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2021_F2_Maths_CH5_二元一次方程

Authored by shun lin

Mathematics

7th - 8th Grade

Used 11+ times

2021_F2_Maths_CH5_二元一次方程
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20 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

下列何者是二元一次式?

x+y=1
x+2x+1
x+2y
x2+x+1

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

下列哪些為二元一次方程式?

2y+x-32=1

x=4y-1

x+y=x+2

x+y

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

x=7,y=-1是xky=15的解,則k=?

-3

-4

3

8

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

x=3 , y=-1是二元一次方程式ax+by=5的解,則-9a+3b-7=?

2

8

-2

-22

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

下列有幾個式子不是二元一次方程式

(1)x+y=33+y

(2)x+y-4

(3)x2+3=2y-4

(4)x=y

(5)3x-5≤5y+1

1

2

3

4

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

二元一次方程式的圖形為何?

一條直線

一條曲線

一個點

一個圓

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

方程式2xy=4與x軸、y軸的交點坐標分別為何?

(2,4)

(4,2)

(2,0)(0,4)

(0,4)(3,0)

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