Use Descartes' Rule of Signs to Determine the Possible Number

question 14

Multiple Choice

Use Descartes' Rule of Signs to determine the possible number of positive and negative zeros of .

• A) 1 positive real; 3 negative reals or 1 negative real
• B) no positive reals; no negative reals
• C) 1 positive real; 5 negative reals or 3 negative reals or 1 negative real
• D) 5 positive reals or 3 positive reals or 1 positive real; no negative reals
• E) 3 positive reals or 1 positive real; 3 negative reals or 1 negative real

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Definitions:

Interneurons

Neurons that transmit impulses between other neurons, especially as part of reflex arcs in the central nervous system.

Peripheral Nervous System

The part of the nervous system that consists of the nerves and ganglia outside of the brain and spinal cord.

Efferent Neurons

Neurons that carry messages away from the central nervous system to muscles and glands.

Sensory Neurons

Nerve cells responsible for converting external stimuli from the organism's environment into internal electrical impulses.