# How do you find the focus of the parabola with directrix y=1 and vertex (1,2)?

##### 1 Answer

Aug 25, 2017

#### Explanation:

#"the focus is the same distance from the vertex as the"#

#"directrix is from the vertex but on the other side"#

#"from the directrix"#

#"the distance p from the directrix "=2-1=1#

#rArr"focus at "(1,2+p)=(1,2+1)=(1,3)#