Question 753263
Write the following equation in standard form, then identify the type of conic and graph:
x^2+20x-4y+100=0
complete the square:
(x^2+20x+100)-100-4y+100=0
(x+10)^2-4y=0
(x+10)^2=4y
This is an equation of a parabola with vertex at (-10,0)
see graph below:

{{{ graph( 300, 300, -20, 5, -10, 10, (x+10)^2/4) }}}