一元二次方程式挑戰
Authored by Hoper Tsai
Others
8th Grade
Used 1+ times
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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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