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二次函數圖像

Authored by houlongg hahaha

Mathematics

9th Grade

Used 2+ times

二次函數圖像
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

二次方程的圖像是甚麼形状?

直線

抛物線

圓形

正方形

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

當二次方程的二次項係數大於0時,圖像的開口是向上還是向下的抛物線?

開口向上

開口向左

開口向右

開口向下

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

當二次方程的二次項係數小於0時,圖像的開口是向上還是向下的抛物線?

開口向左

開口向下

開口向右

開口向上

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

二次方程的圖像的最大值或最小值是多少?

取決於二次項係數的正負

取決於二次項係數的絕對值

取決於常數項的正負

取決於一次項系數的正負

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

二次方程的圖像的頂點是甚麼?

直線的交點

抛物線的最低點或最高點

抛物線的對稱軸

抛物線的焦點

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

二次方程的圖像的對稱軸是甚麼?

x = b/2a

x = a/2b

x = -a/2b

x = -b/2a

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

拋物線的頂點座標是

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