一元二次方程式

一元二次方程式

8th Grade

10 Qs

quiz-placeholder

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一元二次方程式

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一元二次方程式

一元二次方程式

Assessment

Quiz

Mathematics

8th Grade

Medium

Created by

蔡茹鈴 蔡茹鈴

Used 14+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x2144=0x^2-144=0  

12

-12

12或-12

無解

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 x2+11x+28=0x^2+11x+28=0  


4

7

-4

-7

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 2x213x7=02x^2-13x-7=0  


 12\frac{-1}{2}  

 1-1  

 72-\frac{7}{2}  

7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x24x+4=0x^2-4x+4=0  

2

2(重根)

 2-2  

 2-2  (重根)

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 3x232x+64=03x^2-32x+64=0  

 83\frac{8}{3}  

8

 43\frac{4}{3}  

16

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x=3為x2+4xm=0的一個解,求m的值。

21

-21

9

12

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x2-5x=0

0

5

0或5

-5

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