Standard Form
f(x)= a x2 b x c
Completed Square Form (Vertex Form)
f(x)= a ( x - h )2 + k
Discriminant = b2 - 4ac
Quadratic Equation Graph
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Step by step solution using Quadratic Formula

x1,2=b±b24ac2a

Step by step solution using Completing the Square Method

(m±n)2=m2±2mn+n2

Additional Information

Discriminant

b24ac

y-Intercept

The point where the quadratic curve cuts the y-axis

(0,c)

Vertex (Turning Point)

(b2a,b24a+c)

Equation of axis of symmetry

x=b2a

Minimum / Maximum Value

if a>0, quadratic curve will have minimum value and parabola opens up
if a<0, quadratic curve will have maximum value and parabola opens down

Minimum / Maximum value=b24a+c


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