Write the Word or Phrase That Best Completes Each Statement $( x - h ) ^ { 2 } = 4 p ( y - k )$

Short Answer

Write the word or phrase that best completes each statement or answers the question.
Provide the missing information.
-Given $( x - h ) ^ { 2 } = 4 p ( y - k )$ ), the ordered pairs representing the vertex and focus are________ and________, respectively. The directrix is the line defined by the equation________ .