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一元二次方程式挑戰

Authored by Hoper Tsai

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8th Grade

Used 1+ times

一元二次方程式挑戰
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

解方程式 x^2 - 5x + 6 = 0 的根是什麼?

x = -2, x = -3

x = 2, x = 3

x = 0, x = 5

x = 1, x = 6

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

求解方程式 2x^2 + 4x - 6 = 0 的根。

2, -1

0, -2

1, -3

-1, 3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

方程式 x^2 + 3x + 2 = 0 的解為何?

x = 0, x = -3

x = -1, x = -2

x = -1, x = 1

x = 1, x = 2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

解方程式 3x^2 - 12 = 0 的根。

-3

1

3

2, -2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

求解方程式 x^2 - 2x - 8 = 0 的根。

-4, 2

4, -2

0, 8

2, -4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

方程式 4x^2 + 8x + 3 = 0 的解是什麼?

x1 = -1, x2 = -2

x1 = -1/2, x2 = -3/2

x1 = 0, x2 = -3

x1 = -1/3, x2 = -2/3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

解方程式 x^2 + 6x + 9 = 0 的根。

-2

-3

3

0

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