61.0k views
4 votes
What is the directrix of the parabola? (y+4)2=4(x−2)

User Esvendsen
by
5.3k points

2 Answers

5 votes

Answer:

the answer is 1

Explanation:

User Sirio
by
5.0k points
3 votes

Answer:

x=1

Explanation:

for y²=4ax

directrix is x=-a

for y²=4x ,directrix is x=-1

for y²=4(x-2), shift directrix 2 units right.

so directrix is x=-1+2=1

so for (y+4)²=4(x-2) directrix is x=1

User Milosgajdos
by
5.2k points