Express the Quadratic Function in Standard Form $f ( x ) = 2 x ^ { 2 } + 8 x + 9$

question 37

Multiple Choice

Express the quadratic function in standard form. $f ( x ) = 2 x ^ { 2 } + 8 x + 9$

• A) \(f ( x ) = 2 ( x + 2 ) ^ { 2 } + 9\)
• B) \(f ( x ) = ( x + 2 ) ^ { 2 } + 2\)
• C) \(f ( x ) = 2 ( x + 1 ) ^ { 2 } + 1\)
• D) \(f ( x ) = 2 ( x + 1 ) ^ { 2 } + 2\)
• E) none of these

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Definitions:

Frequency of Occurrence

The number of times an event or a value appears in a given dataset or period of time.

Large-sample Z Tests

Statistical tests used to determine if there are differences between the means of two samples when the sample size is large.

Chi-square Statistic

A statistic that measures the difference between observed counts and counts expected under a specific hypothesis, used in tests of independence and goodness-of-fit.

Binomial Proportions

The probabilities of outcomes for a binomial distribution, which describes the number of successes in a fixed number of binary experiments.