Step-by-step explanation:

It is D parabola because in a double right circular cone the vertex is in the middle of two opposite cones and cutting through the vertex is making parabola.
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|–2x| = -6
=> 2x = 6
=> x = 3
and,
=> 2x = -6
=> x = -3.
Two points, one at negative 3 and one at 3.
Answer:
HJ is 8
JE is 4
Step-by-step explanation:
Nice song in the other tab by the way:)