Find the Standard Form of the Equation of the Parabola $( 9,8 )$

question 48

Multiple Choice

Find the standard form of the equation of the parabola.
-Vertex at $( 9,8 )$ , opens downward, focal width $= 2$

• A) \(( x - 9 ) ^ { 2 } = - 2 ( y - 8 )\)
• B) \(( x - 9 ) ^ { 2 } = - 0.5 ( y - 8 )\)
• C) \(( x - 9 ) ^ { 2 } = 2 ( y - 8 )\)
• D) \(( y - 8 ) ^ { 2 } = 2 ( x - 9 )\)

---

Definitions:

Spiral

A curve that winds around a fixed center point at a continuously increasing or decreasing distance from the point.

Spirogyra

A genus of filamentous green algae known for its spiral chloroplasts and its role in freshwater ecosystems.

Agar

Agar is a gelatinous substance derived from red algae that is used as a growth medium in microbiological work, as well as a thickener in food products.

Red Algae

Marine photosynthetic protists with a notable abundance of phycobilin pigments; includes coralline algae of coral reefs.