Solve Quadratic Equations
Try:
Solve[x^2 - 4x + 3 = 0, x]
Solve[x^2 + bx + 1 = 0, x]
Add a slider for b and define the function:
f(x) = x^2 + b x + 1
How do the roots change as you move the slider?
What’s the benefit of showing algebra and graph together?