20220425_2次方程式-解の公式

20220425_2次方程式-解の公式

9th Grade

6 Qs

quiz-placeholder

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20220425_2次方程式-解の公式

20220425_2次方程式-解の公式

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

Created by

Takayuki Yokoi

Used 12+ times

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6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

① x2-5x+3=0

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Media Image
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Media Image

その他

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

② x2+2x-1=0

x=-1

x=±1

x=1±√2

x=-1±√2

その他

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

③ x2+6x+5=0

x=1,5

x=-1,-5

x=-3±√14

x=3±√14

その他

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

④ 3x2-x-1=0

Media Image
Media Image
Media Image
Media Image

その他

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

⑤ 5x2+2x-3=0

Media Image
Media Image
Media Image
Media Image

その他

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

⑥ x2+8x+16=0

x=4

x=-4

x=4±4√2

x=-4±4√2

その他

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