翰林國中數學3下CH1-1-簡易二次函數圖形
9th Grade
•10 Qs
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翰林國中數學3下CH1-1-簡易二次函數圖形
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Standards-aligned
翰林數學 翰林數學
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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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