ここの問題教えてください！！

14 Lesson 3 基本時制,進行形 5 (進行形にできない動詞) 次の英文の下線部が正しければO, 正しくなければ×を書け。 (メ) (1) He is knowing her father. (2) What was he doing when you looked at him ? (3) This house is belonging to my uncle. (4) We are having a good time in Hawaii. (5) Tom is resembling his father very much. X) (6) I am thinking he will come to our party. )内の語(旬)にかえて,全文を書きかえよ。 6 (総合問題の] 次の文の下線部を( (1) Her train will arrive soon. (a few minutes ago) (2) Our parents came back from London last week. (next week) (3) What was he doing at that time ?(now) (4) We were waiting for our new teacher at eight yesterday.(tomorrow) (5) Did you stay at home last Sunday ? (next Sunday) (6) Is your mother out now? - No. She is cooking dinner.(then) 7 [総合問題2] 次の対話文を完成させよ。 (1) Where( ) meet ? Let's meet in front of the library. ) the concert( ) start at six? Yes, it is. We don't ( ) much time left. Let's hurry. (3) Excuse me, but will you tell me the time of his departure ? 文 Yes, sure. His plane is ( ) for Hong Kong at 3 : 00 p.m. ) have a glass of wine ? -Yes, thank you. I like wine very much. (5) You need some fresh air..( ) open the windows ? Yes, please. (6) He( ) diligent when he was young, ( I think so. But I don't know about his later life. ) he ? (7) Will John call me when he ( ) for Australia ? ) call you from the airport. odA He says he (

この問題の(2)なんですけど、なぜ判別式D＞0は必要ないのですか？ 例えば、「異符号の解を持つような定数Pを求めよ」だったらαβ＜0でもう判別式は0より大きい事は示せてると言うのは分かります。(b²-4acのcが負のため)このようなしっかりした理屈はあるのでしょうか？

「基本例題50 2次方程式の解の存在範囲 OOOO0 2次方程式 x-2px+p+2=0 が次の条件を満たす解をもつように,定数pの値 の範囲を定めよ。 (1) 2つの解がともに1より大きい。 (2) 1つの解は3より大きく,他の解は3より小さい。 p.81 基本事項2 指針>2次方程式x*-2px+p+2=0の2つの解を α, Bとする。 (1) 2つの解がともに1より大きい。→α-1>0 かつ β-1>0 (2) 1つの解は3より大きく, 他の解は3より小さい。→α-3とB-3 が異符号 以上のように考えると, 例題 49 と同じようにして解くことができる。なお, グラフを利用 する解法(p.81 の解説)もある。これについては,解答副文の別解参照。 2章 |解答 2次方程式x-2px+p+2=0 の2つの解を α, Bとし, 判別式 をDとする。 2-(-かー(p+2)=がーカー2=(カ+1)(ー2) 別解 2次関数 f(x)=x°-2px+p+2の グラフを利用する。 D 解と係数の関係から 1) 21.8>1であるための条件は 一つaβがラじ可軸について x=p>1, Dり かつ (α-1)+(8-1)>0 かつ (α-1)(8-1)>d" D20から α+B=2p, aB=p+2 f(1)=3-p>0 っから 2<か<3 (p+1)(p-2)20 *ーp y=f(x) pS-1, 2Sp (α-1)+(8-1)>0 すなわち α+B-2>0 から 2カー2>0 よって の 3- ap よって p>1 0 1 『B (α-1)(B-1)>0すなわち aB-(α+B)+1>0 から p+2-2か+1>0 よって かく3 3 (2) f(3)=11-5p<0から 求めるかの値の範囲は, ①, ②, 3の共通範囲をとって -1 123 p p> 2Sp<3 2) α<Bとすると, α<3<Bであるための条件は (α-3)(B-3)<0 4題意から,α=βはありえ ない。 すなわち aB-3(α+B)+9<0 ゆえに p+2-3-2か+9<0 11 か> 5 よって 2次方程式x-2(a-4)x+2a=0が次の条件を満たす解をもつように,定数aの 50 値の範囲を定めよ。 (1) 2つの解がともに2より大きい。 (2) 2つの解がともに2より小さい。 (3) 1つの解が4より大きく, 他の解は4より小さい。 練習 (p.85 EX34 9 解と係数の関係、解の存在範囲

下のような自由英作文について、なんでもよいのでアドバイスをください！！ 社会的孤立について, あなた自身の考えを述べよ（80 words）(神戸大学) Social isolation is particularly common among older people. ... Read More

