中四amths一問..

2007-11-28 7:14 pm
SKETCH THE GRAPHS OF THE QUADRATIC FUNTIONS. IN EACH GRAPH, INDICATE CLEARLY THE LINE OF SYMMETRY, THE VERTEX AND THE Y-INTERCEPT.

F(X)=2X ^ 2 -4

我知要畫圖.. 所以方便的話, add我 [email protected]

回答 (1)

2007-11-29 12:10 am
✔ 最佳答案
以下是畫圖:

Y軸就是對稱軸
頂點就是(0,-4)
Y的截點就是-4,也就是(0,-4)




2007-11-28 16:45:14 補充:
http://s228.photobucket.com/albums/ee207/ghlam168/?action=view&current=2x24.jpg。


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