Play with the sliders to explore different possibilities of number of solutions to linear-quadratic systems.[br][br]You can drag the blue line as well.[br][br]Feel free to zoom in and out to make sure you are seeing the whole picture!

1. Can you now sketch a case where there is no solution?[br]2. Can you now sketch a case where there is 1 solution?[br]3. Can you sketch a different way of getting 1 solution?