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南一國中數學1下ch2-2

Authored by 數學 南一

Mathematics

7th Grade

Used 9+ times

南一國中數學1下ch2-2
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列哪一個選項中的兩條直線垂直?

x+2y=3,2xy=3

x=7,y=11

5xy=10,y=5x+10

4x+3y=12,x=-0.75y+3

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

已知坐標平面上二個點D ( 8 , 0 )、E ( 5 , 4 ),直線DE的方程式為yaxb,則下列何者為正整數?

2ab

ab

ab

2ab

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

在坐標平面上,若 ( a , 1 )、(-2 , b )、(-c , 3 ) 三點都在直線2xy=3xy+1上,且axbyc的圖形交x軸、y軸於AB兩點,O為原點,則三角形AOB之面積為何?

25

26

27

28

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

在直角坐標平面上,一直線L的方程式為x+2y=2,則下列哪一點與原點之連線段會與L相交?

( 1 , 0 )

( 1 , 1 )

( 3 ,-3 )

(-5 , 1 )

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

如附圖,四邊形ABCD是平行四邊形。若將它畫在一坐標平面上,其中B (-5 , 0 ),C ( 4 , 0 ),且平行四邊形ABCD的面積為36,則直線AD的方程式是下列何者?

x=4

x=8

y=4

y=8

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

坐標平面上,三條直線xy+1=0、x+4y=24、x=0所圍成三角形的面積等於多少?

10

12

20

24

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

坐標平面上有兩直線2x+7ym、2xayn相交於一點( 3 , 2 ),若m=2n,則a之值為何?

1

2

3

4

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