①〜⑤の動詞を適切な形に変えなさい。

Unit 5長文問題I Do you ever~) ~することがあ、 か? fall asleep 眠り are scolded とられ。 take naps 仮眠する。 afterward その後 following 次の catching a few 2's うとうとすること 11 Do you ever fall asleep during class? What happens? Perhaps, take naps? How do vou feel afterward? You will be happy o(read) ne following information. Many scientists now say that catching a few z's can improve your performance. (1)You must be so happy to hear this, so let's continue. you are scolded by vour teacher. How about at home? Do you ever Actually, this is important news for (2)people who have jobs that require high levels of concentration. Can you think of such jobs? 2 require ~を必要とれ concentration 集中 surgeon 外科医 on the night shift 夜勤で air traffic controlle 空(交通)管制官 focus on ~ ~に集中け lack of ~の不足 result in ~をもたら get together 協力す experiment 実験する surgeons, hospital staff 。(work) on the night shift, and air traffic controllers are just a few. These people must focus on their Jobs at all times. Concentrating is so important in their profession. A lack of focus could result in serious accidents. In the United States, a group of scientists got together and experimented on (A)two groups of university students. One group was asked to study the names of 50 countries and the flags of those countries for 5 hours in a row. The other group was asked 3 in a row 続けて (do) the same, but they took a short nap after three hours. Results got from these experiments were simple and clear. by now そろそろ Which group had better results? By now, you should know. The second group had much better results. The first group could remember about 45% of the information, but the second group got The scientists decided o(repeat) the close to 70% correct. experiment several times on different people, but the results were always the same. Taking short naps improved people's memories. Sleeping can help improve our performance, but the best way to deal with ® (become) sleepy during the day is to get enough sleep the night before. You may like to sleep in class, but I havea piece of advice for you. Get plenty of sleep the night before. Getting 4 deal with ~ ~に対処する plenty of たくさ enough sleep will give you lots of energy to spend at school. (4) You need energy to learn and play. Lots of learning and playing will give you a good night's sleep.

The other group was asked (do) the same,but they took a short nap after three hours.の(do）の動詞を適切な形に変えてもらいたいです、。

2 Actually, this is importai OTT requir Jobs? Surgeons, hospital staff 。 (work) on the night shift, and air traffic controllers are just a few. These people must focus on their Lhat require high levels of concentration. Can you think of such Conce surge on th 夜 Jobs at all times. Concentrating is so important in their profession. A lack of focus could result in serious accidents. air focu lack 3 resi In the United States, a group of scientists got together and get exp experimented on (a)two groups of university students. One group was asked to study the names of 50 countries and the flags of those countries for 5 hours in a row. The other group was asked in ③ (do) the same, but they took a short nap after three hours. Results got from these experiments were simple and clear. b Which group had better results? By now, you should know. The second group had much better results. The first group could remember about 45% of the information, but the second group got close to 70% correct. The scientists decided g (repeat) the experiment several times on different people, but the results were Taking sh0rt.

この問題をおねがいします。

Target Unit 3 長文間題I 睡眠がもたらすカ の不定詞 の動名詞 の助動詞 の分詞 6関係代名詞 1 Do you ever fall asleep during class? What happens? Perhaps, Do you ever ~? ~することがあります you are scolded by your teacher. How about at home? Do you ever か? fall asleep 眠り込む are scolded 叱られる take naps 仮眠する afterward その後 following 次の catching a few z's うとうとすること take naps? Hqw do you feel afterward? You will be happy o(read) the following information. Many scientists now say that catching a few z's can improve your performance. (1) You must be so happy to hear this, so let's continue. Actually, this is important news for (2)people who have jobs 2 that require high levels of concentration. Can you think of such require ~を必要とする concentration 集中(力) surgeon 外科医 on the night shift 夜勤で air traffic controller 航 空(交通)管制官 focus on ~ ~に集中(する lack of ~の不足 result in ~をもたらす get together 協力する experiment 実験する jobs? Surgeons, hospital staff e (work) on the night shift, and air traffic controllers are just a few. These people must focus on their jobs at all times. Concentrating is so important in their profession. A lack of focus could result in serious accidents. 3 In the United States, a group of scientists got together and experimented on two groups of university students. One group was asked to study the names of 50 countries and the flags of those countries for 5 hours in a row. The other group was asked in a row 続けて 3 (do) the same, but they took a short nap after three hours. (3) Results got from these experiments were simple and clear. Which group had better results? By now, you should know. The by now そろそろ second group had much better results. The first group could remember about 45% of the information, but the second group got The scientists decided o (repeat) the close to 70% correct. experiment several times on different people, but the results were always the same. Taking short naps improved people's memories. Sleeping can help improve our performance, but the best way to deal with g (become) sleepy during the day is to get enough sleep the night before. You may like to sleep in class, but I havea piece of advice for you. Get plenty of sleep the night before. Getting 4 deal with ~ ~に対処する plenty of たくさん enough sleep will give you lots of energy to spend at school. (4) You need energy to learn and play. Lots of learning and playing will give you a good night's sleep.

