how do you find the equation for the parabola with focus at (-11,4) and vertex at (-6,4)?
P pleasehelp989 New member Joined May 23, 2006 Messages 3 May 23, 2006 #1 how do you find the equation for the parabola with focus at (-11,4) and vertex at (-6,4)?
stapel Super Moderator Staff member Joined Feb 4, 2004 Messages 16,582 May 23, 2006 #2 What formulas have they given you to work with? How far have you gotten with them? Thank you. Eliz.
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,339 May 24, 2006 #3 pleasehelp989 said: how do you find the equation for the parabola with focus at (-11,4) and vertex at (-6,4)? Click to expand... Very important is for you to know that these two clues lead directly to a third. The Directrix is x = -1 Why is that?
pleasehelp989 said: how do you find the equation for the parabola with focus at (-11,4) and vertex at (-6,4)? Click to expand... Very important is for you to know that these two clues lead directly to a third. The Directrix is x = -1 Why is that?