一元二次方程

一元二次方程

10th Grade

10 Qs

quiz-placeholder

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一元二次方程

一元二次方程

Assessment

Quiz

Mathematics

10th Grade

Hard

Created by

Mr. Hau侯老師

Used 40+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 3x2+2x1=03x^2+2x-1=0  

 13\frac{1}{3}  或 1-1  

 13-\frac{1}{3}  或 1

沒有實解

 13\frac{1}{3}  或 12\frac{1}{2}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x26x+9=0x^2-6x+9=0  

3

 3-3  

 95\frac{9}{5}  

3 或  3-3  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (x3)(x+2)=2(x3)\left(x-3\right)\left(x+2\right)=2\left(x-3\right)  

3

0 或 3

 4-4 或 3

0 或 2

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 x29=8xx^2-9=8x  

 3-3  或 3

 1-1  或 9

1 或 9-9  

沒有實解

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 x2+x=3x8x^2+x=3x-8  

 4-4  或 2

 2-2  或 4

1.46 或  5.46-5.46  

沒有實解

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 x(x3)=4x\left(x-3\right)=4  

0 或 3

 1-1  或 4

 3-3  或 0

 4-4  或 1

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 α\alpha 為方程 x^2-4x+9=0  的根,則 3+8α2α2=3+8\alpha-2\alpha^2= 

12

21

 15-15  

 6-6  

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