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数学 中学生

一個目の写真の(ウ)の問題の解き方について質問です! 2個目(赤と青の書き込みの写真)のように面積比を出してHのx座標を求めるのではなく 3個目(鉛筆で書き込んである写真)のように、黄色で示した三角形にそれぞれ等積変形をしてHのx座標を求めるのは可能でしょうか? 私は... 続きを読む

問4 右の図において、直線①は関数y=xのグ ラフであり, 曲線 ② は関数y=ax²のグラフ である。 点Aは直線①と曲線②との交点で, その 座標は7である。 点Bは曲線 ② 上の点で. 線分ABは軸に平行である。 Cは線分 ABと軸との交点である。 点Dは軸上 の点で, 線分ADはy軸に平行である。 また、点Eは線分AB上の点で, AE: EB =2:5であり,原点をOとするとき, 点F は線分OE と線分CDとの交点である。 さらに,点Gは軸上の点で, DO:OG =7:5であり, そのx座標は負である。 このとき、 次の問いに答えなさい。 1. a= 2/1/2 (7) 曲線 ② の式y=ax²のaの値として正しいものを次の1~6の中から1つ選び、その番号を答えなさ 4. 1.m= - ģ 4.m= (i)の (イ) 直線EGの式をy=main とするときの(i) m の値と,)の値として正しいものを,それぞれ次 の1~6の中から1つずつ選び、その番号を答えなさい。 (i) m の値 50/06/1 1. n= 15 4. n= -35 2. a= ²2/1 5. a=-=-/ きの点の座標は 2.m= 5. ma 3-478 2. n= B 7 n=35 5.n= -40 the 3. a= -3/ 6. a- 3.m= 7-98-7 6.m= 9/11 3. n=4 6. n= -40 (ウ) 次の ] の中の 「か」 「き」 「く」 「け」 にあてはまる数字をそれぞれ0~9の中から1つずつ選び、 その数字を答えなさい。 線分OE上に点Hを, 三角形OHBの面積が三角形OAFの面積と等しくなるようにとる。 このと かき であ くけ 答え 58/5

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英語 中学生

問2の解説を詳しくお願いします。

次の英文は、裕太(Yuta)が書いたものである。これを読んで、後の各問に答えよ。 "So, let's continue making an introduction about your fathers," said our English teacher, Mrs. Yashima one month ago. This class was Dmind-numbing, and I was thinking of the way to kill the time during the class. 4 I didn't know much about my father He was always busy working, so I didn't have any memories of playing with him at all. He came home late at night, woke up earlier than me, and left for his workplace without having breakfast. On weekends, he was always watching news programs which never interested me. When I looked out of the window, a friend of mine who was living near my home was playing catch with his father, and I projected myself on him. When we were having dinner, he never asked me any nice question. He always said to me, "How are the school and the club going?" I only said, "Not bad," because I thought that he had no interest in my school life or club activity. I didn't know about my father well, but I remember the other face of him. He sometimes repaired things in our home such as the TV set, chair, or bicycle. I wasn't interested in it at all until a neighbor told me a story about my father. She always took care of me when my parents were busy. "Your father is a good person," she said. "He always repairs broken things with a smile. It was just like magic." And she gave me some cookies. I knew about my father a little. The other day, I visited a factory as a part of social study class, and a man spoke to me, "Oh, your last name is..., are you his son? When I was working for another company with him, he took good care of me. He sometimes scolded me, but taught me a lot of things. So, I respect him so much." I knew about my father well. When I told my father about the man, he said to me, "Keep the friendship all the time. If you give a hand to someone, the person will give you a hand back someday. Just remember it." At that time, I understood that my father was a hard worker and he was respected by many people. Though he was a serious and silent person, I felt I knew him for the first time. 2022(R4) LAMANG

未解決 回答数: 1