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SAJ MATEMATIKA WAJIB XI

Authored by Widyastuti Andayani

Mathematics

11th Grade

SAJ MATEMATIKA  WAJIB  XI
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51 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

1. Persamaan lingkaran yang melalui titik (–4,4), (–1,1), dan (2,4) adalah….


a. x2 + y2 – 2x + 8y + 8 = 0

b. x2 + y2 + 2x – 8y + 8 = 0


.

c. x2 – y2 + 2x – 8y + 8 = 0

d. x2 + y2 – 2x – 8y + 8 = 0


e. x2 + y2 + 2x – 8y – 8 = 0


2.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

2. Persamaan lingkaran dengan pusat (3,2) dan menyinggung sumbu Y adalah….



a. x2 + y2 – 6x – 4y – 4 = 0

b. x2 + y2 – 6x – 4y + 4 = 0


c. x2 + y2 + 4x – 6y + 4 = 0



d. x2 + y2 – 2x – 8y + 4 = 0


e. x2 + y2 + 2x – 4y – 4 = 0


3.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

3. Koordinat pusat lingkaran x2 + y2 – 6x + 4y – 24 = 0 adalah….



a. (– 6 , 4)

b. (6 , – 4)

c. (– 3 , 2)



d. (3 , – 2)

e. (4 , – 6)


4.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

4. Kedudukan garis g: x + y = 3 terhadap lingkaran L: x2 + y2 = 36 adalah….



a. Ada

b. Garis g memotong lingkaran L di satu titik

c. Garis g di luar lingkaran L


d. Tidak ada


e. Garis g memotong lingkaran L di dua titik



5.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

5. Diketahui titik (–5, k) terletak pada lingkaran x2 + y2 + 2x – 5y – 21 = 0. Nilai k yang memenuhi adalah….


a. –6

b.-3

c. 1

d. 3

e. -1

6.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

6. Titik potong lingkaran x2 + y2 + 4x + 2y = 0 dengan garis 2x – y + 8 = 0 adalah….



a. (4, 0)

b. (0, 4)

c. (–4, 0)


d. (2, 4)

e. (–2, –3)


7.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

  1. 7. Diketahui persamaan lingkaran x2+y2−6x+8y=0 maka jari-jarinya adalah….


a. 1

b. 2

c. 3

d. 4

e. 5

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