1下 2-1 直角坐標平面
Quiz
•
Mathematics
•
7th Grade
•
Hard
康軒數位 康軒數位
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若ab<0,則(a,b)會落在第幾象限?
第二或第四象限
第一或第三象限
第一或第四象限
第三或第四象限
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知在坐標平面上有四個點:A(-3,2)、B(2,-3)、C(-2,3)、D(3,-2),那麼與x軸相距3個單位長,與y軸相距2個單位長,且在第四象限的點是哪一個?
A點
B點
C點
D點
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若(m,n)在第三象限,則下列哪一個點不在第四象限?
(-m,n)
(-n,m)
(-m,m+n)
(m,-n)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在坐標平面上一點P(3a-7,2b+3)在第四象限,則點(a,b)必落在第幾象限?
第一象限
第二象限
第三象限
第四象限
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在在坐標平面上,A點與x軸的距離為3,與y軸的距離為5,則A點的坐標為何?
(0,-3)
(-3,-5)
(-5,-3)
(5,0)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知A(2,2)、B(-2,2)為在坐標平面上的兩點,請問下列敘述何者正確?
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