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Lingkaran dan Persamaan Garis Singgung

Authored by Novi Tria Amelia

Mathematics

10th - 12th Grade

Used 90+ times

Lingkaran dan Persamaan Garis Singgung
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14 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Salah satu persamaan garis singgung lingkaran ( x – 2 )² + ( y + 1 )² =13 di titik yang berabsis –1 adalah ….

3x – 2y – 3 = 0

3x – 2y – 5 = 0

3x + 2y – 9 = 0

3x + 2y + 9 = 0

3x + 2y + 5 = 0

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Persamaan garis singgung lingkaran

x² + y² – 2x – 6y – 7 = 0

di titik yang berabsis 5 adalah ….

4x – y – 18 = 0

4x – y + 4 = 0

4x – y + 10 = 0

4x + y – 4 = 0

4x + y – 15 = 0

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Salah satu persamaan garis singgung lingkaran x² + y² = 25 yang tegak lurus garis 2y – x + 3 = 0 adalah….

y=12x+525y=-\frac{1}{2}x+\frac{5}{2}\sqrt{5}

y=12x525y=-\frac{1}{2}x-\frac{5}{2}\sqrt{5}

y=2x55y=2x-5\sqrt{5}

y=2x+55y=-2x+5\sqrt{5}

y=2x+55y=2x+5\sqrt{5}

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui titik A(5,-1) dan B(2,4). Tentukan persamaan lingkaran yang diameternya

melalui titik A dan B !

x2 + y2 - 9x - 1y + 8 = 0

x2 + y2 - 7x - 3y + 6 = 0

x2 + y2 - 1x - 4y + 4 = 0

x2 + y2 – 2x - 4y + 3 = 0

x2 + y2 - 2x - 3y + 4 = 0

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Tentukan persamaan lingkaran yang berpusat di titik (2,-3) dan menyinggung garis 3x - 4y + 7 = 0 !

x2 + y2 – 9x + 3y – 64 = 0

x2 + y2 – 7 + 8y – 17 = 0

x2 + y2 – 4x + 6y – 12 = 0

x2 + y2 – 9x + 4y – 85 = 0

x2 + y2 – 8x + 3y – 15 = 0

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Tentukan pusat lingkaran x2 + y2 + 4x - 6y + 13 = 0 !

(-4,3)

(-2,9)

(-1,2)

(-2,3)

(-6,4)

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Tentukan jari-jari lingkaran x2 + y2 - 4x + 2y + c = 0 yang melalui titik A(5,-1) !

1

2

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4

5

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