
南一國中數學1下ch2-2
Authored by 數學 南一
Mathematics
7th Grade
Used 9+ times

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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=3,2x+y=3
x=7,y=11
5x-y=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y=ax+b,則下列何者為正整數?
2a+b
a+b
a-b
2a-b
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2x+y=3x-y+1上,且ax+by=c的圖形交x軸、y軸於A、B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
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x-y+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+7y=m、2x+ay=n相交於一點( 3 , 2 ),若m=2n,則a之值為何?
1
2
3
4
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