y=a(x-h)2+k
Vertex
Form
Complete the
square
Identifies the vertex
& tells the nature of
the graph
Second
Degree
y=a(x − r1)(x − r2)
where r1 , r2 are
real numbers
Polynomials
Factored
Form
Use the quadratic
formula or factor
Identifies the
roots/solutions
Standard
Form
y=ax2+bx+c
Identifies the
y-intercept