一元一次函数
Authored by Bryan Chan
Mathematics
3rd Grade
Used 54+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
一元一次函數中指一元是指一個未知數。
False
True
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
當y=ax+b(a≠0)中的b=0時，則函數必通過原點(0，0)。
False
True
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在y=kx+b(k>0)時，函數是減函數。
False
True
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
若y=kx+b(k>0,b>0),則函數通過那三個象限？
一
二
三
四
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
設函數 f (x)＝－2x＋9，則 x=1 的函數值為何？
-7
7
0
11
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一次函數y=2x+2的圖像如圖所示，則由圖像可知，方程2x+2=0的解為______。
x=-1
x=2
x=0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若一次函數f(x)＝ax－3，其中a＞0，則下列哪一個選項可能是此函數圖形？
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