Find the Center and the Vertices Which Located on the Major

question 42

Multiple Choice

Find the center and the vertices which located on the major axis of the ellipse. $81 x ^ { 2 } + y ^ { 2 } = 81$

• A)center: (0,0)vertices: (-9,0), (9,0)
• B)center: (0,0)vertices: (0,-9), (0,9)
• C)center: (-9,9)vertices: (-1,0), (1,0)
• D)center: (0,0)vertices: (-9,-1), (9,1)
• E)center: (-9,9)vertices: (-1,-9), (1,9)

---

Definitions:

Biological Magnification

The increasing concentration of toxic substances within each successive link in the food chain.

Organophosphates

A group of chemical compounds used as insecticides, which can be toxic to animals and humans if exposure occurs.

Chlorinated Hydrocarbons

Organic compounds containing chlorine, often used in industrial applications, but can be environmental pollutants.

Co-evolution

is the process by which two or more species reciprocally affect each other's evolution over time.