Drag the slider to change the equation.
a:
b:
c:
x² - 3x + 1 = 0
2x² - 4x - 5 = 0
x² - x - 3 = 0
5x² + x - 1 = 0
x² - 8x + 7 = 0
x² + 4x + 3 = 0