（I）（2）もそうなんですけど場合わけしないといけないというところまでは理解できるんですけどa＝0の時とか？の式とかよくわからないです😭これ代入して求めるんですか？？

し 58 基本 例題 31 文字係数の不等式 立 0000 a を定数とする。 次の不等式を解け。 (1) ax+2>0 (2) ax-6>2x-3a (文 CHART & THINKING 文字係数の不等式 割る数の符号に注意 (1) 「ax +20 から ax>2 両辺をαで割ってx2」では誤り! 基本29 αが正の数のときは上の解答でよいが、負の数のとき不等号の向きはどうなるだろうか? また,a=0 のときは両辺をαで割るということ自体ができない。 不等式 Ax>B を解くときは,A>0,A=0, A<0 で場合分けをする。 (2) も同様。 解答 (1) ax+2>0 から ax> 2 [1] α >0 のとき まず, Ax>B の形に 次に,A>0,A=0, A<0 で場合分け。 x>-2 a [2] a=0 のとき,不等式 0x> -2 はすべての実数xa=0 のときは,不等式 に対して成り立つから,解はすべての実数。 [3] α < 0 のとき に α=0 を代入して検討 する。すべての実数x に対して 0.x=0 である。 a (2) ax-6>2x-3α から ax-2x>-3a +6 よって (a-2)x>-3(a-2) [1] a-2>0 すなわち α>2のとき 両辺を正の数α-2で割って x>-3 [2] α-20 すなわち a=2のとき 不等式 0x>-30 には解はない。 [3] α-2<0 すなわち α 2 のとき 両辺を負の数 α-2で割って x <-3 は 数なので, 不等号の向きはそのまま。 α-2は負の数なので, 不等号の向きは逆になる。 INFORMATION 不等式 Ax> B の解 B 不等号の向き [1] A >0 のとき x> A は変わらない 例 [2] A=0 のとき B≧0 ならば解はない 0.x>5 ... 解はない B<0 ならば解はすべての実数 0.x>0 解はない B 不等号の向き [3] A<0 のとき x <- A が逆になる [注意 不等式が Ax≧B の場合は, A=0 のとき 10.x> -5 ・・・ 解はすべて 「B>0」ならば解はない, 「B≦0」 ならば解はすべての実数となる。 •RACTICE 31日 を定数とする。 次の不等式を解け。 ) ax->0 の実数

(3)これでは、ダメですか？理由も教えてほしいです

them. 75 次の英文は、 中学生のタケシ (Takeshi) が書いたものである。 これを読んで、あとの問いに答えなさい。 W Last year, we had a school festival. Our class decided to make a big *mosaic and (鹿児島) tarted didn't like working with other people. Some of my classmates and I went home withou make it after school) two months before the festival. At first, I didn't want to do it becaus working together with the other students. The "atmosphere of our class was not good. One day, pur teacher said to us, “Some of you are not working hard for the festival. Of course I want you to make a wonderful mosaic, but it is more important to work together." I felt to hear that. The teacher continued, "If you do this, you will get something wonderful." sorry The pt: raicho in the Eda |From the next day, I changed my "attitude, and all my classmates began to help each other. We talked about how to make the "work better and kept working hard for many days. Finally, we finished making the mosaic. number After th The tempe The day before the festival, we put the work on the wall of the “school building. When we saw it, we "shouted for joy. I was happy, and my classmates had big smiles on their faces One of my classmates said, “We feel happy now because we worked together for the same goal." At that time, I understood what our teacher wanted to tell us. atmosphere: 雰囲気 felt sorry : 申し訳なく思った shouted for joy : 歓声をあげた 〔注〕 mosaic : モザイクアート work 作品 school building : 校舎 (1) 本文の内容について, 次の質問にそれぞれ英語で答えなさい。 ① At first, Takeshi didn't want to make the mosaic. Why? Because he didn't like working with other people. What changed Takeshi's attitude? His teacher's words did. (2) 下線部が指す内容を, 30字程度の日本語で書きなさい。 attitude: 態度 *foxes An bott] the arbird 100円 Ta A ト全員で同じ目標のために クラス x 緒に に働い て幸せ に じる 9 30

黄色線の部分が分かりせん。 訳し方がそもそも分かってなく文法が分かりません💦

Mr. Jones: I see. What did you think of the exhibits, Masato? Masato : They were wonderful! Everything in Exhibition Hall was interesting to me, and I was very interested in the lecture about spacesuits! [ ] ① Mr. Jones Oh, really? Masato : Yes, it was. But I understood it because Paul helped me. Mr. Jones Good. What did you learn from it? KA KB Masato : Spacesuits are big and heavy because they protect people working outside spaceships. Through the lecture, I also learned the environmental なぜ最初 differences between space and the Earth. [ ] Mr. Jones: That's nice. Paul · I learned a lot about 日本語に AxBa できない differences between?

