F.4 Test 1
Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
CHI HO LAM
Used 1+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
按CAL 機FMLA 01
利用兩根之和及兩根之積公式
因式分解
Answer explanation
答案需取至三位有效數字
即0.390及-0.640
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
按CAL 機FMLA 01
利用兩根之和及兩根之積公式
因式分解
Answer explanation
根的性質意即數實根數目
Δ=12-4(4)(-1)
=17>0
因此該方程有兩個相異實根
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以下哪一條是二次方程的兩根之和的公式
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以下哪一條是二次方程的兩根之積的公式
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