Write the Expression in the Standard Form a + Bi

question 113

Multiple Choice

Write the expression in the standard form a + bi.
-(9 + 3i) (9 - 3i)

• A)90
• C)72
• D)81 - 9i

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Definitions:

Stem Cells

Undifferentiated cells capable of giving rise to various other types of cells with specific functions.

Motor Neurons

Nerve cells that transmit signals from the brain and spinal cord to muscles, facilitating movement.

Sensory Neurons

Neurons that transmit sensory information from the body to the central nervous system, allowing for perceptions like sight, sound, and touch.

Endocrine System

A network of glands in the body that produce and release hormones directly into the bloodstream to regulate various bodily functions.