6番の問題の答えをおしえていただきたいです

4 You would like to tell someone the contents of the following sentences. Change them as in the example below. [→ L.20] Ex.) Ian said to me, "I will do it.” → Ian told me that he would do it. (1) Mary said to me, "I don't have much time to go to concerts." (2) Ken said to me, "I hope many people will come to my birthday party." (3) Ryoko said to me, "Our club performed a play in English at the festival." (4) The clerk said to me, "Do you have an appointment?" (5) Bill said to me, “Why didn't you take part in the contest?" (6) I said to Eri, “Where did you meet Mr. and Mrs. Tanaka?" (7) Our teacher said to us, “Don't forget to wear a tie." (8) Jack said to me, “Please lend me your umbrella for a while.”

緊急です。 この問題の解き方を教えて欲しいです。

放物線 y=-x? と直線 y=x の, 原点O以外の交点をA とする。また,点Aを通り, 傾きが -2 の直線 y=-2x+aと放物線 y=-x°2 とのA以外の交点をBとする。この とき,次の(1)~ (4) を求めなさい。 3 (1) 点Aの座標 (2) aの値 (3) 点Bの座標 (4) △AOBの面積 1 関数 y=?のグラフ上に, x座標がそれぞれ -4, -3, 2 である3点A,B,Cがあ 2 る。次の問いに答えなさい。 (1) 直線 ACの式を求めなさい。 の ーのグラフとの交点をDとする。 (2) 点Bを通り直線 ACに平行な直線と y=; -x2 このとき,点Dの座標を求めなさい。

急ぎです💦答え教えていただきたいです。 ベストアンサーつけさせていただきます

8 Lesson Exercises 1. 語い·表現 日本語に合うように( )内に適切な語を入れて、言ってみましょう。 1. おおまかに言えば、日本の人口は1億3千万人です。 ), the population of Japan is 130 million. 2.私たちは一緒に宿題をすると、 最終的におしゃべりすることになってしまいます。 )( ) chatting. When we do our homework together, we ( 3. 私たちは、その新しいレストランを見つけるのに苦労しました。 ) locating the new restaurant. We( 4.何百万もの人々が、 その万国博覧会を訪れました。 ) people visited the World Expo. )内の語句を適切な形に変えて、言ってみましょう。 2. 1. IfI( be not ) sleepy, I would read that book. 文法 2. If he ( study) the night before, he could have answered the questions. 3. If he ( be not ) sick, he would have attended the concert. 4. If Amy ( watch ) TV last night, she couldn't have finished the work. 3. 日本語に合うように( )内に適切な語を入れて、言ってみましょう。 文法 1. 索引がなければ、この本は使いにくいだろうに。 ) the index, this book would be difficult to use. 2. 私だったら、そんなことは言わないだろうに。 Iwould not say such a thing if I ( )you. 3. つづりの間違いがなければ、彼女の作文は完壁なのに。 But ( ) errors in spelling, her writing would be perfect. One More O Without ,I would (~がなければどうする?) 4. 日本語に合うように( )内の語を並べかえて、 言ってみましょう。 文法 1. 彼はどんなに忙しくても、毎朝ニュースを見ます。 (matter / busy/how/no )he is, he watches the news every morming. 2. あなたが何をあげても、彼女は喜ぶでしょう。 She will be pleased ( no / you/what/matter ) give. 3. いつ見ても、ナオミは幸せそうにほほえんでいます。 (see /I/ no /when /matter ) her, Naomi is smiling happily.

答えがないので教えていただきたいです🙇‍♀️

Exercises 語い·表現 日本語に合うように( )内に適切な語を入れて、言ってみましょう。 1. 1. その偉大な科学者は、10年前に亡くなりました。 The great scientist ( dod ) ten years ago. Heigeod honnos 2.私は、話すより聞く方が好きです。 I( ) listening ( ) speaking. 3. ティムはスーを愛しています。 スーもまた、 ティムを愛しています。 Tim loves Sue. Sue loves Tim ( b) 4.私たちは、その子どもの歌声に感動しました。 We were ( ) the child's singing voice. notebnudd bihoW ord Inolorh be 2. 文法 日本語に合うように( )内に入る語を下から選んで、 言ってみましょう。 1. これらの話が本当であるはずがありません。 These stories ( ) be true. 2. 私たちは、明日シアトルに行くかもしれません。 )go to Seattle tomorrow. We( 3. 誰かがドアをノックしています。 あれは、 きっとおじにちがいありません。 Someone is knocking on the door. That ( ) be my uncle. [might / can't/must] b 3. 日本語に合うように( )内の語を並べかえて、 言ってみましょう。 文法 1. 夕食には何を食べたいですか。 What ( like / would / have/ to/you ) for dinner? 2.彼女は、昨日ここに来たのかもしれません。 (have / here/ may/ she/ come ) yesterday. 3.彼は、疲れていたにちがいありません。 (been / have /he/must/tired ). One More Ishould have yesterday. (昨日すべきだったことは?) 4. )内から適切な語句を選んで、 言ってみましょう。 文法 1. I(prefer / would ) rather study in a group. 2. She (appears that/ appears to ) have recovered from her illness. 3. The boy is said to ( have broken / has broken ) the window. 4. The journalist seems ( to have taken / taking ) this picture.