Present Continuous Tense

 Present Continuous Tense

Bentuk tense yang digunakan untuk menyatakan suatu tindakan atau kegiatan yang sedang berlangsung sekarang.

Bentuk  polanya :

        Kalimat Positif  : S + tobe (is, am, are) + Verb-ing + ....

        Kalimat Negatif : S + tobe (is, am, are) + Not + Verb-ing + ....

        Kalimat Tanya : tobe(Is, Am, Are) + S + Verb-ing + .....

Berikut contoh penggunaan dalam kalimat :

1.       (+) Ridho is singing at the concert hall

(-) Ridho is not singing at the concert hall

(?) Is Ridho singing at the concert hall? Yes, he is or No, he is not

 

2.       (+) I am reading poetry

(-) I am not reading poetry

(?) Am I reading poetry? Yes, I am or No, I am not

 

3.       (+) We are climbing the mountain

(-) We are not climbing the mountain

(?) Are We climbing the mountain? Yes, We are or No, We are not

 

4.       (+) He is writing a letter

(-) He is not writing a letter

(?) Is He writing a letter? Yes, he is or No, he isn’t

 

5.       (+) Father is hearing the radio

(-) Father is not hearing the radio

(?) Is Father hearing the radio? Yes, he is or No, He isn’t

 

6.       (+) My mother is cooking in the kitchen

(-) My mother is not cooking in the kitchen

(?) Is My mother cooking in the kitchen? Yes, she is or No, she isn’t

 

7.       (+) They are going to the zoo

(-) They are not going to the zoo

(?) Are they are going to the zoo? Yes, they are or No, they aren’t

 

8.       (+) Ridho is studying now

(-) Ridho is not studying now

(?) Is Ridho studying now? Yes he is or No, he isn’t

 

9.       (+) He is looking for his wallet

(-) He is not looking for his wallet

(?) Is He looking for his wallet? Yes, he is or No, he is not

 

10.   (+) She is tasting the pudding

(-) She is not tasting the pudding

(?) Is She tasting the pudding? Yes, she is or No, she isn’t

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Latihan Matematika Kelas 7 SMP/MTs Tentang Himpunan (Sifat-Sifat Himpunan)

 

MATEMATIKA KELAS VII SEMESTER 1

MATERI HIMPUNAN (SIFAT-SIFAT HIMPUNAN)

 

Kerjakan soal dibawah ini dengan teliti

1.    1.       Berikan contoh kehidupan sehari-hari tentang himpunan bagian berikut pemakaian lambangnya.

    Jawab :

    S= {Hewan pemakan tumbuhan}

    A = { Kambing, Sapi, Kerbau}

    A ⊂ S atau {Kambing, Sapi, Kerbau} ⊂  {Hewan Pemakan Tumbuhan}

 

2.     2.  Perhatikan soal berikut

M = { x| 2<x<7, x Î B}

a.    Tuliskan anggotanya dengan cara mendaftar

M = {3,4,5,6}

b.    Kardinalitas, n ( M) = ….

n(M) = 4

c.    Tuliskan himpunan bagian dengan cara dituliskan satu persatu

{}, {3}, {4}, {5}, {6}, {3,4}, {3,5}, {3,6}, {4,5},{4,6}, {5,6}, {3,4,5}, {3,4,6}, {3,5,6), {4,5,6}, {3,4,5,6}

d.    Tuliskan himpunan kuasa dari M

n(P(M)) = 2^n(M)

e.    Nyatakan banyaknya himpunan bagian dengan rumus  2ⁿ

Banyak himpunan bagian = 2⁴ =16

f.     Tuliskan himpunan bagian yang anggotanya 2

{3,4}, {3,5}, {3,6}, {4,5},{4,6}, {5,6}

g.    Tuliskan himpunan bagian yang anggotanya 3

{3,4,5}, {3,4,6}, {3,5,6), {4,5,6}

 

3.      3. Perhatikan hukum segitiga pascal

a.      Tulis ulang hukum segitiga pascal

 

b.      Dengan menggunakan segitiga pascal , Jika L = { 1, 2 ,3 , 4, 5, 6} maka tentukan banyaknya himpunan  bagian yang :

1)      Anggotanya 2 = 15

2)      Anggotanya 5 = 6

3)      Jumlah seluruh himpunan bagian = 64

4.      4. Berikan contoh dari Himpunan yang sama dan Himpunan Ekuivalen , masing-masing 2 contoh.

-          Himpunan Sama

A = {1,2,3}

B = {3,2,1}

A = B

 

P = {a,n,d,h,i}

Q = {i,n,d,a,h}

P = Q

 

-          Himpunan Ekuivalen

A = {1,2,3}

B = { a,b,c}

A ekuivalen dengan

 

P = {p,q,r}

Q = {k,l,m}

P Ekuivalen dengan Q

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