
翰林國中數學2下CH2-線型函數與其圖形

Quiz
•
Mathematics
•
8th Grade
•
Medium
翰林數學 翰林數學
Used 5+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
函數 y=0.6x-1 中,若 x 為球鞋定價,y 為球鞋售價,則下列哪一則廣告標語和此函數關係相符合?
照定價打六折後,免費再送一雙
照定價打六折後,再減 1 元
照定價減 1 元後,再打六折
照定價打六折後,再打一折
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
設函數 y=2x-1,若 x=2 時的函數值為 p,x=1 時的函數值為 q,則 p-q=?
1
2
3
4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知函數 y=ax+b 的圖形通過點(-2,5)且平行 x 軸,則此函數為下列何者?
y=-2
y=5
y=-2x+5
y=-2x-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知 x 與 y 兩變數間的對應關係如下,則下列哪一組不是函數關係?
y=3x-7
x+y=8
x+y ≤ 5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知函數 y=a(x-3)+9,若 x=7 時的函數值為 29,則當 x=11 時的函數值為何?
34
39
44
49
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一次函數 y=ax+b,在 x=-3 時的函數值為 9,在 x=9 時的函數值為 5,則 x=15 時的函數值為多少?
2
3
4
5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若函數 y=-25x-52,則下列哪一個選項的 x 值,其所對應的函數值最大?
-11
-7
7
11
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