MATH
posted by Vince .
What is the equation of the parabola with a directrix at y = 4 and focus (0, 4).
Respond to this Question
Similar Questions

Pre Cal
write the equations of the parabola, the directrix, and the axis of symmetry. vertex: (4,2) focus: (4,6) if someone could explain how to do this problem then that would be great! thanks in advance! Formats to help you find the equation … 
Algebra
Can someone tell me if I am right? I need to find the equation of a parabola. I am not sure if this is the correct way or if I have the correct answer. Vertex at origin, focus is at (0,3) Equation of parabola vertex (0,0) focus (0,3) 
math
determine vertex, focus and directrix of parabola. then graph the parabola. first equation: y^2 2x8=0 second equation: y^2 4y 12x= 8 
Math
determine vertex, focus and directrix of parabola. then graph the parabola. first equation: y^2 2x8=0 second equation: y^2 4y 12x= 8 please show your work! 
Math
determine vertex, focus and directrix of parabola. then graph the parabola. second equation: y^2 4y 12x= 8 
algebra
6. Find the equation of each parabola described below. a) parabola with vertex (0,0) and the focus (0,7) b) parabola with focus (3,0) and directrix x=3 c) parabola with vertex (3,3) and directrix x=1 d) parabola with focus (2,1) … 
maths
Given that the equation of the parabola is 5y^2 + 24x = 0. Find (1)The Axis and vertex of the parabola (ii)The focus and the directrix (iii)The distance from the directrix to the focus 
Algebra 2
The focus of the parabola is (1, 9/4), and the directrix is the line y = 7/4. Show that the point (2,3) on the parabola is the same distance from the focus as from the directrix. 
precallcuslus
can you check my work and explain the last question because I do not uderstand. Explain what each of the following represents, and how y = a(x  h)2 + k, a ≠ 0 and (x  h)2 = 4p(y  k), p ≠ 0 are equivalent. The equation (x  h)2 … 
Algebra2
Write an equation of a parabola with a vertex at the origin and a directrix at y=5. my answer is focus 6,0, directrix =6