# How do you write the standard equation of a circle with the given center (-4,3) and tangent to the line y=1?

Since the center is known, the radius is the only thing that needs to be obtained.

To find the point of tangency, take the intersection of the tangent line and the line that passes through the center and the point of tangency.

Since these lines are perpendicular, the slope of one should equal the negative inverse of the other. Keep this in mind.

The distance that needs to be equal to the radius is the one that needs to be measured between the center and the point of tangency.

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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.

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