One Root of the Equation Is Given $x ^ { 3 } - 9 x ^ { 2 } + 28 x - 40 = 0 ; x = 2 + 2 i$

question 22

Multiple Choice

One root of the equation is given. Determine the remaining roots. $x ^ { 3 } - 9 x ^ { 2 } + 28 x - 40 = 0 ; x = 2 + 2 i$

• A) \(x = 2 + 2 i , 4\)
• B) \(x = 2 - 2 i , - 5\)
• C) \(x = 2 + 2 i , - 5\)
• D) \(x = 2 - 2 i , 5\)
• E) \(x = 2 + 2 i , 9\)

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Definitions:

Perfectly Elastic

This term refers to a situation in demand or supply where the quantity demanded or supplied responds infinitely at a particular price level.

Excise Tax

A type of tax imposed on specific goods, services, or transactions, often with the intent of discouraging their use or consumption, or to raise revenue.

Downward-Sloping

A term typically used in economics to describe a curve or line on a graph that represents a decrease in one variable as another variable increases, often used to describe demand curves.

Excise Tax

A specific tax levied on the sale of a particular good or service, typically to discourage its consumption or to raise revenue.