The Equation of a Tangent to a Circle

The Equation of a Tangent to a Circle.pdf
The Equation of a Tangent to a Circle Solutions.pdf

Questions about tangent lines to circles are quite common on the final Higher exam so be prepared to see at least one. Although they're not very difficult they can involve tricky algebra so spend some time practising them. Read the instructional material and have a go at the practice questions. Remember to check your solutions.