With Equal X-Y Scaling for True Geometric Representation
ax^2 + bx + c = 0
b^2 - 4ac
[-b ± �(b²-4ac)]/2a
(-b/2a, f(-b/2a))
x^2 - 9 = 0
x^2 + 2x + 1 = 0
2x^2 - 8x + 6 = 0
-x^2 + 4x - 3 = 0