Quadratic Equations Essentials

Front

Standard form

Back

ax^2 + bx + c = 0

Front

Quadratic term

Back

ax^2

Front

Linear term

Back

bx

Front

Constant term

Back

c

Front

Discriminant formula

Back

b^2 - 4ac

Front

Discriminant > 0

Back

Two real roots

Front

Discriminant = 0

Back

One real root

Front

Discriminant < 0

Back

No real roots

Front

Vertex form

Back

a(x-h)^2 + k

Front

Axis of symmetry

Back

x = -b/2a