Quiz: Writing an Equation given Attributes (focus, directrix, vertex, or p-value) POSSIBLE POINTS 25
A parabola can be drawn given the vertex of (-2, 3) and the directrix of y = 4. Determine the missing characteristics
and the equation of the parabola.
1. P-value
2. Faces:
3. Focus: (
4. Equation: yu - t
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ASUS

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3/20

step-by-step explanation:

well, there are 20 outcomes, and 3 of them you want. so, 3/20

let's call the solutions x₁ = (5 - 2√7)/3 and x₂ = (5 + 2√7)/3

then the equation is (x-x₁)(x-x₂) = 0

if you fill that in you get a lot of numbers which you can recognize as ax²+bx+c=0.

step-by-step explanation:

you can see that a=1 (there is just an x²)

b = (-5 -2√7 + 2√7 - 5)/3 = -10/3

c = -2√7)/3 ) * (-5+2√7)/3) = -1/3

so your answer is 3x^2 – 10x – 1 = 0