
翰林國中數學3下CH1-1-簡易二次函數圖形
Authored by 翰林數學 翰林數學
Mathematics
9th Grade
認識二次函數 covered
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
如圖為函數 y=ax2+bx+c 在坐標平面上的圖形,則當 x=0 時,所對應的函數值為何?
-1
0
-2
8
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
設 y=2x2-5x+6,若 x=1 時,y 值為 a,若 x=-1 時,y 值為 b,則 a+b=?
0
2
6
16
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
哈特利在描繪某個二次函數的圖形時,先列出 x 與 y 的對應值如下,則在(0 , -2)與(1 , 0)之間還有多少個點?
0 個
1 個
不一定
無限多個
Tags
認識二次函數
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
二次函數的圖形在坐標平面上的圖形為下列何者?
拋物線
一直線
不規則曲線
兩條相交的線
Tags
認識二次函數
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
如圖,坐標平面上有一透明片,透明片上有一拋物線及一點 P,且拋物線為二次函數 y=x2 的圖形,P 的坐標為(2 , 4)。若將此透明片向右、向上移動後,得拋物線的頂點坐標為(7 , 2),則此時 P 的坐標為何?〔97. 基測Ⅰ〕
(9 , 4)
(9 , 6)
(10 , 4)
(10 , 6)
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
小威向斜上方的籃框丟出籃球,則籃球的行經路線為一拋物線。若此拋物線的最高點為原點,則下列哪一個點不可能在此拋物線上?
(3 , -3)
(6 , -12)
Tags
y=ax² 的圖形
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
已知函數 y=ax2+bx+c 的圖形為一拋物線,則下列何者必不能為 0?
a
b
c
a、b、c 皆不能為 0
Tags
認識二次函數
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