Use the Graph to Determine the Equation of the Circle $( x + 1 ) ^ { 2 } + ( y - 1 ) ^ { 2 } = 9$

question 209

Multiple Choice

Use the graph to determine the equation of the circle in center-radius form.
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• A) \(( x + 1 ) ^ { 2 } + ( y - 1 ) ^ { 2 } = 9\)
• B) \(( x - 1 ) ^ { 2 } + ( y + 1 ) ^ { 2 } = 9\)
• C) \(( x - 1 ) ^ { 2 } + ( y + 1 ) ^ { 2 } = 3\)
• D) \(( x + 1 ) ^ { 2 } + ( y - 1 ) ^ { 2 } = 3\)

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Definitions:

Type I Error

The incorrect rejection of a true null hypothesis, or "false positive," often denoted by alpha (α).

Statistical Significance

A measure of whether observed data can be considered as not being the result of chance, typically through the use of a p-value.

Dependent-Samples T-Test

A statistical procedure used to compare means from the same group at two different times or under two different conditions.

Regression

A statistical method that models the relationship between a dependent variable and one or more independent variables, predicting the former based on the latter.