RÓWNANIA KWADRATOWEROZWIAZ RÓWNANIE:a)-3xkwadrat+2x-3=0b)6xkwadrat-11x-7=0.... Question from @adamiec621

adamiec621 @adamiec621

September 2018 2 12 Report

RÓWNANIA KWADRATOWE

ROZWIAZ RÓWNANIE:

a)-3xkwadrat+2x-3=0
b)6xkwadrat-11x-7=0

ZDJECIE DO 1 ZADANIA1.may,may not,might,might not.Rewrite the sentences using may/may not or might/mihgt not.1.Perhaps he won't get to the airport on time. (may)2.It's possible that he'II miss his flight. (might)3.Maybe he'II have to spend the night at the airport. (may)4.It's possible that he'LL have to fly tomorrow. (might)5.Maybe he won't get a seat on tomorrow's flight. (might)6.perhaps he'II miss his holiday! (may)2.will probably/gefinitelyPut the words in the corect order to make sentences.1.Liverpoll/probably/this year/won't/the cup/ win2.any snow/be/definitely/There/this Christmas/won't3.Carla/home/be/later/probably/will4.definitely/finish/I/my homework/today/will5.You/have to/will/again/probably/take the test6.be able/to come/I/to party/won't/probably

Answer

adamiec621 September 2018 | 0 Replies

Wyznacz równanie osi symetrii paraboli oraz współrzędne jej wierzchołkaa)y=x(x-6)b)y=-x*(x-10)c)y=(x+2)(x-6)d)y=-2(x+3)(x-4)

Answer

adamiec621 September 2018 | 0 Replies

Rozwiąz krzyżówke1.In many counries you have to carry...with you at all times. 2 litery2.Smoking is........in many public places in the UK.You're not allowed to smoke .6liter3.Which politicians are you going to........ for in the election? 4litery4.Kate wants to........the army. 4 litery5.In the UK it is.......to sell alcohol to people under the age of eighteen.7liter6.When you kill someone it is....... 6 liter7.In some countries you can get the........... ..............if you commit a very serious crime. 12 liter8.To..........means to take things without paying for them. 5 liter9.When I pass my........... ................,I want to buy a car. 11 liter10.In your counrty,do people go to...............if they don't vote in elections? 6 liter

Answer

adamiec621 September 2018 | 0 Replies

Oblicz wyróżnik trójmianu kwadratowego. Podaj liczbę rozwiązań równania.√2x+2√5x+1=0

Answer

adamiec621 September 2018 | 0 Replies

POMOCY ANGIELSKIDO THE EXAM TASK i TŁUMACZENIEJestes na stypendium w Anglii.Wraz z kolegą/koleżanką postanawiacie urządzić wspólne przyjęcie dla znajomych z uczelni.Napisz zaproszenie do jednego z nich,zawierajace;-wyjasnienie,z jakiej okazji urządzacie przyjecie,-informację o dniu i godzinie imprezy,-informacje o miejscu imprezy,-prośbę o przyniesienie czegoś do picia lub jedzenia.

Answer

adamiec621 September 2018 | 0 Replies

POMOCY ANGIELSKIDO THE EXAM TASK i tłumaczenieJestes na stypendium w Anglii.Wraz z kolegą/koleżanką postanawiacie urządzić wspólne przyjęcie dla znajomych z uczelni.Napisz zaproszenie do jednego z nich,zawierajace;-wyjasnienie,z jakiej okazji urządzacie przyjecie,-informację o dniu i godzinie imprezy,-informacje o miejscu imprezy,-prośbę o przyniesienie czegoś do picia lub jedzenia.

Answer

adamiec621 September 2018 | 0 Replies

zad1.Wybierz własciwa wypowiedz do kazdej sytułacji.1You're in a bookshop.You saya.I'm looking for a book about keeping fit.b.I'm looking for the book about keeping fit.2.You are a teacher.You saya.I work in a big schoolb.I work in the big school.3.You and your friend want to go out for a meal.You saya.I lkie Chinese food.bI like the Chienese.4.You're in a town you don't know.You want to go out.You saya.Let's go to a disco.b.Let's go to the disco.5.You want to catch a train.You saya.Where's nearest train station?b.Where's the nearest train station?Zad2.Podkresl własciwe wyrazy.1.I think the/a/nic diet is important for the/a/nic sports stars.2.I' ve got the/an/nic esam tomorrow.It's in the/a/nic afternoon.3.Our science teacher says the/a/nic cereals give you the/a/nic energy.4.This magazine artcile says that the/a/nic olive oil is good for your skin5.We have the/a/nic brekfast at 7.am.I have the/a/nic piece of toast and the/a/nic cup of tea.6.I' ve got the/a/nic football match after school.The/A/nic match starts at 4.30p.mZad3.Uzupelni zdania uzywajac a/an,the lub nic(brak przedimka).1.Vicky is..... studnet doctor and she works in ............small hospital.2.Carrie is.....English gymnast in.national team.3.Paul is.......American graphic desinger and he designed....company's logo.4.Ruben works for........multinational company and he travels all over .......world.5.Melanie works at....information.desk in..........busu airport in........Spain.6.James is........managing director of..........new company.Zad 4Uzupelnij tekst o Chloe,uzywajc a/an,the lub nic(brak przedimka)My dayI'm Chloe,I'm student nurse from machester.......hospital is one of.........busiest in..........city, so I'm always busy at...........work.I try to have.........good brekfast with....... bowl of cereal and........carton of joghurt.I often have.cup of coffe or tea when I feel sleepy and sometimes I have....apple or orange and.......bar of chocolate for energy.When I'm not working I eat very healthy food.I have lots of.vegetables and..fish and...fresh fruit.That compensates for all.....fast food I eat at......work!Zad9Uzupelni e-mail uzywajac a/an,the lub nicHi greg!You asked about school in my country.Well,I go to...............school five days.......week-and I have extra classes on Saturday too!From Monday to friday I go....home at four o'clock.We have the best English teacher in......world,she's great.We have special English Day's once...month too. .........whole class goes to the cinema to see a film in English

