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觀念統整復習110/08/27更新

Authored by 冠邦 陳

Mathematics

10th - 12th Grade

Used 52+ times

觀念統整復習110/08/27更新
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21 questions

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1.

MULTIPLE SELECT QUESTION

10 sec • 1 pt

求最大最小值通常要用

配方法

因式分解

算幾不等式

柯西不等式(數B無)

2.

MULTIPLE SELECT QUESTION

10 sec • 1 pt

何者正確


 \left(x-1\right)^2+\left(x-2\right)^2+\left(x-6\right)^2 
平方相加最小值發生在x為平均"3"代入

 \left(x-1\right)^2+\left(x-2\right)^2+\left(x-6\right)^2 
平方相加最小值發生在x為中位數"2"代入

 x1+x2+x6\left|x-1\right|+\left|x-2\right|+\left|x-6\right| 
絕對值相加最小值發生在x為平均"3"代入

 \left|x-1\right|+\left|x-2\right|+\left|x-6\right|
絕對值相加最小值發生在x為中位數"2"代入

3.

MULTIPLE SELECT QUESTION

10 sec • 1 pt

三次乘法公式 a3+b3=a^3+b^3= 

 (a+b)33ab(a+b)\left(a+b\right)^3-3ab\left(a+b\right)  

 (ab)3+3ab(ab)\left(a-b\right)^3+3ab\left(a-b\right)  

 (a+b)(a2ab+b2)\left(a+b\right)\left(a^2-ab+b^2\right)  

 (ab)(a2+ab+b2)\left(a-b\right)\left(a^2+ab+b^2\right)  

4.

MULTIPLE SELECT QUESTION

10 sec • 1 pt

三次乘法公式 a3b3=a^3-b^3= 

 (a+b)33ab(a+b)\left(a+b\right)^3-3ab\left(a+b\right)  

 (ab)3+3ab(ab)\left(a-b\right)^3+3ab\left(a-b\right)  

 (a+b)(a2ab+b2)\left(a+b\right)\left(a^2-ab+b^2\right)  

 (ab)(a2+ab+b2)\left(a-b\right)\left(a^2+ab+b^2\right)  

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 (      )2+(      )2\sqrt{\left(\ \ \ \ \ \ \right)^2+\left(\ \ \ \ \ \ \right)^2}  通常是用來表示

平均

距離

斜率

面積

6.

MULTIPLE SELECT QUESTION

20 sec • 5 pts

判別式 D=b24acD=b^2-4ac 表示

D>0,兩解(拋物線和x軸交兩點)

D>0,無解(拋物線和x軸無交點)

D=0,唯一解(拋物線和x軸相切)

D<0,兩解(拋物線和x軸交兩點)

D<0,無解(拋物線和x軸無交點)

7.

MULTIPLE SELECT QUESTION

20 sec • 5 pts

哪些是餘式定理

把除式弄成0就可以得到餘式

把餘式弄成0就可以得到除式

f(x)除以(x-2)的餘式=f(2)

f(11)=f(x)除以(x-11)的餘式

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