7
QuizMultiple Choice
Conic Sections: Parabolas
Question 7 • TX-Pre-Calculus
What are the vertex, focus, and directrix of the parabola with the equation ?
Answer
A
vertex (4, –3); focus (4, –4); directrix y = –2B
vertex (–4, 3); focus (–4, –1); directrix y = 7C
vertex (4, –3); focus (4, –7); directrix y = 1D
vertex (–4, 3); focus (–4, 2); directrix y = 4