若ab<0,則(a,b)會落在第幾象限?

學伴-段考複習

Quiz
•
Mathematics
•
7th Grade
•
Hard
辜靖倫 辜靖倫
Used 1+ times
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18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
第一或第三象限
第二或第四象限
第三或第四象限
第一或第四象限
2.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
在座標平面圖上
二元一次方程式都是__
直線
曲線
馬甲線
紫外線
3.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
若(m,n)在第二象限,則下列何者正確?
(n,m)在第三象限
(-n,m)在第四象限
(-n,-m)在第四象限
(-m,n)在第一象限
4.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
設(a,b)在第三象限,則下列敘述何者不一定正確?
a+b<0
a-b>0
a×b>0
a÷b>0
5.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
下列哪一個點不在直線y=-2x+3的圖形上?
(1/2 , 2)
(5,-7)
(1,1)
(3/2 , 1)
6.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
下列有關二元一次方程式圖形的敘述何者正確?
y=0的圖形剛好是y軸
y=x的圖形和x軸平行
x=6的圖形垂直y軸
y=-4x+5的圖形不通過第三象限
7.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
(2,3)、(1,2)、(-1,-2)、(-3,-2)、(1/5,0) 五點中,有幾個點恰好在直線5x-3y=1上?
2
5
3
0
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