212解二元一次聯立方程式
Quiz
•
Mathematics
•
7th Grade
•
Hard
洪榮忠 新湖國中
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13 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一般人心算能力可以解方程式的極限,是幾元幾次方程式?
一元一次方程式
二元一次方程式
一元二次方程式
三元一次方程式
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列各組數中,何者不是二元一次方程式 的解?
x=-3、y=16
x=1、y=8
x=-2、y=6
x=4、y=2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如左圖,此二元一次聯立方程式的解為下列何者?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
利用代入消去法,消去x項,可得下列何者?
y+2y=12
4y+2y=12
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
利用代入消去法,解此二元一次聯立方程式,可得下列哪一組解?
x=2、y=8
x=8、y=2
x=1、y=4
x=4、y=1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
利用代入消去法,消去 y 項,可得下列何者?
8x - 2x - 1 = 1
8x - 6x - 1 = 1
8x - 6x +3 = 1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
利用代入消去法,解此二元一次聯立方程式,可得下列哪一組解?
x= 1、y= 1
x= 3、y=5
x= 2、y=3
x= -1、y= -3
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