X軸と共通点を持たない条件はD＜0ではだめなんですか？

CHART & GUIDE | 2次関数y=ax2+bx+c のグラフとx軸の共有点の有無 D=6²-4ac の符号を調べる DO ⇔ x軸と異なる2点で交わる } D=0 ⇔ x軸と接する D<O ⇔ x軸と共有点をもたない D≧0⇔共有点をもつ y=x²-4ax+4a²-4a-36+9 =(x-2a)2-4a-36+9 であるから, 放物線の頂点の座標は (2a, -4a-36+9) は て よってえに したがって 4a+36 <9 ① を満たす自然数 α, b は ..... ...... ① α=1,b=1 この放物線は下に凸であるから, x軸と共有点をもたない条件 ( 頂点のy座標) -4a-3b+9>0 (+ [ ONT-RAT

この問題を全部教えて頂きたいです！ 熟語等もあれば教えて頂きたいです🙇🏻‍♀️

Grammar 4 Fill in each blank to complete the sentences. of (1) Tokyo has the largest population ( ) all Japanese cities. (2) When the new café opened, more than 100 people came in less ( (3) ( ) taller you are, ( (4) No ( ) mountain is ( (各3点) ) an hour ) better basketball player you can be. ) beautiful than Mt. Fuji. 5 Complete the dialog by choosing the best option. A: How was the new Italian restaurant down the street? B: It was great! Particularly, the pizza was bigger and (1) (good/better / best than the pizza at any (2) ( other restaurant / another restaurants / the othe restaurant ) around here. (3点) A: That's great! Was it expensive? B: Well, it was (3) (as cheaper / more expensive / not as expensive ) as I'd though it would be, so it was fine. 8

文法的なミスがないか確認してもらいたいです！ テストの振り返りを英語で書いています。 これはgrammar 分野の反省です。 書きたかったこと(日本語) 私はGRAMMAR in context のexerciseの部分を勉強しました。しかし私はほとんどの問題を正解する... Read More

I studied exercise part of GRAMMAR in Context. However, I can't Correct almost questions. I didn't understand why I made a mistake. Therefore this test became such as result. I think that I should solve the questions of exercise again. Then I ask teacher or my friends when I don't understand. Application is needed for improve of my English skill. It is for that purpose that I will read news in English. And I check a tense of news. I'll do an action every morning

この問題の答えがわかりません！

【3】 次の各文の空所に入る最も適切なものを①~④ の中から選び、番号で答えなさい。 ) work in the office are very friendly. (1) The people ( 1 which 2 who 3 whose (2) What's the name of the man ( 1 which 2 whom (3) A battery is a device ( Dit produces 3 produces (5) There seemed to be something ( 1 he wanted done 3 what he wanted done Implante miff vol (7) The jewel box ( 1 in which (6) I've been deceived by the man ( 1 as 2 what ) electricity by chemical means. (8) This is the village ( 1 which (4) He is one of the greatest baseball players ( ) Japan has ever produced. 1 when 2 where 3 that 4 what ) computer you borrowed? 3 that 2 that ). (9) I can remember the time ( 1 why 2 how Ingh bug boaquellos no gribnste (saw | \ cow I sxeriw ) I thought was my best friend. 3 who 2 by which production of 4 which produces 4 whom art (神奈川工科大) ) I put my engagement ring was stolen. in that 3 which wen ) our teacher was born. 4 whose grla (gardw\ daidw) sapori add si airT 2 he wanted it done 4 that he wanted it done in that VIT d run ave (dainiw ) phones were still rare. 3 where -17- (大阪経済大) 4 whom wort 4 that RE (駒澤大) (0) (立命館大) ( 東京理科大) 4 when (東海大) 4 where OHJAN (桜美林大)

英語の、重文と複文の違いを教えてください！

この表現はどのように使いますか？

twice as+ A」と表現することができる。 ナプラス half as +原級+as A=half the+名詞+ of A [... times as +原級+as A=... times the +名詞+ of A ←どうやってつかうのか [注意 これらの 「the+名詞」の形で用いることのできる名詞は, 長さ (length), 大 ++ (gize) 重さ (weight), 数 (number) などに限られているので、英作文

独立分詞構文とはなんですか

2番の問題のイはなぜBeingになるのですか？教えてください🙇‍♀️

g on the bed is h (2) (P)lt (1) been winter, many people enjoy (D) skiing. (3) (P) Walking for a long time yesterday, I (1) am very

発展の問題教えて頂きたいです。

CHALLENGE 1,2は ( 内の語句を正しく並べ替えなさい。 3,4は誤りのある箇 発展所を選び、正しく直しなさい。 16 1 彼女は交通渋滞の時間を考慮に入れていなかったので,授業に遅刻しました。 She was late for class, (allowed/having/jams/not / time for / traffic) . (東北福祉大) (3) □□ 3 ① The day after tomorrow, the prime minister is having a press conference arranging by his advisors. 誤りのある個所 (南山大) 2 ある調査によれば, 親もとを離れて暮らす学生の61% が朝食をとらないと答えた。 According to a survey, 61 percent of students (said/from/living / don't / their parents/eat/they / away) breakfast. (龍谷大) 第6章 分詞 batalamoot (立命館大) 正しい形

4番の問題で、誤りのある所を正しく直してほしいです。 高校生 Scramble

ear youplgosq adi in umat g 4 Admitted Ken tried very hard, I'm still not satisfied with his exam results. (大阪経済大) 誤りのある個所 正しい形 5 I warned them (a /storm / that/thorn (un