The equation (x + 6) ^2 + (y + 4) ^2 = 36 models the position and range of the source of a radio signal. Describe the position of the source and the range of the signals

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Mathematics

2 July, 02:42

The equation (x + 6) ^2 + (y + 4) ^2 = 36 models the position and range of the source of a radio signal. Describe the position of the source and the range of the signals

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Carlos Gould · Answer 1

A circle equation is:

(x - p) ² + (y - q) ² = r², where p and q are coordinates of the center.

The position of the source is : ( - 6, - 4) and the range:

r² = 36 ⇒ r = 6