
七下數學-二元一次聯立方程式

Quiz
•
Mathematics
•
7th Grade
•
Hard
蔡佩旻 蔡佩旻
Used 3+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列何者為二元一次方程式?
3x+4y
2x-5y+3=z
x+2/y=10
2x+y/3-1=10
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
媽媽織一條圍巾要花 8 小時,織一雙手套要花 5 小時。若媽媽織了 x 條圍巾和 y 雙手套,共花了 68 小時,則依題意可列出二元一次方程式為。( 以 x、y 表示 )
5x+8y=68
8x+5y=68
5x-8y=68
8x-5y=68
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小金有 x 元,大川有 y 元,根據下列哪一個選項的敘述可列出二元一次方程式 4x-30=y?
小金的錢是大川的 4 倍少 30 元
小金的錢是大川的 4 倍多 30 元
大川的錢是小金的 4 倍少 30 元
大川的錢是小金的 4 倍多 30 元
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下表x、y的值分別代表二元一次方程式6x-y=5的解,試求下列何者錯誤?
a=-11
b=7
c=1
d=- 3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
設x與y為整數,則方程式5x+y=23共有多少組解?
無限多組
4
5
6
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
4 ( 3y-x+5 )-5 (-x+6y+4 )=?
9x-18y
x+18y
x-18y
x-32y
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
11 x+26 y-42
11 x+26 y-42
(11 x+26 y-42)/20
(11 x-26 y+42)/20
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