Find the Center, Vertices and Foci of the Hyperbola $$\frac { x ^ { 2 } } { 81 } - \frac { y ^ { 2 } } { 64 } = 1$$

question 6

Multiple Choice

Find the center, vertices and foci of the hyperbola. $$\frac { x ^ { 2 } } { 81 } - \frac { y ^ { 2 } } { 64 } = 1$$

• A) Center: \(( 64,81 )\)
• Vertices: \(( \pm 8,0 )\)
• Foci: \(( \pm \sqrt { 145 } , 0 )\)
• B) Center: \(( 0,0 )\)
• Vertices: \(( 0 , \pm 8 )\)
• Foci: \(( 0 , \pm \sqrt { 145 } )\)
• C) Center: \(( 0,0 )\)
• Vertices: \(( \pm 8,0 )\)
• Foci: \(( \pm \sqrt { 145 } , 0 )\)
• D) Center: \(( 64,81 )\)
• Vertices: \(( \pm 9,0 )\)
• Foci: \(( \pm \sqrt { 145 } , 0 )\)
• E) Center: \(( 0,0 )\)
• Vertices: \(( \pm 9,0 )\)
• Foci: \(( \pm \sqrt { 145 } , 0 )\)

---

Definitions:

Inventory Purchases

The total cost of goods bought for resale during a specific financial period.

Cost of Goods Sold

Expenses specifically associated with the production of a company's sold products, such as materials and labor.

Ending Inventory

The total value of a company's merchandise, raw materials, and finished and unfinished products which have not yet been sold, at the end of an accounting period.