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WorksheetsS4 Quadratic Graph 二次圖像
Total questions: 23
Worksheet time: 28mins
Which are quadratic functions?
哪個是二次函數？
y=x2+3x −2
y = x2
y=-5x2
y=4x+4
At what point does the axis of symmetry intersect the quadratic graph?
在哪一點 ，對稱軸與二次圖像相交？
The y-intercept. y截距
The vertex. 頂點
(極大點/極小點)
The x-intercept. x截距
The maximum. 最大值
What shape is the graph of a quadratic function?
二次函數的形狀是什麼？
U shaped. U形
V shaped. V形
Linear. 線性
C shaped. C形
The name for the maximum or minimum point on a graph is?
最大點或最小點的名稱是？
y-intercept y截距
x-intercept x截距
vertex 頂點
axis of symmetry 對稱軸
Does this graph have a maximum or minimum value?
此圖有最大值或最小值嗎？
maximum 最大值
minimum 最小值
neither 沒有
both 兩者皆是
A line about which a figure is symmetric is the:
一條直線 令圖像對稱 稱之為：
Solution 答案
Vertex 頂點
Quadratic Function 二次函數
Axis of Symmetry 對稱軸
What is the equation of the axis of symmetry?
對稱軸的方程是什麼？
y = 4
x = 4
4
None of the above 以上皆不是
What is the Axis of symmetry?
對稱軸是什麼？
3
None of the above 以上皆不是
Is there a max or min value?
最大值還是最小值？
max 最大值
min 最小值
cannot be determined 無從判斷
What divides the quadratic graph into 2 perfect halves?
什麼將二次圖像 分為完美的一半？
Axis of Symmetry 對稱軸
Vertex 頂點
y intercept y截距
x - intercept x 截距
What are the coordinates of the vertex?
頂點坐標是什麼？
What are the coordinates of the vertex?
頂點坐標是什麼？
A quadratic graph has a vertex at (-3,2). What is the axis of symmetry?
二次圖像有一頂點（-3,2）。對稱軸是什麼？
The vertex is
頂點為
(1,1)
(0,0)
The origin 原點
Don't know 不知道
Axis of Symmetry
對稱軸
y=0
x = 0
0
What is the green dashed line called?
綠色虛線的名稱是？
Vertex 頂點
parabola 拋物線
axis of symmetry 對稱軸
y intercept y截距
What are the coordinates of the y-intercept?
y截距的坐標是什麼？
(-3, 0)
How do you find the y-intercept of a quadratic equation?
如何找出二次圖像的 y截距？
It is the y-value of the vertex. 頂點的y坐標。
It is the x-value of the vertex. 頂點的x坐標。
Plug a zero in for x. 代x=0
Plug a zero in for y. 代y=0
Given the quadratic graph y＝ax2＋bx＋c, where a＜0, b≠0, c＞0, which of the following may be the graph?
已知二次圖像 y＝ax2＋bx＋c，其中a＜0、b≠0、c＞0，則下列哪一個選項可能是此圖像？
Which of the following quadratic graph has the vertex of（1,3)?
下列哪一個二次圖像的頂點坐標為（1,3）？
y＝（x＋1）2－3
y＝（x－1）2－3
y＝（x＋1）2＋3
y＝（x－1）2＋3
For the description of the quadratic graph y＝－2（x－3）2＋5, which of the following is false?
關於二次函數 y＝－2（x－3）2＋5 的描述，下列何者為錯誤？
圖形開口向下，有最高點坐標（3，5） The graph open downwards, its max point is(3,5)
對稱軸為直線 x＝3 Axis of symmetry is the st. line x=3
圖形與 x 軸沒有交點 There is no inteersection with x-axis
函數值恆不大於 5 The function value will never exceed 5.
Which of the quadratic graph has the axis of symmetry of x=-2?
下列哪一個二次圖像的對稱軸為 x＝－2？
y＝（x＋2）2＋4
y＝－（x－2）2＋1
y＝x2－2
y＝3（x－2）2
Which of the following may be the quadratic graph of y＝－2x2－1？
下列何者可能為二次函數y＝－2x2－1的圖像？
