
國中數學二上4-1
Authored by 康軒 國中
Education
6th - 8th Grade
Used 9+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將(x-4)(2x+3)=6乘開化簡後,可得下列何式?
2x2-5x-18=0
2x2-11x-18=0
2x2-5x+6=0
2x2-11x-6=0
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列何者是一元二次方程式?
x2+3x+2
2x2+5=2x2+x+3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若-4是方程式x2+kx+8=0的一根,則k=?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
方程式9x2+21x-8=0兩根之差為多少?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若-1是x2-ax=b的一根,則b-a=?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
0不是下列哪個方程式的解?
-2x2=0
3x2+4x=0
3x2-5x+2=x2-5x-2
3(x2-1)+5=-7x+2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若a為x2=5(6x-45)的一個解,則a=?
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