Evaluate the Discriminant for the Equation $8 y ^ { 2 } = - 7 y - 7$

question 392

Multiple Choice

Evaluate the discriminant for the equation. Then use it to predict the number of distinct solutions, and whether they are
rational, irrational, or nonreal complex.
- $8 y ^ { 2 } = - 7 y - 7$

• A) Two distinct irrational solutions
• B) Two distinct rational solutions
• C) One rational solution (a double solution)
• D) Two distinct nonreal complex solutions

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Definitions:

Confidence Interval

A group of values, culled from sample statistical analysis, expected to cover the value of an unknown population parameter.

Sample Mean

The average value of a set of observations drawn from a population, used as an estimate of the population mean.

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The number or collection of compact discs (audio, data storage, or software) that an individual possesses.

Kilograms

A metric unit of mass equal to one thousand grams, commonly used to measure weight.