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中3数学 2次方程式「因数分解の考え方で解く」

Authored by N Semba

Mathematics

9th Grade

Used 2+ times

中3数学 2次方程式「因数分解の考え方で解く」
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10 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 x26x+5=0x^2-6x+5=0  

x=5

x=−5

x=1

x=−1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x2+14x+49=0x^2+14x+49=0  

x=7

x=−7

x=2

x=−6

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 x26x+8=0x^2-6x+8=0  

x=2

x=−4

x=−2

x=4

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 x213x+36=0x^2-13x+36=0  

x=6

x=4

x=9

x=−6

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 x225=0x^2-25=0  

x=5

x=−5

x=4

x=0

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 x2x56=0x^2-x-56=0  

x=−7

x=7

x=8

x=−8

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 x218x=0x^2-18x=0  

x=18

x=−18

x=0

x=2

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