Question

Write the standard form of the equation of the circle with radius r and center (h, k)

r =√15; (h, k) = (0, -10)

Answer 1

the standart form is
(x-xc)²+(y-yc)²=r²

Answer 2

so
x²+(y+10)²=15

Answer 3

\[x^2+(y+10)^2=15\]

Answer 4

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