(2)の求め方がわかりません 教えてください💦

4 頂点の座標が(1, -8) でx軸との交点の1つの座標が(-1, 0) である放物線 y=ax"+bx+cがある。 12 (1) 定数a, b, cの値を求めよ。 (2) この放物線をx軸方向に p, y軸方向にカ十12だけ平行移動したところ, y= ax* + qx+q と なった。定数p, qの値を求めよ。 (広島工業大·改) (リ 4.A(7-11?-8 Al_)-1P8 6 -

この問題の(2)ってなぜ絶対値記号つける必要があるのですか？ 問題文から求める円は第1象限にあるって分かるのではないのですか？

座標軸に接する円,直線上に中心をもつ円 155 例題 93 次の円の方程式を求めよ。 1) x軸とy軸の両方に接し,点 A(-4, 2) を通る。 2) 点(3, 4) を通り, x軸に接し, 中心が直線 y=x-1 上にある。 一例題 90 指針 円の方程式を求める問題では, 都合のよい形を選ぶ。ここでは, いずれも中心の座標は 1つの文字で表されるから, 基本形 (x-a)?+(y-b)?=r を使う。 v軸の両方に接し, 第2象限の点Aを通るから, 半径をrとすると, 中心の座標 3章 は(ーr, r)とおける。 o[11 中心は直線 y=x-1 上にあるから,その座標は(t, t-1) と表される。 15 「21 *軸に接するから, 円の半径は, 中心のy座標の絶対値|t-1| に等しい。 円 の 方 (1) x軸, y軸の両方に接し,点 A(-4, 2)を通る円の 中心は第2象限にある。 よって,半径をrとすると, 中心の座標は(-r, r) と表されるから,求める円の方程式は (x+r)?+(y-x)=r? この円が点 A(-4, 2) を通るから (-4+r)?+(2-r)=? H2 -10 -2|0 x ト 整理して p2-12r+20=0 人式お熱準のチ (ー-2)(rー10)%3D0 実これを解いて r=2, 10 ゆえに,求める円の方程式は 祭宮吸になるの? こ (x+2)?+(y-2)?=4, わるんくなの? (x+10)?+(y-10)?=100 (2) 中心の座標は (t, t-1) とおくことができ, この円 がx軸に接するから, 半径は」一↓と表される。 よって、求める円の方程式は (x-t)+{y-(t-1)}?=|t-1P この円が点(3, 4)を通るから (3-1)?+(4-(t-1)}?=(t-1)?) 整理して y*| リーズー1 A(3, 4) AP=A° 0= X -14t+33=0 これを解いて ゆえに, 求める円の方程式は (x-3)?+(y-2)?=4, (x-11)+(y-10)=100 t=3, 11 (t-3)(t-11)=0 トーセ-1 い ト-)-(4-t+) レイ

解き方教えて下さい🙇🏻‍♀️

OIA (6)(1P4O10+(6)H0- 4 H&PO4

訳していただけたら嬉しいです、、🥲🥲🥲

To w 6sig mootdaum tedT doum yay Y: 1 (At a station) o on the A:Excuse me. Could you tell me where the City Hall is? e namLbng in do byol b B:Well, it's a little far from here. ge where th deep A: 4 19 1pup sd nisye dsd smo ats 0 B:You should take a bus or a taxi. md od Tnod dive ater How can I get there? When is it open? O What is it called? の Where is the nearest entrance? ) tayed with a family in 2p changed a lot Befero 4ulo. ghogidtaisi.od b 2 (At a sandwich shop) elf but afterwards, she bd mone codd8nd0g A:May I help you? inio@A Do S19l anoil a'rovinb gm idguond I 2Y: B:Id like a ham sandwich, please. A: 5 sir? vs Vsd uot 1 Saod n g.o od B:Cheese, mustard, and tomatoes, please. Saroge ni batatni soy 1A 0 Would you like something to drink Can you say that again What would you like in it 4 Will you heat it up for me he boach in ear her Tbe weather Septmber yas plctr August 3 (At school) A:Did you bring lunch today? B:No. I'm going to the cafeteria. A: 6 B:Sure. Let's get there early before it gets crowded. Shall we go together? 0 Shall I make your lunch too? の Should we wait till tomorrow? の Should I do that alone?

『至急』 この作図の書き方が分かりません。 必ずコンパスを使用することが条件?です。 2枚目は答えです。

12 右の図で,点Aを通る線分APをひいて, 四角形ABCDの面積を2等分しなさい。 (解答用紙に作図すること) A D B 1P C

？ て書いてあるところが分かりません😱 3分の1(2ｋ+1)でくくり出しをしてますがなんで (2ｋ+1)が1個減ってるんですか(くくり出しした時に)

