Solve the System by Using the Inverse of the Coefficient $$\begin{array} { l } - 5 x _ { 1 } + 3 x _ { 2 } = 8 \\- 2 x _ { 1 } + 4 x _ { 2 } = 20\end{array}$$

question 63

Multiple Choice

Solve the system by using the inverse of the coefficient matrix.
- $$\begin{array} { l } - 5 x _ { 1 } + 3 x _ { 2 } = 8 \\- 2 x _ { 1 } + 4 x _ { 2 } = 20\end{array}$$

• A) \(( 2,6 )\)
• B) \(( - 2 , - 6 )\)
• C) \(( - 6 , - 2 )\)
• D) \(( 6,2 )\)

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Definitions:

Formed Elements

Cellular components of blood, including red blood cells, white blood cells, and platelets, that are suspended in plasma.

Plasma

The liquid component of blood, in which blood cells are suspended, comprising about 55% of total blood volume.

Clumping Together

The process by which particles or objects gather or aggregate into a mass or group.

Blood Cells

Cells that circulate in the blood, integral for transporting oxygen, fighting infections, and performing other vital functions; include red blood cells, white blood cells, and platelets.