解ㄧ元二次方程式
Authored by chang shengchi
Mathematics
8th Grade
Used 46+ times
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11 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
下列哪些為一元二次方程式？(複選)
－3x＋5＝x2
(3－x)(2－x)
3x2－x3＝－1
(y－1)2＝y
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
下列敘述哪些正確？(複選)
－2 是 x2 －3x－10＝0 的一個解
3 是 (x－3)(x＋2)＝0的一個解
4是(x＋1)(3x＋2)＝0 的一個解
1 是 3x2 －5x－4＝0 的一個解
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
解一元二次方程式x2－5x＋6＝0
x=3 or 2
x= 3 or -2
x=6 or 1
x= -6 or -1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
解一元二次方程式x2＋6x＋8＝0
x= 4 or 2
x= -4 or -2
x= 8 or 1
x= - 4 or 2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
解一元二次方程式x2－4x－12＝0
X= 12 or 1
X= 3 or 4
X= 6 or -2
X= 6 or 2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
解一元二次方程式x2＋6x－16＝0
x= 4 or 4
x= -2 or 8
x= 2 or 8
x= 2 or -8
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
解一元二次方程式x2－13x＋36=0
x= 4 or 9
x= 3 or 12
x= -4 or -9
x=5 or 7
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