Solve the Equation and Check $\frac { 7 } { 2 x } + 15 \frac { 1 } { 2 } = \frac { 7 } { x } - 9$

question 180

Multiple Choice

Solve the equation and check. $\frac { 7 } { 2 x } + 15 \frac { 1 } { 2 } = \frac { 7 } { x } - 9$

• A) \(x = \frac { 1 } { 7 }\)
• B) \(x = \frac { 1 } { 8 }\)
• C) \(x = \frac { 1 } { 10 }\)
• D) \(x = \frac { 1 } { 11 }\)
• E) \(x = \frac { 1 } { 9 }\)

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Definitions:

Elastic

A term that describes the sensitivity of the demand for a good or service to a change in its price, with "elastic" demand being significantly responsive to price changes.

Least Elastic

Describes a situation where there is the smallest responsiveness of the quantity demanded or supplied to changes in price, typically associated with goods and services for which there are no close substitutes.

Price Sensitive

A term describing how the demand for a product changes in response to price changes; consumers are highly reactive to changes in price.

Elastic Demand

A situation in which the demand for a product or service significantly changes in response to a change in its price.