Use the Discriminant to Determine What Type of Solutions Exist

question 29

Multiple Choice

Use the discriminant to determine what type of solutions exist for the quadratic equation. Do not solve the equation.

• A) rational, equal
• B) irrational, unequal
• C) irrational, equal
• D) nonreal complex numbers, complex conjugates
• E) rational, unequal

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Definitions:

Null Hypothesis

A statement used in statistics that proposes there is no significant effect or difference present between specified populations or factors.

Test Statistic

A numerical value calculated from a statistical test's data, used to determine whether to reject the null hypothesis.

Degrees Of Freedom

The number of independent values or quantities that can vary in the analysis without violating any constraints.

Significance Level

The probability threshold below which the null hypothesis is rejected in a statistical test, often denoted by alpha (α).