奇跡の逆に を求める時に図を書いて条件を満たさないものが存在しないかどうか確認するのですが、 なかなか図を正確に書けません。どうしたらいいですか？

0基本 例題 98 曲線上の動点に連動する点の軌跡 161 ののののの 点Qが円x2+y2=9 上を動くとき, 点A(1,2) とQを結ぶ線分AQを2:1 に内分する点Pの軌跡を求めよ。 を座 連動して動く点の軌跡 CHART & SOLUTION 101 p.158 基本事項 1 つなぎの文字を消去して, x, yだけの関係式を導く ・・・・・・! TRAND 動点Qの座標を(s,t),それにともなって動く点Pの座標を(x, y) とする。Qの条件をs, fを用いた式で表し,P,Qの関係から,s, tをそれぞれx,yで表す。これをQの条件式に 代入して, s, tを消去する。 3章 除く必 解答 Q(s, t), P(x, y) とする。 y Qは円 x2+y2=9 上の点であるから s2+2=9 ① Pは線分AQ を 2:1 に内分する点であるから (s, t) A 1.1+2s x= = 2+1 1+2s 3' y= 1.2+2t_ 2+2t 2+1 (1,2) = 3 -3 0 よって S= 3x-1 t=3y-2 2 2 ●これを①に代入すると (3x-1)+(3x^2)=9 (*)+(-)-9 ** 2 ゆえに 212 x =9 3 4 3 2 よって(x-1)+(-4② 2 2 =4 ..... 3 したがって、点Pは円 ②上にある。 逆に,円 ②上の任意の点は、条件を満たす。 以上から、求める軌跡は 中心 ( 1/3 2/23) 半径20円 (x- 13 1 軌跡と方程式 P(x,y) -3 つなぎの文字 s, tを消 去。 これにより, Pの条 件(x,yの方程式)が得 られる。 inf. 上の図から,点Qが 円 x2+y2=9上のどの位 置にあっても線分AQは 存在する。 よって, 解答で 求めた軌跡に除外点は存在 しない。 どうやって図をかくの?

至急⚠️ 奇数の問題の答え合わせをしたいです。 なぜその答えになるのかも教えていただきたいです。 よろしくお願いします。

EXERCISE A >> 空所に入れるのに最も適切なものを選びなさい。 of gabilat S 01 It is difficult ( ) the English exam. ①in passing ge2 to passed 3 to pass 4 pass 〈福岡大〉 ni miwa S to talk 2 talking 02 The young woman had no one ( ) with about her future. 3 of talking to have talked (*) 03 Susan opened the box, ( 2 next 1 but ) to find it empty. 3 only 4 soon lig 〈立教大〉 04 His grandfather lived ( ) ninety-two and was the head of the company for many years. 1 being 3 for being 105 2 to be 4 till he would be BE <東海大 > er It was careless (b) him to forget to lock the door. top bolid W 1 for 2 of 3 with on 08 4 to a don <*> 06 My friends were warned ( ) the mountain in such bad weather. 3 of no climbing to climb 〈センター試験〉 Din climbing 2 not to climb 107 Half of the houses on the island are said ( ①having 2 to be being 3 to have ) damaged by the typhoon. 4 to have been() of warts 80 The boy turned on his father's computer, though he had been told ( 〈 青山学院大 〉 ). 08 1 not do it 2 not to 3 to do not 4 to not 09 The textbook is ( 9D ①easy enough ) for a college student to read. 2 so easy as 3 so easy that 4 such easy (***) The 10 Mr. Smith doesn't know ( 1 way to use 3 the way of use ) a computer and is afraid to touch one. 2 how he should to use 4 how to use <東京経済大 〉 11 I can't decide ( I to if ) go to Australia or New Zealand. 2 whether ③3 whether to 4 to whether <福岡大〉 12 To begin ( 1 from ), let's have a look at Chapter 5. 2 by 3 for 4 with 〈九州産業大〉 □13 To ( ) the truth, I still haven't finished my homework. 1 say 2 tell 3 speak 4 mention 〈大阪学院大 〉 05 95 不定詞

わかる方教えてくださいください

14 2012 This theory ( ①supports 2013 19 ) by a lot of scientists. supported 3 is supported has supported The newborn baby ( ) after its grandfather. ①named John ③has named John PLOT as 2 was named John named John by 17901 )ed nodw rebnowl (some tourists/I/to/ was / by / spoken) on my way home. 15 A general election ( ) next month. Dis holding will hold 3 will be held will be holding 6 You can't drive here because the road ( ) now. Dis repairing 2 has been repairing 3 is being repaired has been repaired The director ( ) the Oscar several times. ①has awarded 2 has been awarding 3 has been awarded Dis being awarded (be/is/to/he/the model / said) for the main character in the novel. Ms. Smith is known ( ) the study of Japanese culture. Dabout aland's ②for 3 of Fabiby ④with ☐

答え教えて下さい

Grammar Simple present vs. present progressive 5 Complete the sentences. Use the simple present or present progressive form of the verbs. 0 We play (play) soccer on weekends. 1 I don't want to go out now. It 2 A: What B: Pasta with cheese. (rain)! you (eat)? 3 My friend never (arrive) late for class. 4 A: you (go) to bed late? B: Yes. I'm always tired in the mornings. 5 I can't talk right now. I (have) dinne

