01.04.2022

x²-36=0 решите пожалуйста уравнение

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Алгебра

Вопрос школьника по предмету Алгебра

x²-36=0 решите пожалуйста уравнение

Ответ учителя по предмету Алгебра

(x-6)(x+6)=0

x1=6, x2=-6

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We moved to the city because we needed some ……. and quiet. A fresh B peace C sleep2 The detective ……. a mysterious letter in the cupboard. A is finding B found C was finding3 Kathy was doing her homework while Suzie ……. . A was cooking B cooks C is cooking4 The police officer asked to see my ……. . A ID B surf C rate5 I like ……. films because they usually take place in space. A adventure B drama C science-fiction6 It’s difficult for athletes to ……. a world record during the Olympic Games. A recover B break C find7 I don’t like the hustle and ……. of big cities. A alarm B bustle C lifestyle8 A scorpion was found in a ……. of grapes. A glass B bouquet C bunch9 John ……., took a shower and left for work. A was getting up B got up C get up10 ……. when you rang the doorbell? A Were they sleeping B Did they sleep C Are they sleeping11 I was ……. to see that the puppy found a home. A happy B shocked C interested12 We ……. the dog for a walk every morning. A are taking B take C taking13 My classmates were writing an essay when I ……. in the class. A was walking B walk C walked14 I bought some really nice ……. for my MP3 player. A laptops B headphones C submarines15 Mary and Tom ……. their house at 8am yesterday. A left B are leaving C leave16 I like watching chat ……. when I want to relax. A reports B shows C news17 We ……. to work when it started to rain. A walked B were walking C used to walk18 You ……. your house unlocked when you are not home. A shouldn’t leave B should leave C left19 Documentaries are very ……. . A educational B education C educated20 I got a ……. camera for my birthday. A virtual B digital C mobile21 If you press the ……. the screen will turn on. A button B dome C gadget22 We like to hang ……. at the café in the afternoons. A in B over C out23 I didn’t like the ……. of the film. It was too complicated. A plot B myth C adventure24 I can’t go out tonight because I have to finish a(n) ……. for school. A email B text message C assignment25 Many people ……. isolated in big cities. A sleep B sit C feel26 When you have a pet you have to show it lots of ……. . A affection B family C buttons27 At first ……. she seemed like a very friendly lady. A appearance B glance C case28 Dad is usually ……. when he comes home from work. A tire B tired C tiring29 The book ……. you are reading is very good. A who B why C which30 Yesterday, I saw a great ……. on wild animals. A documentary B weather report C cartoon31 He ……. lunch at the moment. A prepares B was preparing C is preparing32 You ……. a point. We should work harder at this. A know B have C give33 You’ll never ……. what happened to me yesterday. A say B guess C look34 Tom ……. to Hawaii last month. A used to go B went C go35 I know a lot of people who are ……. of environmental organisations. A members B winners C partners36 He is a (n) ……. actor. A intelligent young American B young intelligent American C American intelligent young37 Yesterday, Tom was chasing ……. a dog that took his ball. A after B out C on38 I ……. to pay the bills last month. A didn’t remember B doesn’t remember C don’t remember39 ……. are usually about a crime or a strange event. A Humorous stories B Biographies C Mysteries40 In my neighbourhood, I have all the shops ……. at hand. A close B islolated C far41 That hat really goes ……. your gloves. A on B with C in42 They ……. their son every Sunday. A are visiting B visits C visit43 I love ……. the Net. A sailing B skiing C surfing44 I never read ……. in the Sunday paper. I don’t believe in them. A fashion B text messages C horoscopes45 They had dinner ……. they finished with their work. A until B as soon as C just46 If you are feeling tired, you ……. to bed early tonight. A should go B shouldn’t go C go47 Look at the sky! It ……. a beautiful day. A will be B is going to be C is being48 First she did the washing up, ……. she started her homework. A then B when C as soon as49 To be a teacher you have to be very ……. . A curious B athletic C patient50 I like listening to ……. because I’m very curious about other people’s lives A articles B music C gossip51 I ……. in a hospital for the next few months. A worked B am working C work52 If you run fast, you ……. tired. A are getting B got C get53 The robber ran away ……. he saw the police car. A until B then C as soon as54 Jack was ……. to see that we were preparing breakfast. A surprise B surprised C surprising55 When you ……. a lot, you may fail your exams. A don’t study B didn’t study C weren’t studyingпомогите пожалуйста