-\frac{1}{5}  

 x=5x=-5  

 x=15x=\frac{1}{5}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2x>162^x>16  を解け

 x>4x>4  

 x<4x<4  

 x>4x>-4  

 x<4x<-4  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2x<182^x<\frac{1}{8}  を解け

 x>3x>-3  

 x<3x<-3  

 x>3x>3  

 x<3x<3  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 5x2<11255^{x-2}<\frac{1}{125}  を解け

 x>1x>-1  

 x<1x<-1  

 x>5x>-5  

 x<5x<-5  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 32x1<2433^{2x-1}<243  を解け

 x>3x>3  

 x<3x<3  

 x>2x>2  

 x<2x<2  

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