判斷下列各式是否為一元二次方程式?
X+5X=-20
解一元二次方程式
Quiz
•
Mathematics
•
8th Grade
•
Easy
ya ting
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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
判斷下列各式是否為一元二次方程式?
X+5X=-20
是
不是
2.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
判斷下列各式是否為一元二次方程式?
-X+6Y-14=0
是
不是
3.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
判斷下列各式是否為一元二次方程式?
5X(2X-3)=0
是
不是
4.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
判斷下列各式是否為一元二次方程式?
2X2-X=3
是
不是
5.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
判斷下列各式是否為一元二次方程式?
(X-1)(X+2)
是
不是
6.
MULTIPLE SELECT QUESTION
2 mins • 5 pts
解一元二次方程式:x(x+3)=0
X=0
x=-3
x=5
x=3
7.
MULTIPLE SELECT QUESTION
2 mins • 5 pts
用提公因式法解一元二次方程式:
x2+9x=0
x=9
x=-9
x=0
x=5
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