Y = −1 / 4 (x + 4) 2 −1 on a coordinate plane using its vertex, focus, and directrix.
1 answer:
Answer:
Hello,
Step-by-step explanation:
do I remind you of the formula :
where (a,b) is the vertex and y=k the directrix
Focus=(-4,-2)
Directrix: y=0
Vertex=(-4,-1)
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