Perform the Operation $a + b i$ Form $( 9 - 4 i ) - ( 3 + 6 i )$

question 5

Multiple Choice

Perform the operation. Write the answer in $a + b i$ form. $( 9 - 4 i ) - ( 3 + 6 i )$

• A) \(6 + 10 i\)
• B) \(6 - 10 i\)
• C) \(6 i - 10\)
• D) \(6 i + 10\)

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Definitions:

Preoperational Stage

A stage in Jean Piaget's developmental theory of childhood, from about ages 2 to 7, where children begin to engage in symbolic play but lack the ability to perform operations or think logically.

Represent Another

A phrase that suggests acting on behalf of or symbolizing someone or something else.

Reversibility

The cognitive ability to recognize that numbers or objects can be changed and then returned back to their original condition.

Nonstage Theory

A theory suggesting that development or cognition does not progress through fixed stages, but rather continuously.