A A\,A is the point (0,1)(0, 1)(0,1)
B B\,B is the point (10,6)(10, 6)(10,6)
The equation of the straight line through A A\,A and B B\,B is y=12x+1\displaystyle y = \frac{1}{2}x + 1y=21x+1

Write down the equation of another straight line parallel to y=12x+1\displaystyle y = \frac{1}{2}x + 1y=21x+1
Write down the equation of another straight line that passes through the point (0,1)(0, 1)(0,1)
Find the equation of the line perpendicular to AB AB\,AB passing through BBB.
36 exam-style questions on AQA GCSE Maths Perpendicular Lines and the equation of a tangent. Each one has a worked solution and a mark scheme showing where the marks go.