Use the Discriminant to Determine the Number and Type of Solutions

question 87

Multiple Choice

Use the discriminant to determine the number and type of solutions of the equation.
- $$5 x ^ { 2 } = - 2 x - 8$$

• A) One real solution
• B) Two complex but not real solutions
• C) Two real solutions

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Definitions:

Motor Tasks

Activities that require movement and coordination of muscles and limbs.

Amygdala

A part of the brain located in the temporal lobe, involved in emotion regulation, memory processing, and decision-making, particularly with responses to fear and pleasure.

Cerebral Cortex

A collection of several thin layers of cells covering the cerebrum; it is largely responsible for higher mental functions. Cortex is Latin for “bark” or “rind.”

Medulla

A structure in the brain stem responsible for certain automatic functions, such as breathing and heart rate.