黄色チャート　数Ⅱ 3章　79 はじめの「PQを通る直線とlが垂直に交わる」は理解できました。 しかし2つ目の立式の際に「PとQはlから等距離にある」を利用したのですが(点と直線の距離の公式)、a+b=5となっていましました。 この考えだとどこが間違っているのでしょうか？

! 1246123 ✓(4/6/13/192 直線l:x+y+1=0 に関して点P(3, 2) と対称な点Qの座標を求めよ。 重要 83, 基本 101 CHART SOLUTION 線対称 直線ℓに関して2点P, Q が対称 [1] 直線PQ が lに垂直 [2] 線分PQの中点が上にある 解答」 点 Q の座標を ( α, b) とする。 直線lの傾きは -1 DES 直線PQの傾きは b-2 a-3 直線PQlに垂直であるから (-1).-² -=-1 点Qの座標を(α, b) として, 上の [1], [2] が成り立つように,a, 6についての 連立方程式を作る。 6-2 a-3. が直線l上にあるから 3+a 2 POINT 2+6 + 2 +1=0 よって ①,②を連立させて解くと したがって, 点Qの座標は GATAN a+b+7=0 2 TAXO, l 0-67 p.115 基本事項 ⑥ YA よって a-b-1=0 ① 3+α ●また、線分PQの中点 ( 3122+2) これができなかった。今 ) 傾き b=-4 a=-3, (-3, -4) ......! Q(a,b)傾き-1 -10 -1 (3+a 2+b) 2+b) 2, b-2 a-3 •P(3,2) ←l:y=-x-1 直線PQ は x軸に垂直 ではないから a=3 TALA 直線lは線分PQの垂直二等分線である。 ( 両辺に(a-3)を掛け b2=4-3 同じ(6/23) 40= PASTEL 1① +② から 基本例是 座標 (1) ある直 a+6=0 など。 ++x(x) ( G 8T CHARS 点 CAMP (2) 平行 0+30 解 (1) T C

(1)〜(4)まで全て分かりません🥲教えてくれると嬉しいです！

for Expression Writing [文章の誤りを直す] /16 (4点) 8 Answer the following questions. 次の文章は、あるアメリカの高校のウェブサイトにある学校紹介ですが､ 文法や内容に誤りが あるようです。 下線部 (1)~(4) の誤りを直し、 下線部全体を記述しなさい。 Star High School (1) has been one of the best school in San Francisco for the past 20 years. It is known as a school with quality teaching and various school events. Our school provides (2) as few as 20 school activities in the three academic years and has over 10 societies and clubs. We welcome students from all cultural backgrounds. (3) Since the school have started in 1998, our students have come from different towns in the San Francisco area and neighboring cities, (4) or they are all interested in the differences and uniqueness they find on campus.

解説の～の部分を答えるのは不適切というのがよくわかりません。

Track 7 Water makes up three quarters of the surface of the earth. The world is, however, suffering from a water shortage. With so much water on the earth, how could this possibly happen? The answer is simple. Imagine that there were in total 100,000 bottles of water on the 5 earth. Only 2.5 percent is not salty; that is 2,500 bottles. Two thirds of that tiny amount is 42. frozen in *ice caps at the poles and in *glaciers in the high mountains. Most of the remaining third is ground water under the surface of the earth. Only 0.4 percent of the - is on the surface in lakes and rivers, in plants and animals, and in the air. Humans can use less than 70 percent of that, or 7 bottles out of 100,000 eine dispetc fresh water 10 bottles - - that 10 Lis 0.007 percent of the total amount! At the same time, the human population is growing rapidly, so there will be more people who

ceremonialからの文の文法を教えて下さい🙇‍♀️

rs. S flertonmaiphus In the past, demand for the birds' beautiful feathers resulted in a huge 35 amount of hunting. At the peak of the trade, in the early 1900s, the feathers of 80,000 birds a year were exported from New Guinea for European ladies' hats. Lochne However, surprisingly few birds die in order to make such things nowadays. of chose th Ceremonial feathers are passed down from generation to generation. 6

当てはまるものを教えてください！お願いいたします。

ot it. ent Read the invitation. Guess the missing words. DAY: Friday evening TIME: O from PLACE: Chelsea's apartment 7:00 p.m. Soon I will 2 to the UK, so I'm having a farewell party. I hope you can There will be lots of food and great music, but please BYOB*. - It's easy to get to my place by subway. 4 you get building. Go two of the station, walk west 6 to Greene Street. 8 My apartment building is a red brick building. It's on the can't it. 3 Attachments the N train to Canal Street Station. When Canal Street past the Citibank right. I'm going to miss all of you, so I really hope you can come. Here are some photos of the great times we've had this past year! Chelsea *"BYOB" means "Bring Your Own Bottle" - whatever you want to drink. Complete the sentences. Use these words. There are 2 extra. 5-10 Listen and check your answers. side of the street. You along come hours miss return take blocks from left MATHORITH out VATAN MOITA straight turn