+(2n-1)-言n(Zn-1)(2nt1) u1A) 1P+ 3 + 5t m t(2n-11=言n(Zn-1)(znt1) w1(A) ]n=lの時 地(21-1) パン1血告1(2x1-1)12x1+1)31x331 よ、てn=lの時(A) が成り位の。 12]n=kの時間成り立つと飯定すると パ+ 3+5t mt (Zk-1):k(2k-1)(2kt1) n=ktlの時(A)の在加を有えると①よ! P3+54 + (2k-1)412(k+1)-1ド-水(2k-1)12kt1)+12(kt1)-1 Ik 1k 2k 3kBk 2k 3 5k k+2-1 2kt1 2 k(2k-1)(2k+1)+(2kt1)2 言く2k+1)fk(2k-10+3(2k1)7 (2k+1)f2k°_kt6kt31 青12ktり(2ドを5k+3) す(2kt)(kt1)(2kt3) 古(kt1f2(kt1)-17f2(kt1)1} (2k+1)(2k-1) t(2kt1) 3a':54(11ら) 吉(2kt1)fk[2k-1) (2k1)7 a 6 ニ 3 ニ よってれこk+1の時もA)が成り並つ。 (] [2]より年ての自程教わ止おいて(A)が成り性つ。

英語に自信がある人回答づくりお願いします！ ※書き込みは気にしないでください。 これプラス、問題に続きがあって、 問5 本文には、実物の動物を見ることによって人々がより深く理解できることが3つ書かれています。それらを日本語で答えなさい。 問6 本文には、動物園... Read More

第4問 次の英文を読んで、 設問に答えなさい。①~6は段落番号です。 黒体 6) のIn my view, (1)it_is perfectly possible for many species of animals living in gon.. ie parks to have a quality of life as high as, or higher than, in the wild. 'Animals in ood z0os get a varied and high-quality diet with all the supplements required. and anv 1pesses they might have will be treated.Their movement might be somewhat restricted. mt they have a safe environment in which to live, and they are spared bullying and social 神年 predators*2 or the irritation and pain of parasites or injuries. The average captive animal racism*1 by others of their kind. They do not suffer from the threat or stress of will have a greater life expectancy compared with its wild counterpart, and will not die of drought, of starvation or in the jaws of a predator. Alot of very nasty things happen to truly wild' animals that simply don't happen in good zoos, and to view a life that is 'free' as 術保者一 one that is automatically ‘good' is, I think, an error. Furthermore, zoos serve several key purposes. の Firstly, zoos aid conservation. Colossal numbers of species are becoming extinct across the world, and many more are increasingly threatened and therefore risk extinction. Moreover, some of these collapses have been sudden, dramatic and unexpected, or were simply discovered very late in the day. Aspecies protected in captivity can be bred up to provide a reservoir*3 population against a population crash or extinction in the wild. A good number of species only exist in captivity, with many ofthese livinginzoos. Stillmore only exist in the wildbecause they have been reintroduced from zoos, or have wild populations that have been1o0osted by captive bred animals Without (2these efforts there would be fewer species alive today. Although reintroduction successes are few and far between*4, the numbers are increasing, and the very fact that species have been saved or reintroduced as a result of captive breeding proves the value of such initiatives. ③ Zoos alsoprovide education. Many children and adults, especially those in cities, will never see a wild animal beyond a fox or pigeon. While it is true that television documentaries are becoming ever more detailed and impressive, and many natural history specimens are on display in museums, there really is nothing to compare with seeinga living creature in the flesh*5, hearing it, smelling it, watching what it does and having the time to absorb details. That alone will bring a greater understanding and perspective to many, and hopefully give them a greater appreciation for wildlife, conservation efforts and how they can contribute. ④ Inaddition to this, there isalsothe education that cantake place in Z0Osthrough signs, talks and presentations which directly communicate information to visitors about the animals they are seeing and their place in the world. This was an area where zoos used to be lacking, but they are now increasingly sophisticated in their communication and 8.

英語に自信がある人回答づくりお願いします！ ※書き込みは気にしないでください。 これプラス、問題に続きがあって、 問5 本文には、実物の動物を見ることによって人々がより深く理解できることが3つ書かれています。それらを日本語で答えなさい。 問6 本文には、動物園... Read More

第4問 次の英文を読んで、 設問に答えなさい。①~6は段落番号です。 黒体 6) のIn my view, (1)it_is perfectly possible for many species of animals living in gon.. ie parks to have a quality of life as high as, or higher than, in the wild. 'Animals in ood z0os get a varied and high-quality diet with all the supplements required. and anv 1pesses they might have will be treated.Their movement might be somewhat restricted. mt they have a safe environment in which to live, and they are spared bullying and social 神年 predators*2 or the irritation and pain of parasites or injuries. The average captive animal racism*1 by others of their kind. They do not suffer from the threat or stress of will have a greater life expectancy compared with its wild counterpart, and will not die of drought, of starvation or in the jaws of a predator. Alot of very nasty things happen to truly wild' animals that simply don't happen in good zoos, and to view a life that is 'free' as 術保者一 one that is automatically ‘good' is, I think, an error. Furthermore, zoos serve several key purposes. の Firstly, zoos aid conservation. Colossal numbers of species are becoming extinct across the world, and many more are increasingly threatened and therefore risk extinction. Moreover, some of these collapses have been sudden, dramatic and unexpected, or were simply discovered very late in the day. Aspecies protected in captivity can be bred up to provide a reservoir*3 population against a population crash or extinction in the wild. A good number of species only exist in captivity, with many ofthese livinginzoos. Stillmore only exist in the wildbecause they have been reintroduced from zoos, or have wild populations that have been1o0osted by captive bred animals Without (2these efforts there would be fewer species alive today. Although reintroduction successes are few and far between*4, the numbers are increasing, and the very fact that species have been saved or reintroduced as a result of captive breeding proves the value of such initiatives. ③ Zoos alsoprovide education. Many children and adults, especially those in cities, will never see a wild animal beyond a fox or pigeon. While it is true that television documentaries are becoming ever more detailed and impressive, and many natural history specimens are on display in museums, there really is nothing to compare with seeinga living creature in the flesh*5, hearing it, smelling it, watching what it does and having the time to absorb details. That alone will bring a greater understanding and perspective to many, and hopefully give them a greater appreciation for wildlife, conservation efforts and how they can contribute. ④ Inaddition to this, there isalsothe education that cantake place in Z0Osthrough signs, talks and presentations which directly communicate information to visitors about the animals they are seeing and their place in the world. This was an area where zoos used to be lacking, but they are now increasingly sophisticated in their communication and 8.

