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解ㄧ元二次方程式

Authored by chang shengchi

Mathematics

8th Grade

Used 46+ times

解ㄧ元二次方程式
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11 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

下列哪些為一元二次方程式?(複選)

-3x+5=x2

(3-x)(2-x)

3x2x3=-1

(y-1)2=y

2.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

下列敘述哪些正確?(複選)

-2 是 x2 -3x-10=0 的一個解

3 是 (x-3)(x+2)=0的一個解

4是(x+1)(3x+2)=0 的一個解

1 是 3x2 -5x-4=0 的一個解

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

解一元二次方程式x2-5x+6=0

x=3 or 2

x= 3 or -2

x=6 or 1

x= -6 or -1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

解一元二次方程式x2+6x+8=0

x= 4 or 2

x= -4 or -2

x= 8 or 1

x= - 4 or 2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

解一元二次方程式x2-4x-12=0

X= 12 or 1

X= 3 or 4

X= 6 or -2

X= 6 or 2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

解一元二次方程式x2+6x-16=0

x= 4 or 4

x= -2 or 8

x= 2 or 8

x= 2 or -8

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

解一元二次方程式x2-13x+36=0

x= 4 or 9

x= 3 or 12

x= -4 or -9

x=5 or 7

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