Quiz about UH LINGKARAN

Question 1

persamaan lingkaran yang berpusat di O(0,0) dan memiliki jari-jari r= $$5\sqrt[]{4}$$

Accepted Answer

$$x^2+y^2=100$$

Answer

$$x^2+y^2=20$$

Answer

$$x^2+y^2=75$$

Answer

$$x^2+y^2=50$$

Question 2

Kedudukan titik A(-6,-2) terhadap lingkaran $$\left(x-6\right)^2+\left(y+3\right)^2=60$$ adalah....

Accepted Answer

diluar

Answer

didalam

Answer

pada lingkaran

Answer

tidak tahu

Question 3

kedudukan garis y=x+2 terhadap lingkaran $$x^2+y^2-5x+9y-20=0\ $$ adalah....

Accepted Answer

memotong lingkaran

Answer

tidak memotong lingkaran

Answer

tidak menyinggung lingkaran

Answer

menyinggung lingkaran

Question 4

pusat lingkaran yang memiliki persamaan $$\left(x-4\right)^2+\left(y-5\right)^2=70$$ adalah...

Accepted Answer

(4,5)

Answer

(-4,-5)

Answer

(5,4)

Answer

(-4,-5)

Question 5

Persamaan lingkaran yang berpusat di P(-5,8) dan memiliki jari-jari r= $$4\sqrt[]{4}$$ adalah...

Accepted Answer

$$\left(x+5\right)^2+\left(y-8\right)^2=64$$

Answer

$$\left(x+5\right)^2+\left(y-8\right)^2=16$$

Answer

$$\left(x-5\right)^2+\left(y-8\right)^2=16$$

Answer

$$\left(x-5\right)^2+\left(y-8\right)^2=64$$

Question 6

pusat lingkaran yang memiliki persamaan $$x^2+y^2-6x+8y-50=0$$ adalah...

Accepted Answer

(3,-4)

Answer

(3,4)

Answer

(-3,4)

Answer

(-3,-4)

Question 7

Persamaan garis singgung lingkaran $$x^2+y^2=36$$ melalui titik (4,-12) adalah...

Accepted Answer

x-3y=9

Answer

x+3y=9

Answer

4x-3y=36

Answer

x-12y=36

Question 8

Persamaan garis singgung lingkaran $$\left(x-5\right)^2+\left(y+8\right)^2=121$$ melalui titik (5,3) adalah....

Accepted Answer

y=3

Answer

y=-3

Answer

y=33

Answer

y=-33

Question 9

Persamaan garis singgung lingkaran $$\left(x+5\right)^2+\left(y-6\right)^2=25$$ melalui titik (6,8) adalah....

Accepted Answer

$$11x+2y=-18$$

Answer

$$11x+2y=18$$

Answer

$$11x-2y=18$$

Answer

$$11x-2y=-18$$

Question 10

Kedudukan garis y=4x terhadap lingkaran $$x^2+y^2-4x+5y+17=0$$ adalah....

Accepted Answer

tidak memotong

Accepted Answer

tidak menyinggung

Answer

memotong lingkaran

Answer

menyinggung lingkaran

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