22.1. ᠢᠯᠡᠳᠭᠡᠮᠵᠢ ᠲᠣᠭᠲᠠᠭᠠᠬᠤ ᠠᠷᠭᠠ ᠪᠠᠷ ᠬᠤᠶᠠᠳᠤᠭᠠᠷ ᠵᠡᠷᠭᠡ ᠶᠢᠨ ᠹᠦᠩᠺᠼ ᠤᠨ ᠠᠨᠠᠯᠢᠰ ᠢᠯᠡᠷᠬᠡᠢᠯᠡᠯ ᠢ ᠣᠯᠬᠤ --待定系数法求二次函数解析式.pptx
ᠢᠯᠡᠳᠭᠡᠮᠵᠢ ᠲᠣᠭᠲᠠᠭᠠᠬᠤ ᠠᠷᠭᠠ ᠪᠠᠷ , ᠬᠢᠴᠢᠶᠡᠯᠯᠡᠭᠴᠢ᠄ ᠬᠠᠰᠪᠤᠶᠠᠨᠳᠤ QQ : 544941735 ᠸᠢᠴᠠᠲ᠄ , ᠬᠤᠶᠠᠳᠤᠭᠠᠷ ᠵᠡᠷᠭᠡ ᠶᠢᠨ ᠹᠦᠩᠺᠼ ᠦᠨ ᠠᠨᠠᠯᠢᠰ ᠢᠯᠡᠷᠭᠡᠢᠯᠡᠯ ᠢ ᠣᠯᠬᠤ , ᠭᠠᠷᠴᠠᠭ ,01,02,03,04,,,,,05,, ᠠᠨᠠᠯᠢᠰ ᠢᠯᠡᠷᠬᠡᠢᠯᠡᠯ ᠢ ᠣᠯᠬᠤ ,01,,,02,O,, ᠬᠡᠳᠤᠨ ᠴᠡᠭ ᠤᠨ ᠪᠠᠢᠷᠢᠰᠢᠯ ᠨᠢ ᠨᠢᠭᠡ ᠬᠤᠶᠠᠳᠤᠭᠠᠷ ᠵᠡᠷᠭᠡ ᠶᠢᠨ ᠹᠦᠩᠺᠼ ᠢ ᠳᠣᠭᠲᠠᠭᠠᠵᠤ ᠴᠢᠳᠠᠬᠤ ᠪᠣᠯ︖ , ᠢᠵᠢᠯᠢ ᠨᠢᠭᠡᠨ ᠰᠢᠯᠤᠭᠤᠨ ᠳᠡᠭᠡᠷᠡ ᠥᠯᠥ ᠣᠷᠣᠰᠢᠬᠤ ᠭᠤᠷᠪᠠᠨ ᠴᠡᠭ ,02,02, ᠬᠤᠶᠠᠳᠤᠭᠠᠷ ᠵᠡᠷᠭᠡ ᠶᠢᠨ ᠹᠦᠩᠺᠼ ᠤᠨ ᠵᠢᠷᠤᠮᠠᠭ ᠨᠢ ᠭᠤᠷᠪᠠᠨ ᠴᠡᠭ 𝐴 −1,−9᠂ 𝐵 1,−3᠂ 𝐶 3,−5 ᠶᠢ ᠳᠠᠭᠠᠷᠢᠨᠠ᠂ ᠲᠡᠭᠡᠪᠡᠯ ᠠᠨᠠᠯᠢᠰ ᠢᠯᠡᠷᠭᠡᠢᠯᠡᠯ ᠢ ᠣᠯᠣᠶᠠ᠃ ,𝑎−𝑏+𝑐=−9 𝑎+𝑏+𝑐=−3 9𝑎+3𝑏+𝑐=−5,02, ᠬᠤᠶᠠᠳᠤᠭᠠᠷ ᠵᠡᠷᠭᠡ ᠶᠢᠨ ᠹᠦᠩᠺᠼ ᠤᠨ ᠵᠢᠷᠤᠮᠠᠭ ᠤᠨ ᠣᠷᠣᠢ ᠶᠢᠨ ᠴᠡᠭ ᠦᠨ ᠪᠠᠢᠷᠢᠰᠢᠯ ᠨᠢ −1,−3 ᠪᠣᠯᠬᠤ ᠮᠥᠷᠲᠡᠭᠡᠨ ᠴᠡᠭ 0,−5 ᠶᠢ ᠳᠠᠭᠠᠷᠢᠨᠠ᠂ ᠲᠡᠭᠡᠪᠡᠯ ᠠᠨᠠᠯᠢᠰ ᠢᠯᠡᠷᠭᠡᠢᠯᠡᠯ ᠢ ᠣᠯᠣᠶᠠ᠃ ,02, ᠬᠤᠶᠠᠳᠤᠭᠠᠷ ᠵᠡᠷᠭᠡ ᠶᠢᠨ ᠹᠦᠩᠺᠼ ᠤᠨ ᠵᠢᠷᠤᠮᠠᠭ ᠪᠠ 𝑥 ᠲᠡᠩᠭᠡᠯᠢᠭ ᠨᠢ ᠴᠡᠭ −1,0᠂ 1,0 