1. Enter values for a,b and c for the quadratic graph (a must not be zero!)[br]2. Enter values for m and c for a straight line that crosses the curve.[br]3. Write down the co-ordinates of the points A and B[br]4. Reveal answer to check the equation you have solved.

Answer questions on accompanying worksheet.[br]Which questions could you have solved by factorising? How do you know?