Combine the like terms to create an equivalent expression 5k+(-2k)-(-1)
1 answer:
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The correct answer is:
(x + 3)^2 + (y + 2)^2 = 4^2, so the center is (–3, –2)
Further explanation:
The given equation of circle is:
In order to complete the square the terms have to be combined first
9 and 4 will be added to both sides of the equation to complete the square
The next step completes the work
Comparing with the standard form of circle
As the centre is (h,k), the centre of given circle will be:
(-3,-2)
Hence the correct answer is:
(x + 3)^2 + (y + 2)^2 = 4^2, so the center is (–3, –2)
Keywords: Circle, Equation of Circle
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