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More Lessons for A Level Maths

Math Worksheets

A collection of videos, activities and worksheets that are suitable for A Level Maths.

**Equation of Tangent to a Circle : C2 Edexcel June 2010 Q10(b)**

Example:

The circle C has centre A(2,1) and passes through the point B(10,7)

(a) Find an equation for C.

The line l_{1} is the tangent to C at point B.

(b) Find an equation for l_{1}.
**Tangents : Equation of a tangent to a Circle**

Example:

Find the equation of the tangent to the circle

x^{2} + y^{2} + 10x + 2y + 13 = 0 at the point (-3,2)

**Core 2 - Coordinate Geometry (The Equation of a Circle) - Basic Introduction**
**Coordinate Geometry - Circle, Tangents : C2 Edexcel January 2011 Q9**

Example:

The points A and B have coordinate (-2,11) and (8,11) respectively?

Given that AB is a diameter of circle C.

(a) show that the centre of C has coordinates (3,6).

(b) find an equation for C.

(c) Verify that the point (10,7) lies on C.

(d) Find an equation to the tangent at C at the point (10,7), giving your answer in the form y = mx + c, where m and c are constants.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

More Lessons for A Level Maths

Math Worksheets

A collection of videos, activities and worksheets that are suitable for A Level Maths.

Example:

The circle C has centre A(2,1) and passes through the point B(10,7)

(a) Find an equation for C.

The line l

(b) Find an equation for l

Example:

Find the equation of the tangent to the circle

x

Example:

The points A and B have coordinate (-2,11) and (8,11) respectively?

Given that AB is a diameter of circle C.

(a) show that the centre of C has coordinates (3,6).

(b) find an equation for C.

(c) Verify that the point (10,7) lies on C.

(d) Find an equation to the tangent at C at the point (10,7), giving your answer in the form y = mx + c, where m and c are constants.

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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