3番の解き方教えてください

問3. 図のように、関数 y=-2x2のグラフ上に2点A,Bがあります。 A,Bのx座標がそれぞれ- 1,3のとき,次の問いに答えなさい。 (1) 2点A,B の座標を求めなさい｡ A (-(,-2) 13 (3--(8) (2) 2点 A, B を通る直線の式を求めなさい。間を求めなさい y=ax+b -2=-atb -2=-atb2-18=39th -18=3a+b (3) △OAB の面積を求めなさい。 16=-4℃ α=-4 -18:-12+b (-1,-25 y=-4x+5. -b:6 b:-6 y=-2x2 y y=-4x-6 +2) IC 2 EB (3,-18 813 2

k>9のときの答えがどうしてこうなるのかわかりません。教えていただきたいです。

T₁ = 2₁ 1-2k + 16 TR= K8のとき T₁ = ² (-2k + 16) k=1 =-2.1/12h(n+1)+165 - n(n+1) +/-4 - -n² +15 h T8 = -64 + 120 =56. - 2k +/6 20 K810 K>9のとき In = ²₁ (2K-16) ket 2 n²-15h 15 1276 Kon 59th 56 2/2/h(ht-on✓ 16h ye'é 64 56 81 h²-15h+1/2 15 3X ET6 3 35 54

至急です! 中２英語です! この問題がわからないのですが教えて下さい!

0 A () () ( best? B I like K-pop the best A ) ( ) you do last night? B I read a book and watched TV, 4) is the ( ) today? * It's August 29th D) ( ) music do you like the B ) is this? It's mine. A ☺)) ^ ( ) ( ) you last night? B I was in Kagoshima. A ) did you go to Kagoshima? BI ( ) there ( ) plane ^() were you ( BIL () my homework. ) at Sioo last night?

何度も質問してすみません よろしくお願いします🥺

練習問題 15. かっこ内の正しいものの番号を記せ。 (1) The tea tastes too (1 sweet 2 sweetly) for me. (東京芸大) (2) It is (1 much 2 very) cooler today than it was yester- day. (岡山理大 ) (3) She works hard in the office for a (1 little 2 few 3 cheap 4 small) salary. (共通1次 ) 3 many (4) My house is so small that I have (1 few 2 little 4 much) furniture in it. (大正大) 解答は別冊 41 ページ (5) "It was (1 pleased 2 pleasant 3 pleasure) to see you at the party last night." (日本大) (6) He spoke so quietly that we could (1 almost 2 rarely 3 hardly 4 little) hear him. (二松学舎大) (7) It happened in the (1 late 2 later 3 latter 4 last) half of the 19th century. (京都産業大) (8) He has visited (1 most 2 most of 3 almost 4 almost of) countries in Europe. ( 桃山学院大 )

高校1年生の問題です (1)、(2)、(3)の答えを教えてください

LESSON 5 受動態 (ワークブック) STEP 2 (実践問題) 各組の文がほぼ同じ意味になるように,空所に適切な語を入れましょう。 (1) a. About one million people visit this zoo every year. b. This zoo (2) a. His mother took him to the hospital. b. He (3) a. People made these machines in China. b. These machines about one million people every year. 19TH the hospital by his mother. seanoqol boibutz evan Let (5) SH China. choftl (E)

このような文でカンマが多すぎてどこの文の一部なのかわからなかったり、どこにかかってるのかわからなかったりします、 99ならto pay ,in goldってto pay できって新しいことを話し始めるのかと思ったら修飾してたとか これって全部文脈はんだんなんですか？

by any CD (99) 107 bio ab 9di nood end : p.198 99 The paper currency appearing in the 19th century English novels consists of notes issued by individual banks and not by a central government authority. In the 19th century virtually any bank, large or small, could issue its own notes representing a promise to pay, in gold, the stated amount to the bearer upon demand. * :p.200 100 Unfortunately, for the past century some humanists have been at odds with technologists, viewing technology as a harmful force beyond their control all the more intolerable because of its human origins. This attitude is part of the humanist's traditional focus on the past and unwillingness to embrace either the art or technology of the present. mwors 978rl gw indi

この答えはAで合ってますか？

4. The annual conference will take place at the National Convention Center, ------- location is indicated on the map. (A) where ((A) (B) its (C) which (D) whose 199 05 of qu noitamotni 19thut DO

訳を教えてください。

284 The last surviving signer of the Declaration of Independence, 90-year-old Charles Carroll, was on hand as part of a cermony to beginning of a new business venture. mark the He was honored to lay the first stone of what would become America's most important railway of the 19th • Century: the Baltimore & Ohio Railroad.

回答を導く方法を教えて頂きたいです。 回答は①です。

276 We are approaching another revolution ( ) will rival the □□□ Industrial Revolution of the 19th century. ① which ② what ③ who ④ it <中央大) Bas 277 彼は私が20年前に英語を教えた学生の1人です。

585番の日本語がなぜ他動詞になるかわかりません。 他動詞は訳に直すと～をがつくと調べたら書いてありました。 今回は～をがついてないので自動詞だと思ったのですが、なぜ他動詞なんでしょうか。

〈明治大〉 584 Any dictionary will ( (4) use 3 go do 2 come CHOS SI the trouble Point 144 585 We are afraid that the sales tax will be (la) next year. @rise @risen 3 raise 4 raised <東海〉 141 8A,930 and ) three more feet. LILEOFA BEY 586 After the typhoon, the water in the lake ( Av 〈拓殖大) Draised 2 risen 3 rose 4 had raised but art A forgalevse Al priob lo 587 Educational expenses have raised so rapidly in the past few years that many families have been forced to change their to lifestyle. <日本女子大) adeon 整理 56 二重目的語をとる注意すべき動詞 Beb ・cost A B 「AB(費用)がかかる/AにB犠 ・cause ARAにBをもたらす (582)