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Mathematics Senior High

回答わかる方いますか?

16 次の(A), (B)の問いに答えなさい。 (A 次の英文を読んで, 文意が通じるように, 2回~16時に入れるのに最も適切な語(旬) を0~ から1つずつ選び, 番号で答えなさい。 In 2019, the Rugby World Cup was held in Japan. Rugby wasn't very popular among Japanese people until just a few years ago. In the *previous World Cup in 2015, Japan won a game against South Africa in a dramatic *upset victory. And in this World Cup, Japan reached the final eight. The Japanese national team made history and has 0 taken 5@ brought Do you know who started Japan's *bid to host the Rugby World Cup? There was a man who had a great passion for rugby. He was a * diplomat named Katsuhiko Oku, In 2003, he was suddenly attacked and killed by *terrorists in *Iraq, He was 290 engaged O prepared He started playing rugby at a public high school in Hyogo. He also showeda great talent for rugby at Waseda University. At that time, he had a dream to be a diplomat and work internationally in the future. After deep *consideration, he decided to 30O continue to However, he *encountered rugby again at Oxford University, and he tried hard to 15 develop his skills there. He became the first Japanese player of the Oxford rugby team. After that, he kept his love for rugby in his heart and *devoted himself to Japanese rugby while he worked on the 31) | 0 social Six years after his death, it was decided that the Rugby World Cup would be held in Japan. O given rugby into the hearts and minds of Japanese people. O satisfied in *reconstruction support activities for Iraq. 10 @ keep off O give up rugby then. O necessary O international stage. [注) previous (前の) terrorist(テロリスト) consideration(熟慮) upset(番狂わせ) Iraq(イラク) encounter . (……に出会う) bid (宣言 reconstf uction (復興) diplomat (外交官) devote oneself to (…に身を捧げる)

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Mathematics Senior High

例16と17の場合分けの不等号の違いが分かりません! (写真がもう一枚あるので載せたいのですが,3枚しか載せられないため,私の勉強トークの方にもう一枚写真を貼っておきます!)

いよね。そのときはどうするかの話。とっても重要だよ。 2次関数の軸や範囲に文字があるときは,範囲が軸よりも右にあるか左にあるかわからな 軸や範囲に文字がある 3- 122次関数の最大, 最小 定期テスト 出題度!!! 共通テスト 出題度!!! 例題 3-16 2次関数y=+6ax-2 (-3<S1) について, 次の問いに答え よ。ただし, aは定数とする。 (1) 最小値を求めよ。 (2) 最大値が11になるときのaの値を求めよ。 まず,平方完成しよう。 y=I°+6ax-2 =(エ+3a)?-9a°-2 小景 さて,軸はエ=ー3aで, グラフに-3<x£1の範囲をかき込むが, -3や1 は-3aより大きいのか小さいのかわからないんだ。だから,軸の左にかいて いいのか,右にかいていいのかわからない。 だから,エ=-3からエ=1の範囲が (1) 軸より左にあるとき (1)軸をまたいでいるとき 動小景 () 軸より右にあるとき のすべての場合を考えるんだ。 1-21 でやったように (1)……のとき (-「条件」という) 2 小 (←「結果」という) N~ というスタイルで書くよ。 る0>>。 OKY T+081- 吉いorso 数I 3章 TS7

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