Question 1044568
(A)
Factorize and then complete the square to put into standard form.


(B)
Perfect square, so just factorize and now standard form.


Vertex and x-axis intercepts will be straightforward.


f(x)=4x^2+16x
{{{graph(300,300,-11,6,-16,1,4x^2+16x)}}}



f(x)=x^2+10x+25
{{{graph(300,300,-9,3,-2,10,x^2+10x+25)}}}