Find the Vertices and Locate the Foci for the Hyperbola $$\frac { y ^ { 2 } } { 100 } - \frac { x ^ { 2 } } { 121 } = 1$$

question 9

Multiple Choice

Find the vertices and locate the foci for the hyperbola whose equation is given.
- $$\frac { y ^ { 2 } } { 100 } - \frac { x ^ { 2 } } { 121 } = 1$$

• A) vertices: \(( 0 , - 10 ) , ( 0,10 )\)
• foci: \(( 0 , - \sqrt { 221 } ) , ( 0 , \sqrt { 221 } )\)
• B) vertices: \(( - 11,0 ) , ( 11,0 )\)
• foci: \(( - \sqrt { 221 } , 0 ) , ( \sqrt { 221 } , 0 )\)
• C) vertices: \(( 0 , - 10 ) , ( 0,10 )\)
• foci: \(( - \sqrt { 221 } , 0 ) , ( \sqrt { 221 } , 0 )\)
• D) vertices: \(( - 10,0 ) , ( 10,0 )\)
• foci: \(( - 11,0 ) , ( 11,0 )\)

Recognize the effects of price floors and price ceilings on consumer surplus.

Interpret graphical representations of changes in consumer surplus due to price changes.

Identify the impact of income changes on consumer surplus for normal and inferior goods.

Understand the concept of producer surplus and how market conditions influence it.

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