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Clearnote
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Junior High
Mathematics
有人會嗎
Mathematics
Junior High
about 2 yearsago
가가
有人會嗎
1-1 二次函數的圖形與最大值、最小值 精熟練習 1 二次函數圖形的對稱關係 坐標平面上,某二次函數的頂點為(1,-4),此函數圖形與x 軸交於P、Q 兩點。若此函數圖形通過(-1,a)、(2,b)、(4,c),則a、b、c的大小關 係為何? 2二次函數圖形的應用 如右圖,某電玩遊戲過關前需跳過一根旗 杆,已知遊戲中的人物跳躍的路徑為二次 函數圖形的一部分,且最高點的位置在旗杆 頂端 Q,若開始跳躍的位置為P(0,5), 且P點與旗杆的水平距離為 2,最後落在 R(5,0)的位置,則旗杆的高度為多少? 2 R(5,0) 7
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