Use a Graphing Calculator to Express Solutions with Approximations to the Nearest

question 86

Multiple Choice

Use a graphing calculator to Express solutions with approximations to the nearest thousandth.
- $$\begin{array} { l } x - y + 2 z = 4 \\5 x + z = 0 \\x + 3 y + z = - 12\end{array}$$

• A) \(\varnothing\)
• B) \(\{ ( 0 , - 4,4 ) \}\)
• C) \(\{ ( 0 , - 4,0 ) \}\)
• D) \(\{ ( 0,0 , - 4 ) \}\)

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Definitions:

P-Value

A statistical measure that helps scientists determine the significance of their research results.

Retention Rate

A metric usually used to measure the percentage of individuals or employees who remain engaged with an institution, company, or program over a given period.

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A sample drawn in such a way that every member of the population has an equal chance of being selected.

Null Hypothesis

A statement used in statistical testing, which proposes that no significant difference exists between certain characteristics of a population.