1、2はわかったのですが、3〜5番が分かりません。 教えてください。

1 ». Wouldn't / 4. would often /7: used to ]内の語句を並べかえて英文を完成させるとき、(A)~(J)に入る語を答えなさい。 3 [ 文頭に来る語も小文字で示してあります。 【知技 2*5=10】 (1) It's half past eight. ( ) ( A ) ( B ) ( It's half past eight. [ should/h/ for / hove/ school / Jeft ]. (2) This restaurant is very crowded. [ well / bock / we/ as / might / come ] later. This restaurant is very crowded. ( ) (C') ( D ) ( ) ( ) later. (3) [first/they/ well / in / prize / win / may] the brass band contest. ). ) ( F ) the brass band contest. (2) A (3) (4) (5 (6 (109) (E )( )( (4) { rather / keep / tell / would /1/than / secret / it ] her straight. ( I ) (nould) (G) ( )( )(´H )( ) her straight. (5) You [ throw / as well as / your money / into / might / the sea ] lend it to such a person. You (M) ( I )( )( )( )( )( J ) lend it to such a person. aswell thrin yo' 次の各組の英文がほぼ同じ意味になるように、(A)~(J)に入る最も適当な英単語を答えなさい。 【思判表1*10=101

(1の答えがなぜ1番で、(3の答えがなぜ一番なのかが分かりません… 3番に関しては主語が単数のはずなのになんでareを使ってるんですか？

⑤ 空欄の入る最も適切なものを選択肢から1つ選びなさい。 (1) What nobody would dare use (3) The police ( ) suggest is that women be told to stay at home. a (2) Scientits reported that monkeys had been seen ( S 2 have used 2 fear are investigating 3 hope ) the murder case at the moment, investigate 3 using 4 wish ) some simple tools just as human beings do. 4 to using 3 investigates 4 is investigating 絶対に held, out if they decide on Kyoto) I definitely ( S have g ) go. is

答えがないので正誤判定お願いしたいです。ちなみに、オレンジで囲ってるのが私の回答です。 最後（11）丸をし忘れましたが答えは2番にしました。 それとオレンジで囲ってみにくくなった英単語などは隣または近くに書きましたが，わからないとこあれば指摘ください。

⑤ 空欄の入る最も適切なものを選択肢から1つ選びなさい。 (1) What nobody would ( ) suggest is that women be told to stay at home dare (2) Scientits reported that monkeys had been seen ( V S use (複数扱 (3) The police ) the murder case at the moment. are investigating investigate may (5) You can avoid ( &n having M (7) My wife and I ( fear to be taking advantage of 2 have used 3 to aking advantage of by (6) I like watching Star Wars movies, but I ( had to cancel (4) I don't know where their wedding i going to be held, but if they decide on Kyoto, I definitely ( ) go. Zwill (9) Soccer ( (10) It ( 2 might has been got to know (8) All trains stopped (y s stopped (yesterday (11) I'd rather ( had to have 3 hope 2 had cancelled ) keeping yourself well informed and taking a few safety precautions. being taken advantage of by and the meeting ( 2 should well for you not to go out ) some simple tools just as human beings do. using Investigates ) so late at night.. ) each other since we were in high school) have been knowing 3 hay known 3 need 3 will be having 4 being taken advantage by ) enough of them by the time this one ends. wish C had to be cancelled 4 to using IS Ad 4 investigating can well ) be the world's most popular sport: however, baseball is more popular in the US may well ) a few days before we know the full results of the medical checkup. should have been 3 was you didn't go out willl have had 4 know had been to cancel 4 must well will be

どうやってy=2を求めるか分からないので教えて欲しいです🙇‍♀️

HAORMS** Jei 7 (1) 連立方程式 |y=x-1 y = -2x+8 を解くと dat PAST ZACP x = 3, y = 2 したがって,交点の座標は

写真の例文についてですが、 ①青線部を直訳したら、どのようになりますか？ ②青線部の「back」についてですが、この品詞は何ですか？from〜,around,back to〜の3つをandが結んでいると書かれているのですが、backは前置詞ではないですよね？(fromとar... Read More

Sの同格 3 2 Gene Kranz, the flight director, grabs a piece of chalk and draws a simple S O V O illustration (on the blackboard). 4 It shows the damaged spacecraft's path [from S V O outer space, around the moon, and (hopefully) back to the earth's surface]. 5 The goal is clear: (To get the astronauts home safely), Mission Control has to keep SVC V 訳 S コロン(:) →具体化 them alive and on the right course (for every minute [of that journey]). O C C 3 飛行主任のジーン・クランツは、1本のチョークを持って黒板に簡単な図を描く。 4 それは,損傷を負った宇宙飛行船が大気圏外から、月を周回し, そして ( 願わ くは) 地球上に帰還する航路を示すものである。 「目的は明確だ。 すなわち宇宙 飛行士を無事に帰還させるために, 宇宙管制センターは彼らが死なないように, また飛行中に彼らが一瞬たりとも正しい航路を外れないようにする必要がある。