ᠲᠤ ᠣᠭᠳᠣᠯᠣᠯᠴᠠᠬᠤ ᠪᠣᠯᠬᠤ ᠮᠥᠷᠲᠡᠭᠡᠨ ᠴᠡᠭ 0,1 ᠶᠢ ᠳᠠᠭᠠᠷᠢᠨᠠ᠂ ᠲᠡᠭᠡᠪᠡᠯ ᠠᠨᠠᠯᠢᠰ ᠢᠯᠡᠷᠭᠡᠢᠯᠡᠯ ᠢ ᠣᠯᠣᠶᠠ᠃ , ᠴᠡᠭ ,03,,,02,,,𝑦=𝑎 𝑥 2 +𝑏𝑥+𝑐,𝑦=𝑎 𝑥−ℎ 2 +𝐾,𝑦=𝑎 𝑥− 𝑥 1 𝑥− 𝑥 2, ᠡᠩ ᠦᠨ ᠬᠡᠯᠪᠡᠷᠢ , ᠣᠭᠲᠣᠯᠣᠯᠴᠠᠯ ᠤᠨ ᠴᠡᠭ ᠤᠨ ᠬᠡᠯᠪᠡᠷᠢ ,01,, ᠣᠷᠣᠢ ᠶᠢᠨ ᠴᠡᠭ ᠦᠨ ᠬᠡᠯᠪᠡᠷᠢ ,03,,03, ᠠᠨᠠᠯᠢᠰ ᠢᠯᠡᠷᠭᠡᠢᠯᠡᠯ ᠢ ᠣᠯᠬᠤ ᠠᠷᠭᠠ ᠪᠠ ᠠᠯᠬᠤᠮ᠄ , ᠠᠨᠠᠯᠢᠰ ᠢᠯᠡᠷᠭᠡᠢᠯᠡᠯ ᠢᠶᠡᠨ ᠵᠢᠱᠢᠨᠡ , ᠴᠡᠭ ᠦᠨ ᠪᠠᠢᠷᠢᠰᠢᠯ ᠢᠶᠠᠨ ᠣᠷᠣᠯᠠᠭᠤᠯᠤᠨᠠ ,𝑎,𝑏,𝑐 ᠶᠢᠨ ᠲᠤᠬᠠᠢ ᠲᠡᠭᠰᠢᠳᠭᠡᠯ ᠦᠨ ᠪᠥᠯᠥᠭ ᠢ ᠪᠠᠢᠭᠤᠯᠵᠤ ᠪᠣᠳᠣᠨᠠ , ᠠᠨᠠᠯᠢᠰ ᠢᠯᠡᠷᠭᠡᠢᠯᠡᠯ ᠢᠶᠡᠨ ᠪᠢᠴᠢᠨᠡ᠃ ,,,,,04, ᠳᠠᠷᠠᠭᠠᠬᠢ ᠨᠥᠬᠦᠴᠡᠯ ᠢ ᠦᠨᠳᠤᠰᠤᠯᠡᠨ ᠬᠤᠶᠠᠳᠤᠭᠠᠷ ᠵᠡᠷᠭᠡ ᠶᠢᠨ ᠹᠦᠩᠺᠼ 𝑦=𝑎 𝑥 2 +𝑏𝑥+𝑐 ᠶᠢᠨ ᠠᠨᠠᠯᠢᠰ ᠢᠯᠡᠷᠭᠡᠢᠯᠡᠯ ᠢ ᠣᠯ᠃ ,① ᠵᠢᠷᠤᠮᠠᠭ ᠨᠢ ᠴᠡᠭ 2,0᠂ 4,0᠂ 0,3 ᠶᠢ ᠳᠠᠭᠠᠷᠢᠨᠠ᠃ ,② ᠵᠢᠷᠤᠮᠠᠭ ᠤᠨ ᠣᠷᠣᠢ ᠶᠢᠨ ᠴᠡᠭ ᠦᠨ ᠪᠠᠢᠷᠢᠰᠢᠯ ᠨᠢ 1,2 ᠪᠣᠯᠬᠤ ᠮᠥᠷᠲᠡᠭᠡᠨ ᠴᠡᠭ 0,4 ᠶᠢ ᠳᠠᠭᠠᠷᠢᠨᠠ᠃ ,05,x,y, ᠵᠢᠷᠤᠮᠠᠭ ᠢ ᠠᠵᠢᠭᠯᠠᠵᠤ ᠠᠨᠠᠯᠢᠰ ᠢᠯᠡᠷᠭᠡᠢᠯᠡᠯ ᠢ ᠣᠯ᠃ , ᠬᠢᠴᠢᠶᠡᠯᠯᠡᠭᠴᠢ᠄ ᠬᠠᠰᠪᠤᠶᠠᠨᠳᠤ QQ : 544941735 ᠸᠢᠴᠠᠲ᠄ , ᠪᠠᠶᠠᠷᠲᠠᠢ ,
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