Use a Graphing Device to Find All Real Solutions of the Equation

question 89

Essay

Use a graphing device to find all real solutions of the equation $x ^ { 3 } - 5 x ^ { 2 } - 4 = 0$ .

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Definitions:

Cumulative Distribution Function

A statistical function that describes the probability of a random variable falling within a particular range of values.

Probability Distribution

A mathematical representation that defines the likelihood of obtaining the possible values that a random variable can assume.

Random Variable

A variable whose values depend on outcomes of a random phenomenon.

Bernoulli Distribution

A probability distribution that takes two possible outcomes, 1 (success) with probability p, and 0 (failure) with probability 1-p.