Algebra2D

Quadratic Equations - Theory & Concepts - Discriminant Explorer

Methods for solving quadratic equations including factoring, completing the square, and the quadratic formula.

y = x^2 - 2x - 3

Coefficient a1.0

Coefficient b-2.0

Coefficient c-3

D = b^2 - 4ac

D = (-2)^2 - 4(1)(-3) = 16.0

2 Distinct Real Roots $(D > 0)$

Crosses the x-axis twice:

x_1 = 3.00, \quad x_2 = -1.00

y = ax^2 + bx + c

Real Roots

Vertex

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