draw a perpendicular line from the directrix passing through the focus, this will be the line of symmetry.
The vertex(h, k) will be located on the line half way between the focus and directrix.
The distance from the focus to the vertex is called the focal length, call it a. The then equation is
(x - h)^2 = 4a(y - k)
the equation can be manipulated to
y = 1/4a(x - h)^2 + k
hope it helps
Rise and run: -2/4
Slope: -1/2
3.5x8 = 28 grams have a good day
Answer:
A
Step-by-step explanation:
The answer should be A. If you rotate it around point A the rectangle would be up right on the x axis
