3下 1-1 二次函數的圖形與最大值、最小值

Quiz
•
Mathematics
•
9th Grade
•
Medium
康軒數位 康軒數位
Used 18+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知二次函數y=2x2+c的圖形通過(2 , 7),則最低點為下列何者?
(0 , 5)
(0 , 3)
(0 , 1)
(0 , -1)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
關於二次函數y=-(x-2)2+1的敘述下列何者錯誤?
圖形有最低點(2 , 1)
圖形的對稱軸為直線x-2=0
函數有最大值1
圖形為拋物線
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列何者是表示圖中拋物線的二次函數?
y=(x-2)2+1
y=(x+2)2+1
y=-(x-2)2+1
y=-(x+2)2+1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在坐標平面上,y=2x2-8的圖形經由下列哪一個方式移動後,可得到y=2(x-5)2+12的圖形?
先向左移5單位,再向上移20單位
先向右移5單位,再向上移20單位
先向下移5單位,再向右移20單位
先向上移5單位,再向左移20單位
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
阿默將200公分的繩子剪成兩段,各圍出一個正方形,若假設其中一個正方形的邊長為x公分,兩正方形的面積和為y平方公分,則依題意可列出下列哪一個二次函數?
y=2x2+100x+2500
y=2x2-10x+250
y=2x2-100x+2500
y=x2-50x+1250
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪一個函數圖形有最高點?
y=-x+3
y=-x2+3
y=x-3
y=x2-3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪一個選項不是二次函數?
Create a free account and access millions of resources
Similar Resources on Wayground
10 questions
tcjh303mathC2-1

Quiz
•
9th Grade
10 questions
3上 1-4 相似三角形的應用

Quiz
•
9th Grade
10 questions
3上 3-2 三角形的外心、內心與重心

Quiz
•
9th Grade
5 questions
S3_面積和體積1_棱錐體積

Quiz
•
7th - 9th Grade
10 questions
國中數學九年級總複習

Quiz
•
9th Grade
12 questions
立體的反射平面及旋轉對稱

Quiz
•
9th Grade
8 questions
2-1 空間中的形體

Quiz
•
9th Grade
13 questions
二次函數

Quiz
•
9th Grade
Popular Resources on Wayground
10 questions
Video Games

Quiz
•
6th - 12th Grade
10 questions
Lab Safety Procedures and Guidelines

Interactive video
•
6th - 10th Grade
25 questions
Multiplication Facts

Quiz
•
5th Grade
10 questions
UPDATED FOREST Kindness 9-22

Lesson
•
9th - 12th Grade
22 questions
Adding Integers

Quiz
•
6th Grade
15 questions
Subtracting Integers

Quiz
•
7th Grade
20 questions
US Constitution Quiz

Quiz
•
11th Grade
10 questions
Exploring Digital Citizenship Essentials

Interactive video
•
6th - 10th Grade
Discover more resources for Mathematics
15 questions
ACT Math Practice Test

Quiz
•
9th - 12th Grade
12 questions
Graphing Inequalities on a Number Line

Quiz
•
9th Grade
15 questions
Two Step Equations

Quiz
•
9th Grade
15 questions
Combining Like Terms and Distributive Property

Quiz
•
9th Grade
12 questions
Absolute Value Equations

Quiz
•
9th Grade
8 questions
ACT Math Strategies

Lesson
•
9th Grade
10 questions
Solving Absolute Value Equations

Quiz
•
9th Grade
16 questions
Parallel Lines Cut by a Transversal

Lesson
•
9th - 10th Grade