2021_F2_Maths_CH5_二元一次方程
Quiz
•
Mathematics
•
7th - 8th Grade
•
Practice Problem
•
Hard
shun lin
Used 11+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列何者是二元一次式?
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
下列哪些為二元一次方程式?
2y+x-32=1
x=4y-1
x+y=x+2
x+y
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
若x=7,y=-1是x-ky=15的解,則k=?
-3
-4
3
8
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
x=3 , y=-1是二元一次方程式ax+by=5的解,則-9a+3b-7=?
2
8
-2
-22
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列有幾個式子不是二元一次方程式
(1)x+y=33+y
(2)x+y-4
(3)x2+3=2y-4
(4)x=y
(5)3x-5≤5y+1
1
2
3
4
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
二元一次方程式的圖形為何?
一條直線
一條曲線
一個點
一個圓
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
方程式2x+y=4與x軸、y軸的交點坐標分別為何?
(2,4)
(4,2)
(2,0)(0,4)
(0,4)(3,0)
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