Okresl, dla jakich wartosci parametru m zbior liczb rzeczywistych R jest zbiorem rozwiazan nierownos.... Question from @Bodizo

December 2018 2 25 Report

Okresl, dla jakich wartosci parametru m zbior liczb rzeczywistych R jest zbiorem rozwiazan nierownosci: a) x² + 2x +m > 0 b) x² - mx +3 > 0
Poważne odpowiedzi

TRANSFORMACJE ZDAŃ 1. There's a party at Mary's house next week. Next week Mary …………………………………………………..a party at her house. 2. When you phoned me, it was my lunchtime. When you phoned me, I …………………………………………………..lunch 3. I started working for this company three years ago. I’ve …………………………………………………..for this company for three years. 4. Our meeting is tomorrow. We …………………………………………………..a meeting tomorrow 5. I haven't had a Chinese meal for ages. It's ages …………………………………………………..a Chinese meal 6. David went home before we arrived. When we arrived David. …………………………………………………..out 7. The arrival time of Helen's flight is 8.00. Helen's flight …………………………………………………..at 8.00 8. Hurry up! We'll get to the theatre after the beginning of the play. By the time we get to the theatre, the play 9. Oh no! My wallet is missing. ………………………………………………….. Oh no! I …………………………………………………..my wallet. 10. I've only recently started wearing glasses. I didn't …………………………………………………..glasses until recently. Proszę o poprawne odpowiedzi inne beda zglaszane usuwane

Answer

Bodizo April 2019 | 0 Replies

Tenses: Present Perfect vs. Simple Past 3. Put the verb into the correct tense form: 1. a. Where’s your key? b. I don’t know. I ............................................ (lose) it. 2. I did German at school but I ............................................ (forget) most of it. 3. I meant to phone Diane last night but I ............................................ (forget) it. 4. I ............................................ (have) a headache earlier but I feel fine now. 5. Look, there’s an ambulance over there. There ............................................ (be) an accident. 6. The police ............................................ (arrest) three people but later they let them go. 7. Where’s my bike? I ............................................ (leave) it outside the house but now it ............................................ (disappear)! 8. Oh, I ............................................ (cut) my finger! It’s bleeding. 9. My parents ............................................ (get) married in London last spring. 10. Mary is not at home. She ............................................ (go) shopping. 11. Your hair looks nice. ............................................ (you/have) a haircut? 12. a. When is your birthday? b. I ............................................ (be) born on June the 30th, 1970. Tenses: Present and Future 4. Put the verb into the correct tense form: 1. Don’t call me between 7 and 8. I ............................................ (have) dinner. Call me after 8 o’clock. We ............................................ (finish) dinner by then. 2. a. Can we meet tomorrow noon time? b. No, I ............................................ (work). 3. If he continues like this, he ............................................ (spend) all his money by the end of his holiday. 4. Do you think you ............................................ (still/do) the same job in ten years’ time? 5. If you need to contact me, I ............................................ (stay) at Knightsbridge Hotel till Friday. 6. I ............................................ (call) you when I ............................................ (get) back from work. 7. We must do something soon before it ............................................ (be) too late. 8. Brian looks very different now. When you ............................................ (see) him again, you ............................................ (not/recognize) him. 9. I don’t want to go out with you. I ............................................ (stay) at home until you ............................................ (be) back. 10. I am going for lunch. If anybody ............................................ (phone) while I ............................................ (be) out, can you take a message? 11. I am truly offended. I ............................................ (not/speak) to her until she ............................................ (apologise). 12. James is travelling around Europe. By the end of his trip, he ............................................ (cover) a distance of 3,000 miles. Prosze o poważne odpowiedzi gdyż inne będą zgłaszane i usuwane

Answer

Bodizo April 2019 | 0 Replies

Proszę o rozwiazanie 1. The movie was really ! interested interesting 2. I thought it was a good lecture, but I wasn't very in the topic. interesting interested 3. Our town is so ! There is nothing to do here. boring bored 4. Are you with that game already? bored boring 5. Have you heard her laugh? It's so . annoyed annoying 6. I'm really with one of my coworkers. annoyed annoying 7. The city was during the storm. damaging damaged 8. The information was quite to his reputation. damaged damaging 9. I was by the way she acted. amusing amused 10. Do you find this type of humor __? amusing amused ANSWER THE QUESTIONS 1. What was the most challenging situation you have ever faced? 2. What is a good cause to raise money for charity? 3. Describe an unusual personal challenge which would help to raise money? 4. Which sport would you like to try? 5. Have you ever signed up for something and then given it up? 6. When do you get nervous? 7. Who is the most sympathetic person you know 8. What kind of people drive you crazy? 9. When was the last time you felt really annoyed? 10. what’s the most boring/terrifying thing you have ever done? Proszę o poważne odpowiedzi gdyż inne będą zgłaszane i usuwane.

Answer

Bodizo February 2019 | 0 Replies

Zadanie 3 w obu grupach proszę o pomoc Poważne odpowiedzi Reszta będzie zglaszana

Answer

Bodizo February 2019 | 0 Replies

dominnio
W obu tych zadaniach chodzi tylko i wyłącznie o to, aby nierówność spełniały wszystkie liczby rzeczywiste, czyli de facto, żeby te równania kwadratowe nie miały miejsc zerowych. Będzie tak jeśli "delta" będzie mniejsza od zera.
(d ---> oznaczenie delty)

a)
$><br />To jest już nasz odpowiedź. Można ją jeszcze zapisać w postaci zbioru.<br /><img src=$

b)
$x^2 - mx + 3 > 0\\
d = m^2 - 12\\
m^2 - 12 < 0\\
m^2 < 12\\
m< \sqrt{12}\ \ \ \wedge \ \ \ m>- \sqrt{12}\\
m< 2\sqrt{3}\ \ \ \wedge \ \ \ m>- 2\sqrt{3}\\ \\
m\in (-2 \sqrt{3},2 \sqrt{3} )$

1 votes Thanks 1

filossboss Rozwiazanie na zdjeciu ;)

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