答えが合ってるか教えて欲しいです

1517 079 Noah apologized (2) for losing his temper. 12. M①Ann build to Annas Ann building at Ann 080 We (1) the issue of gun control for three hours. 13. W①discussed of 3 discussed on (大学) 2 discussed about ④discussed 081 082 083 The dog () sleeping peacefully on the sofa. DOlie d@lyingoaib▸ ③laid He has decided () the company.jetblá ①having joined joining to buy buying +lay 3 to join 4 to have joined bought Would you be so kind as to give me something to drink? 16. D= Would (0) something to drink? ①you mind give me eaving to call (3 you mind of giving me aial you mind to give me up & as of you mind giving me 17. If you questiout this evening.@emember Please don't forget (2) a carton of milk on your way home. 084 to buy AFAR buy bobi and to buy 10. I rambling) your fly for whenhofon 04 buying Something is wrong with the refrigerator. I am afraid it needs (). to repair being repaired TO you () belist qode inget 085 ①repaired 大工画書泉 ②repairing 18 She regrets (10) such idthing to him me of 086 These photos (remind the days/I/me/ spent / of) with Grace. Please contact me immediately if something ( )) wrong. as a 087 need ( ①does ②gives quos bluow ③ goes ④makes buys 088 The doctor suggested to my father that he ( 3 ) up smoking. 1 of undry th ①give 2 to give 3 gives ban has give or sd of▸ anied lo Baisd She really loved it. randmother Victoria and William got () in Florida two years ago. 089 @marry 2marries ③married marriage

upon 以降の文構造がよくわからないので教えていただきたいです🙇

21:05 6月5日 (水) CINDERELLA 今21% E Her godmother scooped it out very quickly, and then struck it with her wand, upon which it was change... "Cinderella," said the Fairy, "I am your godmother, and for the sake of your dear mamma I am come to cheer you up, so dry your tears; you shall go to the grand ball to-night, but you must do just as I bid you. Go into the garden and bring me a pumpkin." Cinderella brought the finest that was there. Her godmother scooped it out very quickly, and then struck it with her wand, upon which it was changed into a beautiful coach. Afterwards, the old lady peeped into the mouse-trap, where she found six mice. She tapped them lightly with her wand, and each mouse became a fine horse. The rat-trap contained two large rats; one of these she turned into a coachman, and the ther int enetilian The old lady than told Cinderelle to an into the 彼女のゴッドマザーはすばやくそれをすくい取り、 それから杖でたたいて、美しい コーチに変えた。

イラストに合うように選ぶ問題です。教えてください。

2) 8 be look not meet visit I a. I b. They c much more grown-up* now. my grandparents in Nagano this summer. them since I was ten, so I'm very excited. surprised when they see me. much more grown-up 「ずいぶん大人になった」

絵をみて（　）に入れる問題です。教えてください。

I a. be look not meet visit my grandparents in Nagano this summer. them since I was ten, so I'm very excited. I b. They c. surprised when they see me. I d. much more grown-up* now. much more grown-up 「ずいぶん大人になった」

答え書いてあるところ合っていますか？ また、空欄の所も教えてください！🙇🏻‍♀️՞

...すべきだ」という す助動詞は? 弱い義務 助言)を 162 My brother and I ( when we were children. ① may 3 )often go fishing in the nearby river 2 shall 3 should ④ would keep is a secret!" ① will Try! When I was a child, my mother ( 3 )say, “The only thing you can't ② will often ③ would often ④ always (西南学院大) すべきだ」という 義務 助言を は? そのあとのto に注 不定詞が続く助 はどれか? Section 16 推量・確信を表す <助動詞+ have+過去分詞) <助動詞 + have + 過去分詞〉 の問題のポイント 過去の事柄への推量や確信などを述べる表現。 <助動詞+ have + 過去分詞〉 の助動詞ごとの意味を覚えておく。 to の否定形 位置に注意しょ 03 助動詞 「(以前は)よく・・・した ものだ」 という (過去 の習慣を表す助動 は? often に注目 Ta 163 Henry went to bed as soon as he came back home last night. He must(have)( been) very tired. |適語補充 Try! 1.携帯電話がカバンのどこにもない。 電車の中に置いてきたに違いない。 ① I can't find my cell phone anywhere in my bag. I had to leave it behind on the train. ③ 2.I (3 ( ) have bought the book, but I don't remember where I have T100 「•••したに違い 「ない」という確信> を表すには? last night に注目。 「と ても疲れていたに違い ない」 を表すには? 64 put it. ① cannot ② should not ③ may not ④ must ( 九州産業大 ) His grandfather is very old and can't hear well. He (3) our talk. ① can have heard 「･･･したはずがない」 という 〈確信〉を表す ものは? 「聞こえたはずがない」 を表すには? 以前は)... ② must have heard いう〈過去 表すには? ③ cannot have heard 4 should qu snied ではないこと D Try! I don't believe it; he ( 3) have said so. ① may ② will (3 cannot ④ never (四天王寺大) □は) よく う 〈過去 > を表 意味を考 bluode &WEJ BI in? He (4) me last night, but I'm not sure. I was deep asleep. 165 ① might visit ③ had to visit ② would visit ④ might have visited Try! I don't feel well. I might (4) acold. 166 ① be caught ③ have been caught ② been caught ④ have caught Mr. Norton gave us the homework ten days ago. You should ( 2 ) it by now. 「･･･したかもしれない」 という 〈推量〉を表す には? 「訪ねたかもしれない」 を表すには? (近畿大) 「･･･したはずだ」 という <推量〉を表すには? 「終わっているはずだ」 を表すには? ① finish ② have finished ③ finishing ④ can finish 15

□で囲まれているところの語の形を変える問題です。教えてください🙇🏻‍♀️

Practical Lew O Look at the pictures and complete the sentences. Use the verbs in the bo the correct form. 1) be meet 2) good friends for a long time. We Taku and I a.. were b. in elementary school. be look not meet visit 3 I a. I b. They c. much more grown-up* now. my grandparents in Nagano this summer. them since I was ten, so I'm very excited. surprised when they see me. I d. much more grown-up 「ずいぶん大