persamaan lingkaran dan persamaan garis singgung lingkaran
Quiz
•
Mathematics
•
12th Grade - University
•
Medium
SAHABAT BELAJAR
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui P(h,k) dan r berturut-turut menyatakan pusat dan jari-jari lingkaran x2+y2+8x−2y−8=0. Nilai dari r+k−h=⋯⋅
10
12
14
19
16
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Lingkaran L≡(x+1)2+(y−3)2=9 memotong garis y=3.Garis singgung lingkaran yang melalui titik potong antara lingkaran dan garis tersebut adalah ⋯⋅
x=2 dan x=−2
x=−2 dan x=−4
x=2 dan x=−4
x=8 dan x=−10
x=10 dan x=−8
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Lingkaran L≡(x−3)2+(y−2)2=4 memotong garis y=2. garis singgung lingkaran yang melalui titik potong antara lingkaran dan garis potong tersebut adalah . . . .
x=−1 dan x=−5
x=−1 dan x=5
x=1 dan x=−5
x=1 dan x=5
x=4 dan x=6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Persamaan garis singgung lingkaran x2+y2+12x−6y+13=0 di titik (−2,−1) adalah ⋯⋅
x−y+1=0
x+2y+4=0
2x−y+3=0
−2x−y−5=0
3x−2y+4=0
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
persamaan lingkaran yang pusatnya di titik (1,2) dan menyinggung garis y=x adalah ⋯⋅
3x2+3y2−6x−15y+16=0
2x2+2y2−4x−8y+9=0
2x2+2y2−4x−6y+7=0
x2+y2−2x+4y+2=0
x2+y2−4x−2y+1=0
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Salah satu persamaan garis singgung lingkaran x2+y2−2x+6y−10=0 yang sejajar dengan garis 2x−y+4=0 adalah ⋯⋅
2x−y=14
2x−y=10
2x−y=−5
2x−y=−6
2x−y=5
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Diketahui 2 lingkaran dengan persamaan x2+y2+6x−8y+21=0 dan x2+y2+10x−8y+25=0. Hubungan antara kedua lingkaran ini adalah ⋯⋅
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