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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.
-Vertices at (0, 6) and (0, -6) ; foci at (0, 9) and (0, -9)
Groundwater Move
The process by which groundwater travels through the pore spaces or fractures in soil and rock formations.
Centimeters Per Day
A unit of measurement indicating the rate of change or movement per day, often used in contexts such as the growth rate of plants or the speed of glacier movement.
Porosity
The measure of void spaces in a material, indicating its ability to hold fluids.
Unfractured Granite
Unbroken or intact granite rock, typically characterized by its hard, coarse-grained structure without significant cracks or breaks.
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