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多項式函數(二次、三次)

Authored by 柏豪 蘇

Mathematics

9th - 12th Grade

Used 4+ times

多項式函數(二次、三次)
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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

若二次函數在 x=−2x=-2 時有最大值為 88 ,則下列何者可能為此函數

y=−5(x−2)2+8y=-5\left(x-2\right)^2+8

y=−5(x+2)2+8y=-5\left(x+2\right)^2+8

y=−5(x+2)2−8y=-5\left(x+2\right)^2-8

y=−5(x−2)2−8y=-5\left(x-2\right)^2-8

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

二次函數 y=−2(x−3)2−4y=-2\left(x-3\right)^2-4 的頂點為

(3,4)\left(3,4\right)

(−3,4)\left(-3,4\right)

(3,−4)\left(3,-4\right)

(−3,−4)\left(-3,-4\right)

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

y=4(x−1)2−3y=4\left(x-1\right)^2-3  

此二次函數右移 2 單位,上移 5 單位,新的函數為?

y=4(x−3)2−8y=4(x-3)^2-8

y=4(x−3)2+2y=4(x-3)^2+2

y=4(x+1)2−8y=4(x+1)^2-8

y=4(x+1)2+2y=4(x+1)^2+2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

y=4x3y=4x^3  

此三次函數的對稱中心在

(0,4)

(4,3)

(0,0)

以上皆是

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

y=2(x−1)3−(x−1)+3y=2\left(x-1\right)^3-\left(x-1\right)+3  

此三次函數的對稱中心在

(2,3)

(1,3)

(0,0)

以上皆是

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

y=4x3y=4x^3  

此三次函數右移 2 單位,上移 5 單位,新的函數為?

y=4(x−2)3−5y=4(x-2)^3-5

y=4(x−2)3+5y=4(x-2)^3+5

y=4(x+2)3−5y=4(x+2)^3-5

y=4(x+2)3+5y=4(x+2)^3+5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

y=2x3+4x2+6x+8y=2x^3+4x^2+6x+8  

此三次函數的廣域特徵近似於哪個函數

y=2x3y=2x^3

y=4x3y=4x^3

y=6x3y=6x^3

y=8x3y=8x^3

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