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Determine the equation of the circle with radius 7 and center (8,-9)

User Brevleq
by
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1 Answer

11 votes

Answer:

(x - 8)² + (y + 9)² = 49

Explanation:

the equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k ) are the coordinates of the centre and r is the radius

here (h, k ) = (8, - 9 ) and r = 7 , then

(x - 8)² + (y - (- 9) )² = 7² , that is

(x - 8)² + (y + 9)² = 49

User Lucca Ferri
by
7.7k points

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