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31-12-2016
Mathematics

contestada

What is the center of (x + 1)2 + (y - 3)2 = 9?

Question 10 options:

(-1, 3)

(1, 3)

(1, -3)

(-1, -3)

Respuesta :

apologiabiology apologiabiology

31-12-2016

the equation of a circle with center at (h,k) is
(x-h)^2+(y-k)^2=radius^2

given
(x-(-1))^2+(y-3)^2=9
center is (-1,3)

first option

Answer Link

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