c で始まる単語を教えてください🙏

The soldiers ( ) a direct order by attacking the enemy despite being told not to do so. They will be punished for their actions.

whoはthatでも大丈夫ですか？(6)

I can't see that man without thinking of my father. (I think of my father when I see that man.も可) (6) 彼に会ったことがある人を見つけるのは難しいです。 It is hard(difficult) to find someone (a person) who has met him. (7) あなたが昨日話していた本を読む時間がありませんでした。 【解答例 great wa Let's gc winter 【時間が 1 4ho book vou talked about vesterday. 14 あなた

(6)どうでしょうか？合っていますか？

ed bed bear (6) 次の英文は、翌日の彰孝とヒル先生との会話である。 あなたが彰孝なら、ヒル先生の質問に対 してどのように答えるか。 次のの中に, 15語以上の英語を補いなさい。ただし, 2 文以上になってもよい。 Mr. Hill: Yesterday I enjoyed talking with you in English, Akitaka. I want to talk with dot you and my Japanese friends in Japanese, too What can I do to speak better Japanese? And why do you think so ? Akitaka: All right.

答え合っていますでしょうか。教えてください🙇🏻‍♀️

take the train instead of the bus? It's faster. 4. 41 How about (2) Let Why don't (4) Why not

誤文訂正の問題で解答に解説が付いていないので丸をつけているところの解説をしていただきたいです🙇🏻‍♀️二重線引いているところが答えです

3. 44 次の1~5の英文には誤っている箇所が1つずつある。 ア~エから選び、記号で答えなさい。 1(大)) 2( ) 4( ) 5( too much fast food if he ウ (2) They surprised how エ ) wants to be healthy. young she looked when they ウ ) 3 ( 1 He must not eats ア イ イ 3 I want this dress because ア 4 ウ 4 I hear ア イ that Hirota Shrine is oldest ウ 5 How much water are ア there イ it's color makes me iPod I エ in Hyogo. エ first met her. feel happy. I in the bottle? 'nob no jadr ( 仁川学院高) 5 次の英文の(ア)~(エ)から文法的な誤りがあるものを1つ選び, 記号で答えなさい。 (関西大学北陽高) 1. He (ア) plays rugby as (イ) Well than his brother does.(ami) (エ) 2. My mother (ア) gave me (ウ) (イ) many money today, so I (ウ) can go to see a ・(エ) tody abom bloode food movie with you. (ア) (イ) 4. His mother (ア) likes (5.) Jessica (ア) Worked (イ) (イ) hard (ウ) (エ) the picture (ウ) 3.He doesn't has to clean his classroom every Monday. ( which I (エ) painted it for her. ( (ウ) from morning (x) by night this week. ( ) ) 6 次の(1)~(5)の英文の下線部には誤りの箇所がそれぞれ1つずつあります。 その箇所を(ア)~(エ)の記 号で選び、訂正して答えなさい。 )(2)( ()(3)( (金光八尾高) ( ) (4) () ( )(5)( )( ) with my homework. Who was the girl (1) spoken (2) in (1) by at the party? (イ) (エ) (1)( ( (1) (ア) (2) Few of them (y) were kind enough (1) helping (") me (3) Ben is the children. (4) I am one doesn't like who (ウ) (エ) what (イ) (ウ) kind of work (エ) he is doing. (ウ) (ア) Youngest (イ) in my (ア) of the few people (イ) (5) I don't know where is he and (ア) uncle's five (エ) to read stories.

選択問題 教えてください！

A: Is Ms. Brown taking care of you? B: Yes, she's ☐ me very well. 1 looking in ③ seeing at seeing for ④ looking after

問10ですが、④が答えだと思ったのですが③が正解でした。なぜだかわかりません

9 At last he had his house 9 1 build 3 to build andw 10 There was a road 10 ①for leading 3 leading 11 All things 11 1 consider considered 12 The sun 12 1 having set in Kyoto. 2 will build 4 built to the town on the other side of the river. 2 lead 4 to lead he is a great scholar. gahub nood gry boog s ②considering 4 to consider we hurried to our home. Lesson 03 中間テスト 問題 has set 2 setted ④ to be set 13 in the farm all day long, he was completely tired out. 問13 1 Worked 3 Being working 14 You should 14 ① come ③ be coming Jon 2 Not working ④Having worked with us any day when it was convenient for you. gni OUT 2 have come ④be to come for the coming trip to the U.S. 15 She has been busy 15 1 prepare oved G ③3 to prepare omil (V 2 preparing ④prepared 55 55