Quiz about MATEMATIKA TEKNIK KELAS PTE

Question 1

1. Tentukan akar-akar dari persamaan kuadrat $$x^2-5x+6=0$$ menggunakan metode faktorisasi.

Accepted Answer

$$A.\ x=2\ atau\ x=3$$

Answer

$$B.\ x=-2\ atau\ x=3$$

Answer

$$C.\ x=1\ atau\ x=6$$

Answer

$$D.\ x=-1\ atau\ x=-6$$

Question 2

Faktorkan polinomial $$x^2+6x+9$$

Accepted Answer

$$A.\ (x+3)(x+3)$$

Answer

$$B.\ (x-3)(x-3)$$

Answer

$$C.\ (x+2)(x+4)$$

Answer

$$D.\ (x-2)(x+3)$$

Question 3

Hitunglah jarak antara dua titik A(1,2) dan B(4,6) di bidang kartesius.

Accepted Answer

B. 5

Answer

A. 3

Answer

C. 6

Answer

D. 7

Question 4

Diketahui titik A(1,2) dan B(4,5). Berapakah persamaan garis yang melalui kedua titik tersebut?

Accepted Answer

$$A.\ y=x+1$$

Answer

$$B.\ y=x+2$$

Answer

$$C.\ y=2x-1$$

Answer

$$D.\ y=x-2$$

Question 5

Dalam segitiga siku-siku, jika panjang dua sisi yang saling tegak lurus adalah 6 cm dan 8 cm, berapakah panjang sisi miringnya?

Accepted Answer

A. 10

Answer

B. 12

Answer

C. 14

Answer

D. 16

Question 6

Accepted Answer

Question 7

Question 7.

Accepted Answer

D. 11

Answer

A. 16

Answer

B. 21

Answer

C. -1

Question 8

Question 8.

Accepted Answer

C. 1

Answer

A. 5

Answer

B. 4

Answer

D. 7

Question 9

Question 9.

Accepted Answer

B. -24

Answer

A. 24

Answer

C. 0

Answer

D. 6

Question 10

Tentukan nilai x dan y dari persamaan: $$2x+3y=7$$

$$x-y=1$$

Setelah menggunakan eliminasi Gauss.

Accepted Answer

$$A.\ x=2,\ y=1$$

Answer

$$B.\ x=3,\ y=0$$

Answer

$$C.\ x=1,\ y=0$$

Answer

$$D.\ x=2,\ y=-1$$

Question 11

Diketahui vektor $$v=3i-4j$$ . Berapakah panjang vektor $$|v|$$ ?

Accepted Answer

A. 5

Answer

B. 7

Answer

C. 9

Answer

D. 1

Question 12

Diketahui titik awal A(1,2) dan titik akhir B(4,6), berapakah komponen vektor AB dalam $$ai+bj$$ ?

Accepted Answer

$$A.\ 3i+4j$$

Answer

$$B.-3i+4j$$

Answer

$$C.\ 4i-2j$$

Answer

$$D.\ 2i+3j$$

Question 13

Tentukan sudut antara bidang $$2x-3y+z=4$$ dan $$x+y-2z=1$$

Accepted Answer

$$B.\ 45°$$

Answer

$$A.\ 30°$$

Answer

$$C.\ 60°$$

Answer

$$D.\ 90°$$

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