-
1.
(2021·麥積模擬)
如圖,一段拋物線(xiàn)y=﹣x(x﹣1)(0≤x≤1)記為m1 , 它與x軸交點(diǎn)為O、A1 , 頂點(diǎn)為P1;將m1繞點(diǎn)A1旋轉(zhuǎn)180°得m2 , 交x軸于點(diǎn)A2 , 頂點(diǎn)為P2;將m2繞點(diǎn)A2旋轉(zhuǎn)180°得m3 , 交x軸于點(diǎn)A3 , 頂點(diǎn)為P3 , …,如此進(jìn)行下去,直至得m10 , 頂點(diǎn)為P10 , 則P10的坐標(biāo)為.
微信掃碼預(yù)覽、分享更方便