# How do you find the center and radius of the circle #(x+4)^2+y^2=49#?

Center of the circle is

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

- How do you find the center and vertices of the ellipse #x^2/4+y^2/(1/4)=1#?
- Is the equation #4x^2-y^2-4x-3=0# a line, parabola, ellipse, hyperbola, or circle?
- How do you find the center and radius of the circle: #(x - 6)^2 + y^2 = 49#?
- How do you find the center and radius of the circle: # x^2 + y^2 – 10x + 6y + 18 = 0#?
- How would you find the equation of the circle, center at (2/3) with a radius of 10 units?

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