Quiz about LATIHAN SOAL SAS MATEMATIKA KELAS 8

Question 1

$$\sqrt{32}-2\sqrt{50}+3\sqrt{18}$$

Hasil nya adalah . . ..

Accepted Answer

$$3\sqrt{2}$$

Answer

$$2\sqrt{2}$$

Answer

$$3\sqrt{3}$$

Answer

$$2\sqrt{3}$$

Question 2

$$\sqrt{12}+\sqrt{27}+\sqrt{75\ }=.......$$

Accepted Answer

$$10\sqrt{3}$$

Answer

10

Answer

$$5\sqrt{3}$$

Answer

$$4\sqrt{3}$$

Question 3

$$\frac{\sqrt{3}}{\sqrt{3}-2}$$

Accepted Answer

$$-3-2\sqrt{3}$$

Answer

$$-3+2\sqrt{3}$$

Answer

$$3-2\sqrt{3}$$

Answer

$$3+2\sqrt{3}$$

Question 4

Jika $$3 imes3 imes3 imes3=9^p,$$ maka $$p=\cdot\cdot\cdot$$

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 5

Bentuk sederhana dari $$\frac{3\ ^7 imes\ 3^2}{3^3}$$ adalah ....

Accepted Answer

$$3^6$$

Answer

$$3^5$$

Answer

$$3^4$$

Answer

$$3^3$$

Question 6

Sebuah kapal berlayar sejauh 45 km ke arah timur, kemudian berbelok ke arah utara sejauh 60 km. Jarak terpendek yang dilalui kapal dari titik awal adalah ....

Accepted Answer

75 km

Answer

45 km

Answer

60 km

Answer

80 km

Question 7

perbandingan AB : BC : AC adalah ....

Accepted Answer

1 : 2 : $$\sqrt[]{3}$$

Answer

1 : $$\sqrt[]{3}$$ : 2

Answer

2 : 1 : $$\sqrt[]{3}$$

Answer

2 : $$\sqrt[]{3}$$ : 1

Question 8

perbandingan KL : KM : LM adalah ....

Accepted Answer

1 : 1 : $$\sqrt[]{2}$$

Answer

1 : $$\sqrt[]{2}$$ : 1

Answer

$$\sqrt[]{2}$$ : 1 : 1

Question 9

Besar sudut A adalah ....

Accepted Answer

90

Answer

30

Answer

60

Question 10

Sebuah tangga yang panjangnya 13 meter disandarkan ke ujung atas tiang listrik. Jika jarak ujung bawah tangga ke tiang listrik 5 meter, maka tinggi tiang listrik adalah ....

Accepted Answer

12 meter

Answer

8 meter

Answer

10 meter

Answer

18 meter

Question 11

Perhatikan gambar berikut !

Panjang AD adalah ....

Accepted Answer

17 cm

Answer

15 cm

Answer

24 cm

Answer

25 cm

Question 12

Berikut yang merupakan tripel Pythagoras adalah ....

Accepted Answer

6, 8, 10

Answer

4, 6, 8

Answer

4, 8, 10

Answer

6, 8, 12

Question 13

Himpunan penyelesaian dari 2x + 3 $$\le$$ 9 adalah ...

Accepted Answer

{ x I x $$\le$$ 3, x undefined R }

Answer

{ x I x $$\ge$$ 3, x $$\in$$ R }

Answer

{ x I x $$>$$ 3, x undefined R }

Answer

{ x I x $$<$$ 3, x undefined R }

Question 14

Tiga bilangan genap berurutan jumlahnya 144. Jumlah bilangan terbesar dan terkecil dari bilangan tersebut adalah ...

Accepted Answer

96

Answer

84

Answer

88

Answer

92

Question 15

Penyelesaian dari pertidaksamaan y + 2 > 6 adalah ...

Accepted Answer

5,6,7,8

Answer

3,4,5,6

Answer

4,5,6,7

Answer

6,7,8,9

Question 16

Perhatikan kalimat terbuka berikut!

x + 8 = 11

Agar kalimat terbuka di atas bernilai benar, z harus diganti dengan

Accepted Answer

3

Answer

2

Answer

4

Answer

5

Question 17

2x + 3 = x - 5 , nilai x = .....

Accepted Answer

-8

Answer

8

Answer

4

Answer

-4

Question 18

4x + 3 = 2x + 7 , nilai x = .....

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 19

Tentukan penyelesian dari pertidaksmaan $$3x+1>-14$$ ...

Accepted Answer

$$x>-5$$

Answer

$$x<-5$$

Answer

$$x>2$$

Answer

$$x<2$$

Question 20

untuk setiap y bilangan bulat, tentukan nilai y yang memenuhi

$$8y-11≥7(2y+1)$$

Accepted Answer

$$y=\left\{...,-6,-5,-4,-3\right\}$$

Answer

$$y=\left\{-3,-2,-1,0,1,2,...\right\}$$

Answer

$$y=\left\{-2,-1,0,1,2,3,...\right\}$$

Answer

$$y=\left\{...,-6,-5,-4\right\}$$

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