Search Header Logo

八年級數學-一元二次方程式

Authored by 蔡佩旻 蔡佩旻

Mathematics

8th Grade

Used 12+ times

八年級數學-一元二次方程式
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列何者化簡後為一元二次方程式?

-3x2-5x+4

(5x-2)(7x-3)=x-2 

6x2-2x+3=6x2+x+4

(x+3)2=x2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

已知方程式(x-1)(3x+2)=0,則 3x+2=? 

5 或 0

-2/3或 0

-或 1

0

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

下列何者為方程式 x2+10x=0 的解? 

10

-10 

5

-5

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

下列選項中,哪個可以是(x+1)(x-2)=18 的解? 

3

4

5

6

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

若 a 是 4x2-5x-2=0 的解,則 8a2-10a+3=? 

7

8

9

10

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

關於(x+2)(x-3)=-4 的敘述,下列何者正確? 

可由(x+2)=2,(x-3)=-2 找到 x 的解

x 會有無限多個解 

x 的解為-1 或-4

 x 的解為 2 或-1

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

下列各方程式何者的根恰有一個為 0? 

 4x+3=0 

x2-4=0

3x2+5x=0 

3x2-10x-8=0

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Microsoft

Continue with Microsoft

or continue with

Facebook

Facebook

Apple

Apple

Others

Others

By signing up, you agree to our Terms of Service & Privacy Policy

Already have an account?