nonstopbedman nonstopbedman

04-05-2018
Mathematics

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What are the coordinates of the center of a circle whose equation is (x + 7)2 + (y – 5)2 = 16?

Respuesta :

04-05-2018

Hi there! The answer is ( - 7, 5)

The standard form of the equation of a circle is the following:
[tex](x - a) {}^{2} + (y - b) {}^{2} = r {}^{2} [/tex]

In this equation r represents the radius of the circle and the point (a, b) is its centre.

Therefore, the centre of the circle
[tex](x + 7) {}^{2} + (y - 5) {}^{2} = 16[/tex]
is the point ( - 7, 5).

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