Use the Given Row Transformation to Change the Matrix as Indicated

question 19

Multiple Choice

Use the given row transformation to change the matrix as indicated.
- $\left[ \begin{array} { c c } - 2 & 3 \\ 14 & 0 \end{array} \right] ; 7$ times row 1 added to row 2

• A)
• \(\left[ \begin{array} { r r } - 14 & 21 \\ 14 & 0 \end{array} \right]\)
• B)
• \(\left[\begin{array}{rr}
• -2 & 3 \\
• 0 & 21
• \end{array}\right]\)
• C)
• \(\left[\begin{array}{rr}
• -2 & -11 \\
• 0 & 21
• \end{array}\right]\)
• D)
• \(\left[\begin{array}{rr}
• -2 & 3 \\
• 14 & 21
• \end{array}\right]\)

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Definitions:

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect in a particular test, used as a starting point for experimentation.

Alternative Hypothesis

A hypothesis that suggests there is a difference between two or more sets of data, contrasting the null hypothesis.

Average

The numerical value obtained by dividing the sum of all values in a set by the number of values in the set.

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