​Solve the System of Linear Equations $$\left\{ \begin{array} { l } 4 x + 4 y = 3 \\8 x - 20 y = - 9\end{array} \right.$$

question 12

Multiple Choice

​Solve the system of linear equations $$\left\{ \begin{array} { l } 4 x + 4 y = 3 \\8 x - 20 y = - 9\end{array} \right.$$ using an inverse matrix.

• A)​ \[\left[ \begin{array} { l }
• x \\
• y
• \end{array} \right] = \left[ \begin{array} { l }
• \frac { 3 } { 14 } \\\\
• \frac { 15 } { 28 }
• \end{array} \right]\]
• B)​ \[\left[ \begin{array} { l }
• x \\
• y
• \end{array} \right] = \left[ \begin{array} { l }
• \frac { 9 } { 28 } \\\\
• \frac { 12 } { 7 }
• \end{array} \right]\]
• C)​ \[\left[ \begin{array} { l }
• x \\
• y
• \end{array} \right] = \left[ \begin{array} { c }
• \frac { 9 } { 28 } \\\\
• \frac { - 3 } { 14 }
• \end{array} \right]\]
• D)​ \[\left[ \begin{array} { l }
• x \\
• y
• \end{array} \right] = \left[ \begin{array} { c }
• \frac { 9 } { 7 } \\\\
• \frac { 15 } { 28 }
• \end{array} \right]\]
• E)​ \[\left[ \begin{array} { l }
• x \\
• y
• \end{array} \right] = \left[ \begin{array} { c }
• \frac { - 9 } { 7 } \\\\
• \frac { - 3 } { 14 }
• \end{array} \right]\]

Differentiate between types of innovation: product, process, and managerial.

Recognize the factors that influence the diffusion of innovations, including their complexity and compatibility with existing practices.

Understand the role of visibility and trialability in enhancing the diffusion of innovations.

Grasp the impact of organizational culture and worker demographics on the diffusion of innovation.

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Definitions:

Ratio

A ratio is a quantitative relationship between two numbers showing the number of times one value contains or is contained within the other.

Ratio

A ratio represents a quantitative relationship between two or more numbers, showing how many times one value contains or is contained within the other.

Ratio

A mathematical term describing the quantitative relation between two amounts, showing the number of times one value contains or is contained within the other.

Equivalent Ratio

A proportion between two sets of quantities indicating their equality in value or function.