英語に自信がある人回答づくりお願いします！ ※書き込みは気にしないでください。 これプラス、問題に続きがあって、 問5 本文には、実物の動物を見ることによって人々がより深く理解できることが3つ書かれています。それらを日本語で答えなさい。 問6 本文には、動物園... Read More

第4問 次の英文を読んで、 設問に答えなさい。①~6は段落番号です。 黒体 6) のIn my view, (1)it_is perfectly possible for many species of animals living in gon.. ie parks to have a quality of life as high as, or higher than, in the wild. 'Animals in ood z0os get a varied and high-quality diet with all the supplements required. and anv 1pesses they might have will be treated.Their movement might be somewhat restricted. mt they have a safe environment in which to live, and they are spared bullying and social 神年 predators*2 or the irritation and pain of parasites or injuries. The average captive animal racism*1 by others of their kind. They do not suffer from the threat or stress of will have a greater life expectancy compared with its wild counterpart, and will not die of drought, of starvation or in the jaws of a predator. Alot of very nasty things happen to truly wild' animals that simply don't happen in good zoos, and to view a life that is 'free' as 術保者一 one that is automatically ‘good' is, I think, an error. Furthermore, zoos serve several key purposes. の Firstly, zoos aid conservation. Colossal numbers of species are becoming extinct across the world, and many more are increasingly threatened and therefore risk extinction. Moreover, some of these collapses have been sudden, dramatic and unexpected, or were simply discovered very late in the day. Aspecies protected in captivity can be bred up to provide a reservoir*3 population against a population crash or extinction in the wild. A good number of species only exist in captivity, with many ofthese livinginzoos. Stillmore only exist in the wildbecause they have been reintroduced from zoos, or have wild populations that have been1o0osted by captive bred animals Without (2these efforts there would be fewer species alive today. Although reintroduction successes are few and far between*4, the numbers are increasing, and the very fact that species have been saved or reintroduced as a result of captive breeding proves the value of such initiatives. ③ Zoos alsoprovide education. Many children and adults, especially those in cities, will never see a wild animal beyond a fox or pigeon. While it is true that television documentaries are becoming ever more detailed and impressive, and many natural history specimens are on display in museums, there really is nothing to compare with seeinga living creature in the flesh*5, hearing it, smelling it, watching what it does and having the time to absorb details. That alone will bring a greater understanding and perspective to many, and hopefully give them a greater appreciation for wildlife, conservation efforts and how they can contribute. ④ Inaddition to this, there isalsothe education that cantake place in Z0Osthrough signs, talks and presentations which directly communicate information to visitors about the animals they are seeing and their place in the world. This was an area where zoos used to be lacking, but they are now increasingly sophisticated in their communication and 8.

なぜ答えの図でy軸がiではなくて1なのかが分かりません

54 第2章 基礎問 32 領域(I) |z-1|>z-il をみたす複素数平面上の点zの存在する領域を図示 よ、 複素数平面上の点の軌跡は, z=x+yi とおくか, おかないかで 2通り考えられます。 これは条件式が等号であるか不等号である。 は関係ありません。 精講 (解I)でおくタイプ, (解IⅡ)でおかないタイプを考えてみますが, (解I ) * できるようにがんばりましょう。 解答 (解I)(z=エ+yi とおくタイプ) |z-1|>|z-il = 2-1P>lz-i ここで, z=I+ yi とおくと 「左辺=(z-1)+yiP=(z-1)?+y° 1右辺=エ+(y-1):P=z°+(y-1)? = -2.ェ>-2y 三>ェ これは, zが2点O, 1+iを結ぶ直線より上側 に存在することを意味する。 よって,点zの存在する領域は右図の斜線部。 10 1 ただし,境界は含まない。 注複素数平面ではなく, 普通の.ry 平面と考えれば「y>z」の表す領 域はわかるはずです。 (解I)(z=z+yi とおかないタイプ) P(z), A(1), B(i) とおくと, |z-1|=AP, |z-il=BP を表すので, 121 |z-1|>|z-il = AP>BP