Using the following equation, find the center and radius of the circle. you must show all work and calculations to receive credit. x2 + 4x + y2 − 6y = −4

ANSWER

The center is (-2,3) and the radius is r=3.

EXPLANATION

We add the square of half the coefficient of the linear terms.

We make use of perfect squares to get;

We simplify to get:

We rewrite this to obtain:

We compare this to:

The center is (-2,3) and the radius is r=3.

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step-by-step explanation:

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answer is the third choice:

3x^5+4x^4+x^3+2x^2-10x-7=0

step-by-step explanation: