Solving equations graphically
1. Enter values for a,b and c for the quadratic graph (a must not be zero!)
2. Enter values for m and c for a straight line that crosses the curve.
3. Write down the co-ordinates of the points A and B
4. Reveal answer to check the equation you have solved.
Answer questions on accompanying worksheet.
Which questions could you have solved by factorising? How do you know?