初二數學一次函數複習
Quiz
•
Mathematics
•
8th Grade
•
Medium
塏俊 陳
Used 1+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一次函數的一般式是什麼?
y = ax^2 + bx + c
y = kx + b
y = kx + b
y = kx^2 + b
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
當k>0時,圖像是如何呈現的?
垂直
水平
從左至右向下傾斜
從左至右向上傾斜
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如何判斷兩條一次函數是否平行?
比較兩條函數的斜率(k),若(k)相等則兩條函數平行。
比較兩條函數的截距,若相等則兩條函數平行。
觀察兩條函數的圖形,若看起來平行則兩條函數平行。
計算兩條函數的面積,若相等則兩條函數平行。
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
已知一次函數y=kx+b,當k>0,b>0時,此一次函數經過哪幾個圖像
第一象限
第二象限
第三象限
第四象限
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
已知自變量為x的函數y=3x+m+2是正比例函數,則m=_
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
已知y=kx的正比例函數,當x=4時,y=12,則k=
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列各圖像表示的y與x的關係中,y不是x的函數的是
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