# Worksheet: The Equation of a Tangent to a Circle

In this worksheet, we will practice finding the equation of a tangent to a circle using the coordinates of the circle’s center and a point of tangency.

**Q4: **

The equation of the given graph is . Find the equation of the tangent at the point .

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**Q5: **

For the equation find the equation of the tangent at the point .

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Which of the following is the graph of the circle along with the tangent line found in the first part?

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**Q6: **

A circle has the equation . Find the gradient of the tangent at the point .

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