Answer

adamiec621 September 2018 | 0 Replies

zad1Complete the rules with must of mustn't1.Each team.......have six players.2.You..touch the ball more than three times before returning it.3.The server.....use his/her hand to serve the ball.4.The players............touch the net.5.You.....go into the other team's area.zad2.Look at the streer scene.What should the people do?What shouldn't they do?Write two sentences about each person with the phrases below.obrazek w załącznikulisten to music use a mobile phonewear a helmet look carefullywear a seat belt read a newspaperThe driver............while she's driving.The cyclist.......while he's cycling.The pedestrain......while he's crossing the road.zad3 Rewrite the sentences,replacing the phrases in bold with should(n't) or must(n't)1.It's goog idea for you eat fresh fruit and vegetablesYou.........................................2.It's very very important for you to get up early tomorrow.You..................................................3.Is it a goog idea for me to phone you later?............................................................4.Don't be later for the new studnet's meeting!!!You..........................................................!!!5.It's not a good idea to drink cofee before going to bed.You.........................................................................

Answer

adamiec621 September 2018 | 0 Replies

zad1Napisz zdania o sobie uzywajac czasowników z ramkienjoy, can't stand,plan,love ,need,don't mind.Zad2Jackie (J) odpowiada (A) o swoim problemie.Uzupelni dialog czasownikami z ramki w odpwiedniej formie.be,teach,,practse,learn,leave,help ,lice,do ,employ,meet,speak.J;Help! My parenst are driving me crazy.I want to ….....home.A;What?You enjoy......with them!J;Usually but last month they decided........a new nanny for my younger sister and I can't stand.....with her.A;Why not?You usually love......new people.J;Well,she's Spanish and she only started...................English me..........her with her homework every night.I dom't mind........it sometimes but they want me......to her all time in EnglishA:Look,you need.....your Spanish.I'm sure she wouldn't mind.....you some Spanish too.You should talk to your parents.J;Good idea,I willZAD3Complete the sentences with the infinitive or-ing form of the verbs.1.Toni really likes........(work)with children.She wants..............(be) a primary school teacher when she's older.2.I enjoy.............(read) about South America.I'd love...........(go) there one day.3.Stephanie hates......(get up) early!She'd like..........(stay) in bed till 11 o'clock every day!4.I hope..........(live)abroad after I finish school.I really love.......(learn)about other cultures.5.Adam spends all his time...........(play) computer games.He'd like.......(get)a jab as a computer game desinger one day.Zad4Them write the correct form of the verbs in brackets:infintive or gerund.1Our teacher is very good at …...........(remember) people's names!2.I'm very happy.......(be)here again.3.I'm tiredof (stay) at home every evening:let's go out4.It was very dificult.........(understand) what she was saying5.It was very nice........(see)all my friends again.6.She left without......(say)goodbye.

Answer

danwos

a) -3x²+2x-3=0

a=-3, b=2, c=-3

Δ=b²-4ac

Δ=2²-4·(-3)·(-3)=4-36=-32

Δ<0

równanie nie ma rozwiązań

b)6x²-11x-7=0

a=6,b=-11, c=-7

Δ=11²-4·6·(-7)

Δ =121+168=289

√Δ=17

x₁=11-17/12=-6/12=-1/2

x₂=11+17/12=28/12=2 i 1/3

0 votes Thanks 0

Jagodaaaaaa

Δ=4-36=-32

brak rozwiązan

x1=11+17/12=2 i 1/3

x2=11-17/12=-1/2

Wyznacz równanie osi symetrii paraboli oraz współrzędne jej wierzchołkaa)y=x(x-6)b)y=-x*(x-10)c)y=(x+2)(x-6)d)y=-2(x+3)(x-4)

Oblicz wyróżnik trójmianu kwadratowego. Podaj liczbę rozwiązań równania.√2x+2√5x+1=0

Recommend Questions

Life Enjoy

Get in touch

Social