Understanding Quadratic Functions

Front

Quadratic function standard form

Back

ax^2 + bx + c = 0

Front

Parabola

Back

Graph of a quadratic function

Front

Vertex form

Back

a(x-h)^2 + k

Front

Axis of symmetry

Back

x = -\frac{b}{2a}

Front

Vertex of parabola

Back

Point (h, k) in vertex form

Front

Discriminant

Back

b^2 - 4ac

Front

Roots of quadratic

Back

Solutions to ax^2 + bx + c = 0

Front

Factored form

Back

a(x - r_1)(x - r_2)

Front

Completing the square

Back

Method to solve quadratics

Front

Quadratic formula

Back

x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}