Directrix

[Ryan Rigdon]

i am still new to finding directrix can someone show how to get it for this problem please. here is what i have so far.

 

[Deleted member 4993]

i am still new to finding directrix can someone show how to get it for this problem please. here is what i have so far.

Make google your friend. For a quick refresher, go to:

http://mathworld.wolfram.com/ConicSectionDirectrix.html

 

[Ryan Rigdon]

sorry peeps but i am still lost.

 

[Deleted member 4993]

sorry peeps but i am still lost.

Plot (sketch) the function first. Then compare it with the sketches in the Wolfram site.

Just saying you are lost does not help me to help you....

 

[Ryan Rigdon]

finally got it. thanx